Sekonic SPEEDMASTER L-858D User manual

4.Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your nger to select a desired menu or item.
Slide operations
Slide a nger up or down on the setting value
areas at any time to change setting values.
Scroll bars
Slide the vertical or horizontal scroll bars to view
a different part of the screen.
Radio button operations
Radio buttons are displayed
when you can only select one
item. Touch a desired item to
select.
Check box operations
Check boxes are displayed when multiple
selections are available.
Touch a desired item(s) to select.
Touch operations
Touch each icon to change the display to a
desired screen.
Setting value increases when is touched.
Setting value decreases when is touched.
[Screen For Selecting LCD
Backlight Brightness]
[Flash Mode
screen]
[Ambient Mode
screen]
Scroll bars
[Measuring screen]
Item selected Items selectedItems not selected Item not selected
1.Check Included Items
The following items are included with the meter in the package.
Please be sure to check that all noted items are included.
* If any items are missing, please contact the distributor or the reseller you
purchased the meter from.
* The USB cable (that has the A connector and Micro-B connector) is not
included in the package. Please obtain this separately.
* Batteries (two AA, Alkaline and manganese batteries are recommended)
are not included in the package. Please obtain these separately.
Meter
Startup Guide
(this document)
Strap Lens Cap
(Installed on the meter)
Soft Case
Anti-glare Sheet
for LCD Screen
Safety
Precaution
Safety Precaution
For Proper Operation
Before using this product, please read this "Safety Precautions" for
proper operation.
WARNING
The WARNING symbol indicates the
possibility of death or serious injury if the
product is not used properly.
CAUTION
The CAUTION symbol indicates the
possibility of minor to moderate personal
injury or product damage if the product is
not used properly.
NOTICE
The NOTICE symbol indicates cautions
or restrictions when using the product.
Please read all notes to avoid errors in
operation.
General Safety Information
• Read the Operating Manual before use.
• Keep the Operating Manual on hand for reference at any
time.
• Stop using this product when there are any abnormalities.
• The modication or disassembly of this product is prohibited.
• Do not attempt to repair this product by yourself.
• This product is intended only for persons with expert
knowledge.
• Monitor children so that they do not touch this product.
• Use this product in a usage environment described in the
Operating Manual.
• This product is not waterproof.
WARNING
There is a danger of electrical shock when using high
voltage strobes.
Avoid contacting the terminals.
This product emits electromagnetic waves.
Do not bring this product close to persons with
pacemakers.
Do not use this product in an explosive atmosphere.
Use of devices emitting electromagnetic waves is
prohibited in hospitals.
CAUTION
• Check the material of the neck strap to see if there is any
risk of allergy.
• Be careful of sudden emission of lights from strobes.
NOTICE
• Do not leave this product on car dashboards in hot weather.
This may damage the product.
• Remove the batteries when this product is not in use for a
long period of time.
• When the desired performance is not achieved, stop using
this product and contact the service center.
Information for Users on Collection and
Disposal of Old Equipment
Toprotect environment, do not through this device
and batteries away with the normal household waste
at the end of those life, but bring them in at an
ofcial collection point of your country for recycling.
English
2.Names of Parts
The following is a list of names of buttons and parts on the meter.
* The function of the Measuring button 6and Memory button 7can be
interchanged using the Custom Setting function.
[Bottom (rear) view,
battery cover]
[Rear view][Front view]
Tabs (Three)
Retracted
mark
Extended
mark
[Lumisphere (Switchover
between Extended/Retracted)]
2Lumisphere
1
Lumisphere retracting ring
6Measuring button*
3Objective lens
4 Viewnder eyepiece
(with diopter adjustment)
5 Power button
7Memory button*
0USB connector
aUSB connector cover
bSynchro terminal
cSynchro terminal cover
dBattery cover
eBattery cover latch
fStrap eyelet
8Touch panel LCD
9
Menu button <<MENU>>
gTripod socket hole
jBattery
compartment i
Transmitter connector cover
hTransmitter
(sold separately)
compartment
3.Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the meter.
The Startup screen appears on the LCD for 1 second.
Then the settings for the Measuring button (MEASURE) and Memory
button (MEMORY) are displayed on the Measuring screen for 2 seconds.
To turn the power off, press and hold down the Power button for at least 1
second.
The meter power turns off after the display disappears.
Please wait 3 seconds between repeated power on and power off sessions.
NOTICE
●The blue lettered "SEKONIC" logo
screen is displayed after battery
replacement and 24 hours after
power OFF.
●Movement of the blue status bar
indicates that the meter is checking
its memory and preparing to operate.
Do not turn the power OFF. Otherwise,
the meter may be damaged.
* By touching the Startup screen, you can
immediately skip the screen.
[Measuring screen] [Startup screen]
Power button 5
Memory button 7
Measuring button 6
7.Select Measuring Mode
Different measuring modes can be selected to meet various
requirements.
* In the custom setting, you can select whether to display or hide the
measuring modes. Content to be displayed differs depending on which
transmitter (sold separately) is installed.
<Ambient Mode>
No. Description of mode
1Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO
values.
2Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4Ambient light HD Cine mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5Ambient light Cine mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6
Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m
2
or ) mode (Reected light measurement)
Displays brightness value in cd/m2or foot-lambert unit.
1[Ambient Light T Priority Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Measured
values
1
2
3
4
5
6
6.Measuring Preparations
The mode and other settings required to make a
measurement can be selected from the Measuring screen.
For information on how to switch the display to each
screen, see the relevant item.
* When another
function has been
assigned by using
the custom setting,
select Incident/Spot
from Tool Box.
[Measuring Mode
Selection screen]
[Select Incident/Spot
screen]
[Menu screen]
[Tool Box screen]
Settings
[Meter]
(Measuring screen)
5.Input Numbers or Characters
How to input a numerical value
(Numeric Number Input screen)
No. Key Description
10-9,
Decimal point,
Sign (+/-)
Inputs a numeric value.
When touched, the input
value is displayed at the top of
screen.
2DEL
Deletes the input value.
3OK
Applies the input value, and
returns to the previous screen.
4Cancel
Cancels the input value, and
returns to the previous screen.
How to input characters and numbers
(Character Input screen)
No. Key Description
1
■
The cursor indicates the position
at which to enter a character.
2
ABC, abc,
0-9,
Decimal point,
Space,
Hyphen
When touched, the input
value is displayed at the top of
screen. Repeated touching of
the same button for alphabet
(ABC/abc) will change the
alphabet character in order.
31/A/a
Switches between numbers,
upper-case characters, and
lower-case characters.
4← →
Moves the input position.
5DEL
Deletes the input value.
6OK
Applies the input value, and
returns to the previous screen.
7Cancel
Cancels the input value, and
returns to the previous screen.
[Upper Case
Input screen]
[Numeric Value
Input screen]
[Lower Case
Input screen]
1
3
2
4
1
2
3 76
5
4
2

4.Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your nger to select a desired menu or item.
Slide operations
Slide a nger up or down on the setting value
areas at any time to change setting values.
Scroll bars
Slide the vertical or horizontal scroll bars to view
a different part of the screen.
Radio button operations
Radio buttons are displayed
when you can only select one
item. Touch a desired item to
select.
Check box operations
Check boxes are displayed when multiple
selections are available.
Touch a desired item(s) to select.
Touch operations
Touch each icon to change the display to a
desired screen.
Setting value increases when is touched.
Setting value decreases when is touched.
[Screen For Selecting LCD
Backlight Brightness]
[Flash Mode
screen]
[Ambient Mode
screen]
Scroll bars
[Measuring screen]
Item selected Items selectedItems not selected Item not selected
1.Check Included Items
The following items are included with the meter in the package.
Please be sure to check that all noted items are included.
* If any items are missing, please contact the distributor or the reseller you
purchased the meter from.
* The USB cable (that has the A connector and Micro-B connector) is not
included in the package. Please obtain this separately.
* Batteries (two AA, Alkaline and manganese batteries are recommended)
are not included in the package. Please obtain these separately.
Meter
Startup Guide
(this document)
Strap Lens Cap
(Installed on the meter)
Soft Case
Anti-glare Sheet
for LCD Screen
Safety
Precaution
Safety Precaution
For Proper Operation
Before using this product, please read this "Safety Precautions" for
proper operation.
WARNING
The WARNING symbol indicates the
possibility of death or serious injury if the
product is not used properly.
CAUTION
The CAUTION symbol indicates the
possibility of minor to moderate personal
injury or product damage if the product is
not used properly.
NOTICE
The NOTICE symbol indicates cautions
or restrictions when using the product.
Please read all notes to avoid errors in
operation.
General Safety Information
• Read the Operating Manual before use.
• Keep the Operating Manual on hand for reference at any
time.
• Stop using this product when there are any abnormalities.
• The modication or disassembly of this product is prohibited.
• Do not attempt to repair this product by yourself.
• This product is intended only for persons with expert
knowledge.
• Monitor children so that they do not touch this product.
• Use this product in a usage environment described in the
Operating Manual.
• This product is not waterproof.
WARNING
There is a danger of electrical shock when using high
voltage strobes.
Avoid contacting the terminals.
This product emits electromagnetic waves.
Do not bring this product close to persons with
pacemakers.
Do not use this product in an explosive atmosphere.
Use of devices emitting electromagnetic waves is
prohibited in hospitals.
CAUTION
• Check the material of the neck strap to see if there is any
risk of allergy.
• Be careful of sudden emission of lights from strobes.
NOTICE
• Do not leave this product on car dashboards in hot weather.
This may damage the product.
• Remove the batteries when this product is not in use for a
long period of time.
• When the desired performance is not achieved, stop using
this product and contact the service center.
Information for Users on Collection and
Disposal of Old Equipment
To protect environment, do not through this device
and batteries away with the normal household waste
at the end of those life, but bring them in at an
ofcial collection point of your country for recycling.
English
2.Names of Parts
The following is a list of names of buttons and parts on the meter.
* The function of the Measuring button 6and Memory button 7can be
interchanged using the Custom Setting function.
[Bottom (rear) view,
battery cover]
[Rear view][Front view]
Tabs (Three)
Retracted
mark
Extended
mark
[Lumisphere (Switchover
between Extended/Retracted)]
2Lumisphere
1
Lumisphere retracting ring
6Measuring button*
3Objective lens
4 Viewnder eyepiece
(with diopter adjustment)
5 Power button
7Memory button*
0USB connector
aUSB connector cover
bSynchro terminal
cSynchro terminal cover
dBattery cover
eBattery cover latch
fStrap eyelet
8Touch panel LCD
9
Menu button <<MENU>>
gTripod socket hole
jBattery
compartment i
Transmitter connector cover
hTransmitter
(sold separately)
compartment
3.Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the meter.
The Startup screen appears on the LCD for 1 second.
Then the settings for the Measuring button (MEASURE) and Memory
button (MEMORY) are displayed on the Measuring screen for 2 seconds.
To turn the power off, press and hold down the Power button for at least 1
second.
The meter power turns off after the display disappears.
Please wait 3 seconds between repeated power on and power off sessions.
NOTICE
●The blue lettered "SEKONIC" logo
screen is displayed after battery
replacement and 24 hours after
power OFF.
●Movement of the blue status bar
indicates that the meter is checking
its memory and preparing to operate.
Do not turn the power OFF. Otherwise,
the meter may be damaged.
* By touching the Startup screen, you can
immediately skip the screen.
[Measuring screen] [Startup screen]
Power button 5
Memory button 7
Measuring button 6
7.Select Measuring Mode
Different measuring modes can be selected to meet various
requirements.
* In the custom setting, you can select whether to display or hide the
measuring modes. Content to be displayed differs depending on which
transmitter (sold separately) is installed.
<Ambient Mode>
No. Description of mode
1Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO
values.
2Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4Ambient light HD Cine mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5Ambient light Cine mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6
Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m
2
or ) mode (Reected light measurement)
Displays brightness value in cd/m2or foot-lambert unit.
1[Ambient Light T Priority Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Measured
values
1
2
3
4
5
6
6.Measuring Preparations
The mode and other settings required to make a
measurement can be selected from the Measuring screen.
For information on how to switch the display to each
screen, see the relevant item.
* When another
function has been
assigned by using
the custom setting,
select Incident/Spot
from Tool Box.
[Measuring Mode
Selection screen]
[Select Incident/Spot
screen]
[Menu screen]
[Tool Box screen]
Settings
[Meter]
(Measuring screen)
5.Input Numbers or Characters
How to input a numerical value
(Numeric Number Input screen)
No. Key Description
10-9,
Decimal point,
Sign (+/-)
Inputs a numeric value.
When touched, the input
value is displayed at the top of
screen.
2DEL
Deletes the input value.
3OK
Applies the input value, and
returns to the previous screen.
4Cancel
Cancels the input value, and
returns to the previous screen.
How to input characters and numbers
(Character Input screen)
No. Key Description
1
■
The cursor indicates the position
at which to enter a character.
2
ABC, abc,
0-9,
Decimal point,
Space,
Hyphen
When touched, the input
value is displayed at the top of
screen. Repeated touching of
the same button for alphabet
(ABC/abc) will change the
alphabet character in order.
31/A/a
Switches between numbers,
upper-case characters, and
lower-case characters.
4← →
Moves the input position.
5DEL
Deletes the input value.
6OK
Applies the input value, and
returns to the previous screen.
7Cancel
Cancels the input value, and
returns to the previous screen.
[Upper Case
Input screen]
[Numeric Value
Input screen]
[Lower Case
Input screen]
1
3
2
4
1
2
3 76
5
4
2

4.Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your nger to select a desired menu or item.
Slide operations
Slide a nger up or down on the setting value
areas at any time to change setting values.
Scroll bars
Slide the vertical or horizontal scroll bars to view
a different part of the screen.
Radio button operations
Radio buttons are displayed
when you can only select one
item. Touch a desired item to
select.
Check box operations
Check boxes are displayed when multiple
selections are available.
Touch a desired item(s) to select.
Touch operations
Touch each icon to change the display to a
desired screen.
Setting value increases when is touched.
Setting value decreases when is touched.
[Screen For Selecting LCD
Backlight Brightness]
[Flash Mode
screen]
[Ambient Mode
screen]
Scroll bars
[Measuring screen]
Item selected Items selectedItems not selected Item not selected
1.Check Included Items
The following items are included with the meter in the package.
Please be sure to check that all noted items are included.
* If any items are missing, please contact the distributor or the reseller you
purchased the meter from.
* The USB cable (that has the A connector and Micro-B connector) is not
included in the package. Please obtain this separately.
* Batteries (two AA, Alkaline and manganese batteries are recommended)
are not included in the package. Please obtain these separately.
Meter
Startup Guide
(this document)
Strap Lens Cap
(Installed on the meter)
Soft Case
Anti-glare Sheet
for LCD Screen
Safety
Precaution
Safety Precaution
For Proper Operation
Before using this product, please read this "Safety Precautions" for
proper operation.
WARNING
The WARNING symbol indicates the
possibility of death or serious injury if the
product is not used properly.
CAUTION
The CAUTION symbol indicates the
possibility of minor to moderate personal
injury or product damage if the product is
not used properly.
NOTICE
The NOTICE symbol indicates cautions
or restrictions when using the product.
Please read all notes to avoid errors in
operation.
General Safety Information
• Read the Operating Manual before use.
• Keep the Operating Manual on hand for reference at any
time.
• Stop using this product when there are any abnormalities.
• The modication or disassembly of this product is prohibited.
• Do not attempt to repair this product by yourself.
• This product is intended only for persons with expert
knowledge.
• Monitor children so that they do not touch this product.
• Use this product in a usage environment described in the
Operating Manual.
• This product is not waterproof.
WARNING
There is a danger of electrical shock when using high
voltage strobes.
Avoid contacting the terminals.
This product emits electromagnetic waves.
Do not bring this product close to persons with
pacemakers.
Do not use this product in an explosive atmosphere.
Use of devices emitting electromagnetic waves is
prohibited in hospitals.
CAUTION
• Check the material of the neck strap to see if there is any
risk of allergy.
• Be careful of sudden emission of lights from strobes.
NOTICE
• Do not leave this product on car dashboards in hot weather.
This may damage the product.
• Remove the batteries when this product is not in use for a
long period of time.
• When the desired performance is not achieved, stop using
this product and contact the service center.
Information for Users on Collection and
Disposal of Old Equipment
Toprotect environment, do not through this device
and batteries away with the normal household waste
at the end of those life, but bring them in at an
ofcial collection point of your country for recycling.
English
2.Names of Parts
The following is a list of names of buttons and parts on the meter.
* The function of the Measuring button 6and Memory button 7can be
interchanged using the Custom Setting function.
[Bottom (rear) view,
battery cover]
[Rear view][Front view]
Tabs (Three)
Retracted
mark
Extended
mark
[Lumisphere (Switchover
between Extended/Retracted)]
2Lumisphere
1
Lumisphere retracting ring
6Measuring button*
3Objective lens
4 Viewnder eyepiece
(with diopter adjustment)
5 Power button
7Memory button*
0USB connector
aUSB connector cover
bSynchro terminal
cSynchro terminal cover
dBattery cover
eBattery cover latch
fStrap eyelet
8Touch panel LCD
9
Menu button <<MENU>>
gTripod socket hole
jBattery
compartment i
Transmitter connector cover
hTransmitter
(sold separately)
compartment
3.Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the meter.
The Startup screen appears on the LCD for 1 second.
Then the settings for the Measuring button (MEASURE) and Memory
button (MEMORY) are displayed on the Measuring screen for 2 seconds.
To turn the power off, press and hold down the Power button for at least 1
second.
The meter power turns off after the display disappears.
Please wait 3 seconds between repeated power on and power off sessions.
NOTICE
●The blue lettered "SEKONIC" logo
screen is displayed after battery
replacement and 24 hours after
power OFF.
●Movement of the blue status bar
indicates that the meter is checking
its memory and preparing to operate.
Do not turn the power OFF. Otherwise,
the meter may be damaged.
* By touching the Startup screen, you can
immediately skip the screen.
[Measuring screen] [Startup screen]
Power button 5
Memory button 7
Measuring button 6
7.Select Measuring Mode
Different measuring modes can be selected to meet various
requirements.
* In the custom setting, you can select whether to display or hide the
measuring modes. Content to be displayed differs depending on which
transmitter (sold separately) is installed.
<Ambient Mode>
No. Description of mode
1Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO
values.
2Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4Ambient light HD Cine mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5Ambient light Cine mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6
Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m
2
or ) mode (Reected light measurement)
Displays brightness value in cd/m2or foot-lambert unit.
1[Ambient Light T Priority Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Measured
values
1
2
3
4
5
6
6.Measuring Preparations
The mode and other settings required to make a
measurement can be selected from the Measuring screen.
For information on how to switch the display to each
screen, see the relevant item.
* When another
function has been
assigned by using
the custom setting,
select Incident/Spot
from Tool Box.
[Measuring Mode
Selection screen]
[Select Incident/Spot
screen]
[Menu screen]
[Tool Box screen]
Settings
[Meter]
(Measuring screen)
5.Input Numbers or Characters
How to input a numerical value
(Numeric Number Input screen)
No. Key Description
10-9,
Decimal point,
Sign (+/-)
Inputs a numeric value.
When touched, the input
value is displayed at the top of
screen.
2DEL
Deletes the input value.
3OK
Applies the input value, and
returns to the previous screen.
4Cancel
Cancels the input value, and
returns to the previous screen.
How to input characters and numbers
(Character Input screen)
No. Key Description
1
■
The cursor indicates the position
at which to enter a character.
2
ABC, abc,
0-9,
Decimal point,
Space,
Hyphen
When touched, the input
value is displayed at the top of
screen. Repeated touching of
the same button for alphabet
(ABC/abc) will change the
alphabet character in order.
31/A/a
Switches between numbers,
upper-case characters, and
lower-case characters.
4← →
Moves the input position.
5DEL
Deletes the input value.
6OK
Applies the input value, and
returns to the previous screen.
7Cancel
Cancels the input value, and
returns to the previous screen.
[Upper Case
Input screen]
[Numeric Value
Input screen]
[Lower Case
Input screen]
1
3
2
4
1
2
3 76
5
4
2

4.Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your nger to select a desired menu or item.
Slide operations
Slide a nger up or down on the setting value
areas at any time to change setting values.
Scroll bars
Slide the vertical or horizontal scroll bars to view
a different part of the screen.
Radio button operations
Radio buttons are displayed
when you can only select one
item. Touch a desired item to
select.
Check box operations
Check boxes are displayed when multiple
selections are available.
Touch a desired item(s) to select.
Touch operations
Touch each icon to change the display to a
desired screen.
Setting value increases when is touched.
Setting value decreases when is touched.
[Screen For Selecting LCD
Backlight Brightness]
[Flash Mode
screen]
[Ambient Mode
screen]
Scroll bars
[Measuring screen]
Item selected Items selectedItems not selected Item not selected
1.Check Included Items
The following items are included with the meter in the package.
Please be sure to check that all noted items are included.
* If any items are missing, please contact the distributor or the reseller you
purchased the meter from.
* The USB cable (that has the A connector and Micro-B connector) is not
included in the package. Please obtain this separately.
* Batteries (two AA, Alkaline and manganese batteries are recommended)
are not included in the package. Please obtain these separately.
Meter
Startup Guide
(this document)
Strap Lens Cap
(Installed on the meter)
Soft Case
Anti-glare Sheet
for LCD Screen
Safety
Precaution
Safety Precaution
For Proper Operation
Before using this product, please read this "Safety Precautions" for
proper operation.
WARNING
The WARNING symbol indicates the
possibility of death or serious injury if the
product is not used properly.
CAUTION
The CAUTION symbol indicates the
possibility of minor to moderate personal
injury or product damage if the product is
not used properly.
NOTICE
The NOTICE symbol indicates cautions
or restrictions when using the product.
Please read all notes to avoid errors in
operation.
General Safety Information
• Read the Operating Manual before use.
• Keep the Operating Manual on hand for reference at any
time.
• Stop using this product when there are any abnormalities.
• The modication or disassembly of this product is prohibited.
• Do not attempt to repair this product by yourself.
• This product is intended only for persons with expert
knowledge.
• Monitor children so that they do not touch this product.
• Use this product in a usage environment described in the
Operating Manual.
• This product is not waterproof.
WARNING
There is a danger of electrical shock when using high
voltage strobes.
Avoid contacting the terminals.
This product emits electromagnetic waves.
Do not bring this product close to persons with
pacemakers.
Do not use this product in an explosive atmosphere.
Use of devices emitting electromagnetic waves is
prohibited in hospitals.
CAUTION
• Check the material of the neck strap to see if there is any
risk of allergy.
• Be careful of sudden emission of lights from strobes.
NOTICE
• Do not leave this product on car dashboards in hot weather.
This may damage the product.
• Remove the batteries when this product is not in use for a
long period of time.
• When the desired performance is not achieved, stop using
this product and contact the service center.
Information for Users on Collection and
Disposal of Old Equipment
Toprotect environment, do not through this device
and batteries away with the normal household waste
at the end of those life, but bring them in at an
ofcial collection point of your country for recycling.
English
2.Names of Parts
The following is a list of names of buttons and parts on the meter.
* The function of the Measuring button 6and Memory button 7can be
interchanged using the Custom Setting function.
[Bottom (rear) view,
battery cover]
[Rear view][Front view]
Tabs (Three)
Retracted
mark
Extended
mark
[Lumisphere (Switchover
between Extended/Retracted)]
2Lumisphere
1
Lumisphere retracting ring
6Measuring button*
3Objective lens
4 Viewnder eyepiece
(with diopter adjustment)
5 Power button
7Memory button*
0USB connector
aUSB connector cover
bSynchro terminal
cSynchro terminal cover
dBattery cover
eBattery cover latch
fStrap eyelet
8Touch panel LCD
9
Menu button <<MENU>>
gTripod socket hole
jBattery
compartment i
Transmitter connector cover
hTransmitter
(sold separately)
compartment
3.Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the meter.
The Startup screen appears on the LCD for 1 second.
Then the settings for the Measuring button (MEASURE) and Memory
button (MEMORY) are displayed on the Measuring screen for 2 seconds.
To turn the power off, press and hold down the Power button for at least 1
second.
The meter power turns off after the display disappears.
Please wait 3 seconds between repeated power on and power off sessions.
NOTICE
●The blue lettered "SEKONIC" logo
screen is displayed after battery
replacement and 24 hours after
power OFF.
●Movement of the blue status bar
indicates that the meter is checking
its memory and preparing to operate.
Do not turn the power OFF. Otherwise,
the meter may be damaged.
* By touching the Startup screen, you can
immediately skip the screen.
[Measuring screen] [Startup screen]
Power button 5
Memory button 7
Measuring button 6
7.Select Measuring Mode
Different measuring modes can be selected to meet various
requirements.
* In the custom setting, you can select whether to display or hide the
measuring modes. Content to be displayed differs depending on which
transmitter (sold separately) is installed.
<Ambient Mode>
No. Description of mode
1Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO
values.
2Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4Ambient light HD Cine mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5Ambient light Cine mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6
Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m
2
or ) mode (Reected light measurement)
Displays brightness value in cd/m2or foot-lambert unit.
1[Ambient Light T Priority Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Measured
values
1
2
3
4
5
6
6.Measuring Preparations
The mode and other settings required to make a
measurement can be selected from the Measuring screen.
For information on how to switch the display to each
screen, see the relevant item.
* When another
function has been
assigned by using
the custom setting,
select Incident/Spot
from Tool Box.
[Measuring Mode
Selection screen]
[Select Incident/Spot
screen]
[Menu screen]
[Tool Box screen]
Settings
[Meter]
(Measuring screen)
5.Input Numbers or Characters
How to input a numerical value
(Numeric Number Input screen)
No. Key Description
10-9,
Decimal point,
Sign (+/-)
Inputs a numeric value.
When touched, the input
value is displayed at the top of
screen.
2DEL
Deletes the input value.
3OK
Applies the input value, and
returns to the previous screen.
4Cancel
Cancels the input value, and
returns to the previous screen.
How to input characters and numbers
(Character Input screen)
No. Key Description
1
■
The cursor indicates the position
at which to enter a character.
2
ABC, abc,
0-9,
Decimal point,
Space,
Hyphen
When touched, the input
value is displayed at the top of
screen. Repeated touching of
the same button for alphabet
(ABC/abc) will change the
alphabet character in order.
31/A/a
Switches between numbers,
upper-case characters, and
lower-case characters.
4← →
Moves the input position.
5DEL
Deletes the input value.
6OK
Applies the input value, and
returns to the previous screen.
7Cancel
Cancels the input value, and
returns to the previous screen.
[Upper Case
Input screen]
[Numeric Value
Input screen]
[Lower Case
Input screen]
1
3
2
4
1
2
3 76
5
4
2

4.Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your nger to select a desired menu or item.
Slide operations
Slide a nger up or down on the setting value
areas at any time to change setting values.
Scroll bars
Slide the vertical or horizontal scroll bars to view
a different part of the screen.
Radio button operations
Radio buttons are displayed
when you can only select one
item. Touch a desired item to
select.
Check box operations
Check boxes are displayed when multiple
selections are available.
Touch a desired item(s) to select.
Touch operations
Touch each icon to change the display to a
desired screen.
Setting value increases when is touched.
Setting value decreases when is touched.
[Screen For Selecting LCD
Backlight Brightness]
[Flash Mode
screen]
[Ambient Mode
screen]
Scroll bars
[Measuring screen]
Item selected Items selectedItems not selected Item not selected
1.Check Included Items
The following items are included with the meter in the package.
Please be sure to check that all noted items are included.
* If any items are missing, please contact the distributor or the reseller you
purchased the meter from.
* The USB cable (that has the A connector and Micro-B connector) is not
included in the package. Please obtain this separately.
* Batteries (two AA, Alkaline and manganese batteries are recommended)
are not included in the package. Please obtain these separately.
Meter
Startup Guide
(this document)
Strap Lens Cap
(Installed on the meter)
Soft Case
Anti-glare Sheet
for LCD Screen
Safety
Precaution
Safety Precaution
For Proper Operation
Before using this product, please read this "Safety Precautions" for
proper operation.
WARNING
The WARNING symbol indicates the
possibility of death or serious injury if the
product is not used properly.
CAUTION
The CAUTION symbol indicates the
possibility of minor to moderate personal
injury or product damage if the product is
not used properly.
NOTICE
The NOTICE symbol indicates cautions
or restrictions when using the product.
Please read all notes to avoid errors in
operation.
General Safety Information
• Read the Operating Manual before use.
• Keep the Operating Manual on hand for reference at any
time.
• Stop using this product when there are any abnormalities.
• The modication or disassembly of this product is prohibited.
• Do not attempt to repair this product by yourself.
• This product is intended only for persons with expert
knowledge.
• Monitor children so that they do not touch this product.
• Use this product in a usage environment described in the
Operating Manual.
• This product is not waterproof.
WARNING
There is a danger of electrical shock when using high
voltage strobes.
Avoid contacting the terminals.
This product emits electromagnetic waves.
Do not bring this product close to persons with
pacemakers.
Do not use this product in an explosive atmosphere.
Use of devices emitting electromagnetic waves is
prohibited in hospitals.
CAUTION
• Check the material of the neck strap to see if there is any
risk of allergy.
• Be careful of sudden emission of lights from strobes.
NOTICE
• Do not leave this product on car dashboards in hot weather.
This may damage the product.
• Remove the batteries when this product is not in use for a
long period of time.
• When the desired performance is not achieved, stop using
this product and contact the service center.
Information for Users on Collection and
Disposal of Old Equipment
Toprotect environment, do not through this device
and batteries away with the normal household waste
at the end of those life, but bring them in at an
ofcial collection point of your country for recycling.
English
2.Names of Parts
The following is a list of names of buttons and parts on the meter.
* The function of the Measuring button 6and Memory button 7can be
interchanged using the Custom Setting function.
[Bottom (rear) view,
battery cover]
[Rear view][Front view]
Tabs (Three)
Retracted
mark
Extended
mark
[Lumisphere (Switchover
between Extended/Retracted)]
2Lumisphere
1
Lumisphere retracting ring
6Measuring button*
3Objective lens
4 Viewnder eyepiece
(with diopter adjustment)
5 Power button
7Memory button*
0USB connector
aUSB connector cover
bSynchro terminal
cSynchro terminal cover
dBattery cover
eBattery cover latch
fStrap eyelet
8Touch panel LCD
9
Menu button <<MENU>>
gTripod socket hole
jBattery
compartment i
Transmitter connector cover
hTransmitter
(sold separately)
compartment
3.Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the meter.
The Startup screen appears on the LCD for 1 second.
Then the settings for the Measuring button (MEASURE) and Memory
button (MEMORY) are displayed on the Measuring screen for 2 seconds.
To turn the power off, press and hold down the Power button for at least 1
second.
The meter power turns off after the display disappears.
Please wait 3 seconds between repeated power on and power off sessions.
NOTICE
●The blue lettered "SEKONIC" logo
screen is displayed after battery
replacement and 24 hours after
power OFF.
●Movement of the blue status bar
indicates that the meter is checking
its memory and preparing to operate.
Do not turn the power OFF. Otherwise,
the meter may be damaged.
* By touching the Startup screen, you can
immediately skip the screen.
[Measuring screen] [Startup screen]
Power button 5
Memory button 7
Measuring button 6
7.Select Measuring Mode
Different measuring modes can be selected to meet various
requirements.
* In the custom setting, you can select whether to display or hide the
measuring modes. Content to be displayed differs depending on which
transmitter (sold separately) is installed.
<Ambient Mode>
No. Description of mode
1Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO
values.
2Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4Ambient light HD Cine mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5Ambient light Cine mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6
Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m
2
or ) mode (Reected light measurement)
Displays brightness value in cd/m2or foot-lambert unit.
1[Ambient Light T Priority Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Measured
values
1
2
3
4
5
6
6.Measuring Preparations
The mode and other settings required to make a
measurement can be selected from the Measuring screen.
For information on how to switch the display to each
screen, see the relevant item.
* When another
function has been
assigned by using
the custom setting,
select Incident/Spot
from Tool Box.
[Measuring Mode
Selection screen]
[Select Incident/Spot
screen]
[Menu screen]
[Tool Box screen]
Settings
[Meter]
(Measuring screen)
5.Input Numbers or Characters
How to input a numerical value
(Numeric Number Input screen)
No. Key Description
10-9,
Decimal point,
Sign (+/-)
Inputs a numeric value.
When touched, the input
value is displayed at the top of
screen.
2DEL
Deletes the input value.
3OK
Applies the input value, and
returns to the previous screen.
4Cancel
Cancels the input value, and
returns to the previous screen.
How to input characters and numbers
(Character Input screen)
No. Key Description
1
■
The cursor indicates the position
at which to enter a character.
2
ABC, abc,
0-9,
Decimal point,
Space,
Hyphen
When touched, the input
value is displayed at the top of
screen. Repeated touching of
the same button for alphabet
(ABC/abc) will change the
alphabet character in order.
31/A/a
Switches between numbers,
upper-case characters, and
lower-case characters.
4← →
Moves the input position.
5DEL
Deletes the input value.
6OK
Applies the input value, and
returns to the previous screen.
7Cancel
Cancels the input value, and
returns to the previous screen.
[Upper Case
Input screen]
[Numeric Value
Input screen]
[Lower Case
Input screen]
1
3
2
4
1
2
3 76
5
4
2

4.Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your nger to select a desired menu or item.
Slide operations
Slide a nger up or down on the setting value
areas at any time to change setting values.
Scroll bars
Slide the vertical or horizontal scroll bars to view
a different part of the screen.
Radio button operations
Radio buttons are displayed
when you can only select one
item. Touch a desired item to
select.
Check box operations
Check boxes are displayed when multiple
selections are available.
Touch a desired item(s) to select.
Touch operations
Touch each icon to change the display to a
desired screen.
Setting value increases when is touched.
Setting value decreases when is touched.
[Screen For Selecting LCD
Backlight Brightness]
[Flash Mode
screen]
[Ambient Mode
screen]
Scroll bars
[Measuring screen]
Item selected Items selectedItems not selected Item not selected
1.Check Included Items
The following items are included with the meter in the package.
Please be sure to check that all noted items are included.
* If any items are missing, please contact the distributor or the reseller you
purchased the meter from.
* The USB cable (that has the A connector and Micro-B connector) is not
included in the package. Please obtain this separately.
* Batteries (two AA, Alkaline and manganese batteries are recommended)
are not included in the package. Please obtain these separately.
Meter
Startup Guide
(this document)
Strap Lens Cap
(Installed on the meter)
Soft Case
Anti-glare Sheet
for LCD Screen
Safety
Precaution
Safety Precaution
For Proper Operation
Before using this product, please read this "Safety Precautions" for
proper operation.
WARNING
The WARNING symbol indicates the
possibility of death or serious injury if the
product is not used properly.
CAUTION
The CAUTION symbol indicates the
possibility of minor to moderate personal
injury or product damage if the product is
not used properly.
NOTICE
The NOTICE symbol indicates cautions
or restrictions when using the product.
Please read all notes to avoid errors in
operation.
General Safety Information
• Read the Operating Manual before use.
• Keep the Operating Manual on hand for reference at any
time.
• Stop using this product when there are any abnormalities.
• The modication or disassembly of this product is prohibited.
• Do not attempt to repair this product by yourself.
• This product is intended only for persons with expert
knowledge.
• Monitor children so that they do not touch this product.
• Use this product in a usage environment described in the
Operating Manual.
• This product is not waterproof.
WARNING
There is a danger of electrical shock when using high
voltage strobes.
Avoid contacting the terminals.
This product emits electromagnetic waves.
Do not bring this product close to persons with
pacemakers.
Do not use this product in an explosive atmosphere.
Use of devices emitting electromagnetic waves is
prohibited in hospitals.
CAUTION
• Check the material of the neck strap to see if there is any
risk of allergy.
• Be careful of sudden emission of lights from strobes.
NOTICE
• Do not leave this product on car dashboards in hot weather.
This may damage the product.
• Remove the batteries when this product is not in use for a
long period of time.
• When the desired performance is not achieved, stop using
this product and contact the service center.
Information for Users on Collection and
Disposal of Old Equipment
To protect environment, do not through this device
and batteries away with the normal household waste
at the end of those life, but bring them in at an
ofcial collection point of your country for recycling.
English
2.Names of Parts
The following is a list of names of buttons and parts on the meter.
* The function of the Measuring button 6and Memory button 7can be
interchanged using the Custom Setting function.
[Bottom (rear) view,
battery cover]
[Rear view][Front view]
Tabs (Three)
Retracted
mark
Extended
mark
[Lumisphere (Switchover
between Extended/Retracted)]
2Lumisphere
1
Lumisphere retracting ring
6Measuring button*
3Objective lens
4 Viewnder eyepiece
(with diopter adjustment)
5 Power button
7Memory button*
0USB connector
aUSB connector cover
bSynchro terminal
cSynchro terminal cover
dBattery cover
eBattery cover latch
fStrap eyelet
8Touch panel LCD
9
Menu button <<MENU>>
gTripod socket hole
jBattery
compartment i
Transmitter connector cover
hTransmitter
(sold separately)
compartment
3.Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the meter.
The Startup screen appears on the LCD for 1 second.
Then the settings for the Measuring button (MEASURE) and Memory
button (MEMORY) are displayed on the Measuring screen for 2 seconds.
To turn the power off, press and hold down the Power button for at least 1
second.
The meter power turns off after the display disappears.
Please wait 3 seconds between repeated power on and power off sessions.
NOTICE
●The blue lettered "SEKONIC" logo
screen is displayed after battery
replacement and 24 hours after
power OFF.
●Movement of the blue status bar
indicates that the meter is checking
its memory and preparing to operate.
Do not turn the power OFF. Otherwise,
the meter may be damaged.
* By touching the Startup screen, you can
immediately skip the screen.
[Measuring screen] [Startup screen]
Power button 5
Memory button 7
Measuring button 6
7.Select Measuring Mode
Different measuring modes can be selected to meet various
requirements.
* In the custom setting, you can select whether to display or hide the
measuring modes. Content to be displayed differs depending on which
transmitter (sold separately) is installed.
<Ambient Mode>
No. Description of mode
1Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO
values.
2Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4Ambient light HD Cine mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5Ambient light Cine mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6
Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m
2
or ) mode (Reected light measurement)
Displays brightness value in cd/m2or foot-lambert unit.
1[Ambient Light T Priority Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Measured
values
1
2
3
4
5
6
6.Measuring Preparations
The mode and other settings required to make a
measurement can be selected from the Measuring screen.
For information on how to switch the display to each
screen, see the relevant item.
* When another
function has been
assigned by using
the custom setting,
select Incident/Spot
from Tool Box.
[Measuring Mode
Selection screen]
[Select Incident/Spot
screen]
[Menu screen]
[Tool Box screen]
Settings
[Meter]
(Measuring screen)
5.Input Numbers or Characters
How to input a numerical value
(Numeric Number Input screen)
No. Key Description
10-9,
Decimal point,
Sign (+/-)
Inputs a numeric value.
When touched, the input
value is displayed at the top of
screen.
2DEL
Deletes the input value.
3OK
Applies the input value, and
returns to the previous screen.
4Cancel
Cancels the input value, and
returns to the previous screen.
How to input characters and numbers
(Character Input screen)
No. Key Description
1
■
The cursor indicates the position
at which to enter a character.
2
ABC, abc,
0-9,
Decimal point,
Space,
Hyphen
When touched, the input
value is displayed at the top of
screen. Repeated touching of
the same button for alphabet
(ABC/abc) will change the
alphabet character in order.
31/A/a
Switches between numbers,
upper-case characters, and
lower-case characters.
4← →
Moves the input position.
5DEL
Deletes the input value.
6OK
Applies the input value, and
returns to the previous screen.
7Cancel
Cancels the input value, and
returns to the previous screen.
[Upper Case
Input screen]
[Numeric Value
Input screen]
[Lower Case
Input screen]
1
3
2
4
1
2
3 76
5
4
2

4.Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your nger to select a desired menu or item.
Slide operations
Slide a nger up or down on the setting value
areas at any time to change setting values.
Scroll bars
Slide the vertical or horizontal scroll bars to view
a different part of the screen.
Radio button operations
Radio buttons are displayed
when you can only select one
item. Touch a desired item to
select.
Check box operations
Check boxes are displayed when multiple
selections are available.
Touch a desired item(s) to select.
Touch operations
Touch each icon to change the display to a
desired screen.
Setting value increases when is touched.
Setting value decreases when is touched.
[Screen For Selecting LCD
Backlight Brightness]
[Flash Mode
screen]
[Ambient Mode
screen]
Scroll bars
[Measuring screen]
Item selected Items selectedItems not selected Item not selected
1.Check Included Items
The following items are included with the meter in the package.
Please be sure to check that all noted items are included.
* If any items are missing, please contact the distributor or the reseller you
purchased the meter from.
* The USB cable (that has the A connector and Micro-B connector) is not
included in the package. Please obtain this separately.
* Batteries (two AA, Alkaline and manganese batteries are recommended)
are not included in the package. Please obtain these separately.
Meter
Startup Guide
(this document)
Strap Lens Cap
(Installed on the meter)
Soft Case
Anti-glare Sheet
for LCD Screen
Safety
Precaution
Safety Precaution
For Proper Operation
Before using this product, please read this "Safety Precautions" for
proper operation.
WARNING
The WARNING symbol indicates the
possibility of death or serious injury if the
product is not used properly.
CAUTION
The CAUTION symbol indicates the
possibility of minor to moderate personal
injury or product damage if the product is
not used properly.
NOTICE
The NOTICE symbol indicates cautions
or restrictions when using the product.
Please read all notes to avoid errors in
operation.
General Safety Information
• Read the Operating Manual before use.
• Keep the Operating Manual on hand for reference at any
time.
• Stop using this product when there are any abnormalities.
• The modication or disassembly of this product is prohibited.
• Do not attempt to repair this product by yourself.
• This product is intended only for persons with expert
knowledge.
• Monitor children so that they do not touch this product.
• Use this product in a usage environment described in the
Operating Manual.
• This product is not waterproof.
WARNING
There is a danger of electrical shock when using high
voltage strobes.
Avoid contacting the terminals.
This product emits electromagnetic waves.
Do not bring this product close to persons with
pacemakers.
Do not use this product in an explosive atmosphere.
Use of devices emitting electromagnetic waves is
prohibited in hospitals.
CAUTION
• Check the material of the neck strap to see if there is any
risk of allergy.
• Be careful of sudden emission of lights from strobes.
NOTICE
• Do not leave this product on car dashboards in hot weather.
This may damage the product.
• Remove the batteries when this product is not in use for a
long period of time.
• When the desired performance is not achieved, stop using
this product and contact the service center.
Information for Users on Collection and
Disposal of Old Equipment
Toprotect environment, do not through this device
and batteries away with the normal household waste
at the end of those life, but bring them in at an
ofcial collection point of your country for recycling.
English
2.Names of Parts
The following is a list of names of buttons and parts on the meter.
* The function of the Measuring button 6and Memory button 7can be
interchanged using the Custom Setting function.
[Bottom (rear) view,
battery cover]
[Rear view][Front view]
Tabs (Three)
Retracted
mark
Extended
mark
[Lumisphere (Switchover
between Extended/Retracted)]
2Lumisphere
1
Lumisphere retracting ring
6Measuring button*
3Objective lens
4 Viewnder eyepiece
(with diopter adjustment)
5 Power button
7Memory button*
0USB connector
aUSB connector cover
bSynchro terminal
cSynchro terminal cover
dBattery cover
eBattery cover latch
fStrap eyelet
8Touch panel LCD
9
Menu button <<MENU>>
gTripod socket hole
jBattery
compartment i
Transmitter connector cover
hTransmitter
(sold separately)
compartment
3.Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the meter.
The Startup screen appears on the LCD for 1 second.
Then the settings for the Measuring button (MEASURE) and Memory
button (MEMORY) are displayed on the Measuring screen for 2 seconds.
To turn the power off, press and hold down the Power button for at least 1
second.
The meter power turns off after the display disappears.
Please wait 3 seconds between repeated power on and power off sessions.
NOTICE
●The blue lettered "SEKONIC" logo
screen is displayed after battery
replacement and 24 hours after
power OFF.
●Movement of the blue status bar
indicates that the meter is checking
its memory and preparing to operate.
Do not turn the power OFF. Otherwise,
the meter may be damaged.
* By touching the Startup screen, you can
immediately skip the screen.
[Measuring screen] [Startup screen]
Power button 5
Memory button 7
Measuring button 6
7.Select Measuring Mode
Different measuring modes can be selected to meet various
requirements.
* In the custom setting, you can select whether to display or hide the
measuring modes. Content to be displayed differs depending on which
transmitter (sold separately) is installed.
<Ambient Mode>
No. Description of mode
1Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO
values.
2Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4Ambient light HD Cine mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5Ambient light Cine mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6
Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m
2
or ) mode (Reected light measurement)
Displays brightness value in cd/m2or foot-lambert unit.
1[Ambient Light T Priority Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Measured
values
1
2
3
4
5
6
6.Measuring Preparations
The mode and other settings required to make a
measurement can be selected from the Measuring screen.
For information on how to switch the display to each
screen, see the relevant item.
* When another
function has been
assigned by using
the custom setting,
select Incident/Spot
from Tool Box.
[Measuring Mode
Selection screen]
[Select Incident/Spot
screen]
[Menu screen]
[Tool Box screen]
Settings
[Meter]
(Measuring screen)
5.Input Numbers or Characters
How to input a numerical value
(Numeric Number Input screen)
No. Key Description
10-9,
Decimal point,
Sign (+/-)
Inputs a numeric value.
When touched, the input
value is displayed at the top of
screen.
2DEL
Deletes the input value.
3OK
Applies the input value, and
returns to the previous screen.
4Cancel
Cancels the input value, and
returns to the previous screen.
How to input characters and numbers
(Character Input screen)
No. Key Description
1
■
The cursor indicates the position
at which to enter a character.
2
ABC, abc,
0-9,
Decimal point,
Space,
Hyphen
When touched, the input
value is displayed at the top of
screen. Repeated touching of
the same button for alphabet
(ABC/abc) will change the
alphabet character in order.
31/A/a
Switches between numbers,
upper-case characters, and
lower-case characters.
4← →
Moves the input position.
5DEL
Deletes the input value.
6OK
Applies the input value, and
returns to the previous screen.
7Cancel
Cancels the input value, and
returns to the previous screen.
[Upper Case
Input screen]
[Numeric Value
Input screen]
[Lower Case
Input screen]
1
3
2
4
1
2
3 76
5
4
2

4.Screen Operations
This section explains how to operate the touch panel on the meter.
Touch an icon with your nger to select a desired menu or item.
Slide operations
Slide a nger up or down on the setting value
areas at any time to change setting values.
Scroll bars
Slide the vertical or horizontal scroll bars to view
a different part of the screen.
Radio button operations
Radio buttons are displayed
when you can only select one
item. Touch a desired item to
select.
Check box operations
Check boxes are displayed when multiple
selections are available.
Touch a desired item(s) to select.
Touch operations
Touch each icon to change the display to a
desired screen.
Setting value increases when is touched.
Setting value decreases when is touched.
[Screen For Selecting LCD
Backlight Brightness]
[Flash Mode
screen]
[Ambient Mode
screen]
Scroll bars
[Measuring screen]
Item selected Items selectedItems not selected Item not selected
1.Check Included Items
The following items are included with the meter in the package.
Please be sure to check that all noted items are included.
* If any items are missing, please contact the distributor or the reseller you
purchased the meter from.
* The USB cable (that has the A connector and Micro-B connector) is not
included in the package. Please obtain this separately.
* Batteries (two AA, Alkaline and manganese batteries are recommended)
are not included in the package. Please obtain these separately.
Meter
Startup Guide
(this document)
Strap Lens Cap
(Installed on the meter)
Soft Case
Anti-glare Sheet
for LCD Screen
Safety
Precaution
Safety Precaution
For Proper Operation
Before using this product, please read this "Safety Precautions" for
proper operation.
WARNING
The WARNING symbol indicates the
possibility of death or serious injury if the
product is not used properly.
CAUTION
The CAUTION symbol indicates the
possibility of minor to moderate personal
injury or product damage if the product is
not used properly.
NOTICE
The NOTICE symbol indicates cautions
or restrictions when using the product.
Please read all notes to avoid errors in
operation.
General Safety Information
• Read the Operating Manual before use.
• Keep the Operating Manual on hand for reference at any
time.
• Stop using this product when there are any abnormalities.
• The modication or disassembly of this product is prohibited.
• Do not attempt to repair this product by yourself.
• This product is intended only for persons with expert
knowledge.
• Monitor children so that they do not touch this product.
• Use this product in a usage environment described in the
Operating Manual.
• This product is not waterproof.
WARNING
There is a danger of electrical shock when using high
voltage strobes.
Avoid contacting the terminals.
This product emits electromagnetic waves.
Do not bring this product close to persons with
pacemakers.
Do not use this product in an explosive atmosphere.
Use of devices emitting electromagnetic waves is
prohibited in hospitals.
CAUTION
• Check the material of the neck strap to see if there is any
risk of allergy.
• Be careful of sudden emission of lights from strobes.
NOTICE
• Do not leave this product on car dashboards in hot weather.
This may damage the product.
• Remove the batteries when this product is not in use for a
long period of time.
• When the desired performance is not achieved, stop using
this product and contact the service center.
Information for Users on Collection and
Disposal of Old Equipment
Toprotect environment, do not through this device
and batteries away with the normal household waste
at the end of those life, but bring them in at an
ofcial collection point of your country for recycling.
English
2.Names of Parts
The following is a list of names of buttons and parts on the meter.
* The function of the Measuring button 6and Memory button 7can be
interchanged using the Custom Setting function.
[Bottom (rear) view,
battery cover]
[Rear view][Front view]
Tabs (Three)
Retracted
mark
Extended
mark
[Lumisphere (Switchover
between Extended/Retracted)]
2Lumisphere
1
Lumisphere retracting ring
6Measuring button*
3Objective lens
4 Viewnder eyepiece
(with diopter adjustment)
5 Power button
7Memory button*
0USB connector
aUSB connector cover
bSynchro terminal
cSynchro terminal cover
dBattery cover
eBattery cover latch
fStrap eyelet
8Touch panel LCD
9
Menu button <<MENU>>
gTripod socket hole
jBattery
compartment i
Transmitter connector cover
hTransmitter
(sold separately)
compartment
3.Turn the Power ON/OFF
After installing batteries, press the power button 5 to start up the meter.
The Startup screen appears on the LCD for 1 second.
Then the settings for the Measuring button (MEASURE) and Memory
button (MEMORY) are displayed on the Measuring screen for 2 seconds.
To turn the power off, press and hold down the Power button for at least 1
second.
The meter power turns off after the display disappears.
Please wait 3 seconds between repeated power on and power off sessions.
NOTICE
●The blue lettered "SEKONIC" logo
screen is displayed after battery
replacement and 24 hours after
power OFF.
●Movement of the blue status bar
indicates that the meter is checking
its memory and preparing to operate.
Do not turn the power OFF. Otherwise,
the meter may be damaged.
* By touching the Startup screen, you can
immediately skip the screen.
[Measuring screen] [Startup screen]
Power button 5
Memory button 7
Measuring button 6
7.Select Measuring Mode
Different measuring modes can be selected to meet various
requirements.
* In the custom setting, you can select whether to display or hide the
measuring modes. Content to be displayed differs depending on which
transmitter (sold separately) is installed.
<Ambient Mode>
No. Description of mode
1Ambient light T (shutter speed) priority mode
Displays F-stop value (aperture) for input shutter speed and ISO
values.
2Ambient light F-stop (aperture) priority mode
Displays shutter speed value for input F-stop and ISO values.
3Ambient light TF (shutter speed and F-stop) priority mode
Displays ISO sensitivity for input shutter speed and F-stop values.
4Ambient light HD Cine mode
Displays F-stop value for input shutter speed, frame rate and ISO values.
5Ambient light Cine mode
Displays F-stop value for input frame rate, ISO and shutter angle values.
6
Ambient light Illuminance (lux or fc) mode (Incident light measurement)
Displays brightness value in lux or foot-candle unit.
Ambient light Luminance (cd/m
2
or ) mode (Reected light measurement)
Displays brightness value in cd/m2or foot-lambert unit.
1[Ambient Light T Priority Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Measured
values
1
2
3
4
5
6
6.Measuring Preparations
The mode and other settings required to make a
measurement can be selected from the Measuring screen.
For information on how to switch the display to each
screen, see the relevant item.
* When another
function has been
assigned by using
the custom setting,
select Incident/Spot
from Tool Box.
[Measuring Mode
Selection screen]
[Select Incident/Spot
screen]
[Menu screen]
[Tool Box screen]
Settings
[Meter]
(Measuring screen)
5.Input Numbers or Characters
How to input a numerical value
(Numeric Number Input screen)
No. Key Description
10-9,
Decimal point,
Sign (+/-)
Inputs a numeric value.
When touched, the input
value is displayed at the top of
screen.
2DEL
Deletes the input value.
3OK
Applies the input value, and
returns to the previous screen.
4Cancel
Cancels the input value, and
returns to the previous screen.
How to input characters and numbers
(Character Input screen)
No. Key Description
1
■
The cursor indicates the position
at which to enter a character.
2
ABC, abc,
0-9,
Decimal point,
Space,
Hyphen
When touched, the input
value is displayed at the top of
screen. Repeated touching of
the same button for alphabet
(ABC/abc) will change the
alphabet character in order.
31/A/a
Switches between numbers,
upper-case characters, and
lower-case characters.
4← →
Moves the input position.
5DEL
Deletes the input value.
6OK
Applies the input value, and
returns to the previous screen.
7Cancel
Cancels the input value, and
returns to the previous screen.
[Upper Case
Input screen]
[Numeric Value
Input screen]
[Lower Case
Input screen]
1
3
2
4
1
2
3 76
5
4
2

2[Ambient Light
F-stop Priority Mode
Measuring screen]
4[Ambient Light
HD Cine Mode
Measuring screen]
3[Ambient Light
TF Priority Mode
Measuring screen]
5[Ambient Light Cine
Mode Measuring screen]
6[Ambient Light Illuminance Mode
Measuring screen]
* In incident light mode
6[Ambient Light Luminance Mode
Measuring screen]
* In reected light mode
e[Flash Duration
Analysis Cordless Mode
Measuring screen]
g
[Flash Duration
Analysis Radio Triggering
Mode Measuring screen]
f[Flash Duration
Analysis Cord Mode
Measuring screen]
Switching between measured value screens (numeric value ⇔⇔
graph) in Flash duration analysis mode
[Flash Duration
Analysis Cordless Mode
Measuring screen]
[Flash Duration Analysis
Cordless Mode Optical
Waveform Graph screen]
d[HSS Flash Radio
Triggering Mode Measuring
Screen] (for RT-GX only)
Touching the
Measured
value area
changes the
display.
<Flash Mode>
No. Description of mode
7
Cordless ash mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
8
Cordless multi (cumulative) ash mode
Detects and accumulates ash brightness without meter-ash
connection after Measuring button pressed to arm meter for 90
seconds and ash red separately, and displays F-stop value.
9Cord ash mode
Detects ash brightness with synchro cord meter-ash connection,
and displays F-stop value.
0Cord multi (cumulative) ash mode
Detects and accumulates ash brightness with synchro cord meter-
ash connection, and displays F-stop value.
a
Radio triggering ash mode
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-stop value (When a transmitter sold separately is installed).
b
Radio triggering multi (cumulative) ash mode
Detects and accumulates ash brightness after Measuring button is
pressed to send radio transmitted signal to radio receiver connected
to ash. Displays F-stop value (When a transmitter sold separately
is installed).
7[Cordless Flash Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
Ambient light
(Orange)
For Flash
analyzing
display
Flash light
(Blue)
7
8
9
0
a
b
8.Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen
to display settings of functions frequently used.
No. Item name Description
1
Set Average/Contrast Function Selects On/Off.
2
Select Incident/Spot Selects the light receiving method (Incident/Spot).
3
Set Exposure Compensation Inputs a Exposure compensation value.
4
Set Filter Compensation Inputs a lter compensation value or select a lter.
5
Set Mid. Tone Sets or edits the Mid. Tone from the measurement
or memorized value.
6
Mid. Tone Clear Deletes Mid. tone value.
7
Mid. Tone Recall Recalls Mid. tone value.
8
Set Exposure Prole Selects an exposure prole.
9
Memory Clear Deletes measurements stored in the memory.
(Not displayed in multi ash mode.)
0
Memory Recall Redisplays data stored in the memory.
(Not displayed in multi ash mode.)
a
Multi Clear Deletes accumulated data. (Displayed in multi ash mode only.)
b
Number of Pre-ash Selects the number of times before pre-ashing is canceled.
c
Flash Duration Analysis t Value Inputs t value of Flash duration analysis.
d
Radio CH/Zone *1Selects a radio channel/zone.
e▼/▲
Moves to the previous or next page.
f
Close Closes Tool Box and returns to the Measuring screen.
*1 Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Tool Box screen]
Page 1
[Tool Box screen]
Page 2
0
b
c
d
1
2
3
5
6
8
f
9 a
e
f
4
7
ef
8[Cordless Multi
(Cumulative) Flash Mode
Measuring screen]
a[Radio Triggering
Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is not set)]
0[Cord Multi
(Cumulative) Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is set)]
9[Cord Flash Mode
Measuring screen]
b[Radio Triggering
Multi (Cumulative) Flash
Mode Measuring screen]
[When Flash analyzing
analog scale is On]
* Switching analog scales in Flash mode
Touching the scale changes the display.
9.Menu Screen and Custom Settings
The Menu screen enables you to previously customize or
edit the function or display settings.
Press the Menu button 9on the meter to display the screen.
* The "Radio System Preference" in the Custom Setting is only displayed
when a transmitter (sold separately) is installed.
[Menu screen]
Page 1
[Custom Setting screen]
Page 2
[Custom Setting screen]
Page 1
[Menu screen]
Page 2
[Custom Setting screen]
Page 3
[Custom Setting screen]
Page 4
*
<HSS Flash Mode/Flash Duration Analysis Mode>
No. Description of mode
c
HSS (High Speed Synchro) ash cordless mode
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
d
HSS (High Speed Synchro) ash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-Stop value (When a transmitter sold separately is installed).
e
Flash duration analysis cordless mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays ash duration time, graph of ash
wave form and F-stop value.
f
Flash duration analysis cord mode
Detects ash brightness with synchro cord meter-ash connection,
and displays ash duration time, graph of ash wave form and
F-stop value.
g
Flash duration analysis radio triggering mode
Detects ash brightness after Measuring button is pressed to
send radio transmitted signal to radio receiver connected to ash.
Displays ash duration time, graph of ash wave form and F-stop
value (When a transmitter sold separately is installed).
[Measuring Mode
Selection screen]
c[HSS Cordless Mode
Measuring screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
c
d
e
f
g
7-24-14, Oizumi-Gakuen-cho, Nerima-ku Tokyo 178-8686 JAPAN
TEL [phone] FAX [phone]
https://www.sekonic.com
JY1L97622
July 2020
Printed in Philippines
10 .Download
■ Operating Manual ■ Data Transfer Software (DTS)
Please visit www.sekonic.com to download the latest version
of DTS software and the operating manual as follows:
https://www.sekonic.com/
Support Manuals and Software Select "L-858D" or "L-858D-U"
Data Transfer Software for MAC / WINDOWS
■ Data Transfer Software (DTS)
■ Operating Manual
You can also use the URLs below for direct access to both DTS and the operating manual.
https://www.sekonic.com/support/downloads
11 .Optional Radio Transmitters
Sekonic makes ve radio transmitters for use with the L-858D that can be
purchased separately.
When purchasing and/or installing a radio transmitter, make sure that the
meter, transmitter and radio receiver are designed for use in your location
and have the proper frequency to comply with local broadcast regulations.
L-858D Serial #
Transmitter
Model #
Operating Frequency
JY11-XXXXXX (
Canada IC )
JY1L -XXXXXX (FCC) RT-20PW
PocketWizard (FCC & Canada IC):
344.0 to 354.00 MHz
JY11-XXXXXX (CE)
JY1 G -XXXXXX (NCC) RT-3PW PocketWizard (CE & NCC): 433.42 to
434.42MHz
JY10-XXXXXX (Japan)
JY11-XXXXXX (CE)
JY1
G -XXXXXX ( SRRC, NCC )
JY1L-XXXXXX (FCC)
RT-BR broncolor (FCC, Canada IC, CE,
SRRC, Japan): 2.4GHz
RT-EL/PX Elinchrom and Phottix (FCC, Canada
IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX Godox (FCC, Canada IC, CE, SRRC,
Japan): 2.4GHz
Software
Manuals Operating Manual
Download DTS
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
* PocketWizard®is the registered trademark of LPA Design.
* broncolor®is the registered trademark of Bron Elektronik AG.
* Elinchrom is the registered trademark of Elinchrom SA.
* Phottix®is the registered trademark of Phottix Hong Kong Ltd.
* Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
* The contents of this manual may be subject to change for the product's specication modications
and other reasons without prior notice.

2[Ambient Light
F-stop Priority Mode
Measuring screen]
4[Ambient Light
HD Cine Mode
Measuring screen]
3[Ambient Light
TF Priority Mode
Measuring screen]
5[Ambient Light Cine
Mode Measuring screen]
6[Ambient Light Illuminance Mode
Measuring screen]
* In incident light mode
6[Ambient Light Luminance Mode
Measuring screen]
* In reected light mode
e[Flash Duration
Analysis Cordless Mode
Measuring screen]
g
[Flash Duration
Analysis Radio Triggering
Mode Measuring screen]
f[Flash Duration
Analysis Cord Mode
Measuring screen]
Switching between measured value screens (numeric value ⇔⇔
graph) in Flash duration analysis mode
[Flash Duration
Analysis Cordless Mode
Measuring screen]
[Flash Duration Analysis
Cordless Mode Optical
Waveform Graph screen]
d[HSS Flash Radio
Triggering Mode Measuring
Screen] (for RT-GX only)
Touching the
Measured
value area
changes the
display.
<Flash Mode>
No. Description of mode
7
Cordless ash mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
8
Cordless multi (cumulative) ash mode
Detects and accumulates ash brightness without meter-ash
connection after Measuring button pressed to arm meter for 90
seconds and ash red separately, and displays F-stop value.
9Cord ash mode
Detects ash brightness with synchro cord meter-ash connection,
and displays F-stop value.
0Cord multi (cumulative) ash mode
Detects and accumulates ash brightness with synchro cord meter-
ash connection, and displays F-stop value.
a
Radio triggering ash mode
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-stop value (When a transmitter sold separately is installed).
b
Radio triggering multi (cumulative) ash mode
Detects and accumulates ash brightness after Measuring button is
pressed to send radio transmitted signal to radio receiver connected
to ash. Displays F-stop value (When a transmitter sold separately
is installed).
7[Cordless Flash Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
Ambient light
(Orange)
For Flash
analyzing
display
Flash light
(Blue)
7
8
9
0
a
b
8.Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen
to display settings of functions frequently used.
No. Item name Description
1
Set Average/Contrast Function Selects On/Off.
2
Select Incident/Spot Selects the light receiving method (Incident/Spot).
3
Set Exposure Compensation Inputs a Exposure compensation value.
4
Set Filter Compensation Inputs a lter compensation value or select a lter.
5
Set Mid. Tone Sets or edits the Mid. Tone from the measurement
or memorized value.
6
Mid. Tone Clear Deletes Mid. tone value.
7
Mid. Tone Recall Recalls Mid. tone value.
8
Set Exposure Prole Selects an exposure prole.
9
Memory Clear Deletes measurements stored in the memory.
(Not displayed in multi ash mode.)
0
Memory Recall Redisplays data stored in the memory.
(Not displayed in multi ash mode.)
a
Multi Clear Deletes accumulated data. (Displayed in multi ash mode only.)
b
Number of Pre-ash Selects the number of times before pre-ashing is canceled.
c
Flash Duration Analysis t Value Inputs t value of Flash duration analysis.
d
Radio CH/Zone *1Selects a radio channel/zone.
e▼/▲
Moves to the previous or next page.
f
Close Closes Tool Box and returns to the Measuring screen.
*1 Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Tool Box screen]
Page 1
[Tool Box screen]
Page 2
0
b
c
d
1
2
3
5
6
8
f
9 a
e
f
4
7
ef
8[Cordless Multi
(Cumulative) Flash Mode
Measuring screen]
a[Radio Triggering
Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is not set)]
0[Cord Multi
(Cumulative) Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is set)]
9[Cord Flash Mode
Measuring screen]
b[Radio Triggering
Multi (Cumulative) Flash
Mode Measuring screen]
[When Flash analyzing
analog scale is On]
* Switching analog scales in Flash mode
Touching the scale changes the display.
9.Menu Screen and Custom Settings
The Menu screen enables you to previously customize or
edit the function or display settings.
Press the Menu button 9on the meter to display the screen.
* The "Radio System Preference" in the Custom Setting is only displayed
when a transmitter (sold separately) is installed.
[Menu screen]
Page 1
[Custom Setting screen]
Page 2
[Custom Setting screen]
Page 1
[Menu screen]
Page 2
[Custom Setting screen]
Page 3
[Custom Setting screen]
Page 4
*
<HSS Flash Mode/Flash Duration Analysis Mode>
No. Description of mode
c
HSS (High Speed Synchro) ash cordless mode
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
d
HSS (High Speed Synchro) ash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-Stop value (When a transmitter sold separately is installed).
e
Flash duration analysis cordless mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays ash duration time, graph of ash
wave form and F-stop value.
f
Flash duration analysis cord mode
Detects ash brightness with synchro cord meter-ash connection,
and displays ash duration time, graph of ash wave form and
F-stop value.
g
Flash duration analysis radio triggering mode
Detects ash brightness after Measuring button is pressed to
send radio transmitted signal to radio receiver connected to ash.
Displays ash duration time, graph of ash wave form and F-stop
value (When a transmitter sold separately is installed).
[Measuring Mode
Selection screen]
c[HSS Cordless Mode
Measuring screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
c
d
e
f
g
7-24-14, Oizumi-Gakuen-cho, Nerima-ku Tokyo 178-8686 JAPAN
TEL [phone] FAX [phone]
https://www.sekonic.com
JY1L97622
July 2020
Printed in Philippines
10 .Download
■ Operating Manual ■ Data Transfer Software (DTS)
Please visit www.sekonic.com to download the latest version
of DTS software and the operating manual as follows:
https://www.sekonic.com/
Support Manuals and Software Select "L-858D" or "L-858D-U"
Data Transfer Software for MAC / WINDOWS
■ Data Transfer Software (DTS)
■ Operating Manual
You can also use the URLs below for direct access to both DTS and the operating manual.
https://www.sekonic.com/support/downloads
11 .Optional Radio Transmitters
Sekonic makes ve radio transmitters for use with the L-858D that can be
purchased separately.
When purchasing and/or installing a radio transmitter, make sure that the
meter, transmitter and radio receiver are designed for use in your location
and have the proper frequency to comply with local broadcast regulations.
L-858D Serial #
Transmitter
Model #
Operating Frequency
JY11-XXXXXX (
Canada IC )
JY1L -XXXXXX (FCC) RT-20PW
PocketWizard (FCC & Canada IC):
344.0 to 354.00 MHz
JY11-XXXXXX (CE)
JY1 G -XXXXXX (NCC) RT-3PW PocketWizard (CE & NCC): 433.42 to
434.42MHz
JY10-XXXXXX (Japan)
JY11-XXXXXX (CE)
JY1
G -XXXXXX ( SRRC, NCC )
JY1L-XXXXXX (FCC)
RT-BR broncolor (FCC, Canada IC, CE,
SRRC, Japan): 2.4GHz
RT-EL/PX Elinchrom and Phottix (FCC, Canada
IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX Godox (FCC, Canada IC, CE, SRRC,
Japan): 2.4GHz
Software
Manuals Operating Manual
Download DTS
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
* PocketWizard®is the registered trademark of LPA Design.
* broncolor®is the registered trademark of Bron Elektronik AG.
* Elinchrom is the registered trademark of Elinchrom SA.
* Phottix®is the registered trademark of Phottix Hong Kong Ltd.
* Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
* The contents of this manual may be subject to change for the product's specication modications
and other reasons without prior notice.

2[Ambient Light
F-stop Priority Mode
Measuring screen]
4[Ambient Light
HD Cine Mode
Measuring screen]
3[Ambient Light
TF Priority Mode
Measuring screen]
5[Ambient Light Cine
Mode Measuring screen]
6[Ambient Light Illuminance Mode
Measuring screen]
* In incident light mode
6[Ambient Light Luminance Mode
Measuring screen]
* In reected light mode
e[Flash Duration
Analysis Cordless Mode
Measuring screen]
g
[Flash Duration
Analysis Radio Triggering
Mode Measuring screen]
f[Flash Duration
Analysis Cord Mode
Measuring screen]
Switching between measured value screens (numeric value ⇔⇔
graph) in Flash duration analysis mode
[Flash Duration
Analysis Cordless Mode
Measuring screen]
[Flash Duration Analysis
Cordless Mode Optical
Waveform Graph screen]
d[HSS Flash Radio
Triggering Mode Measuring
Screen] (for RT-GX only)
Touching the
Measured
value area
changes the
display.
<Flash Mode>
No. Description of mode
7
Cordless ash mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
8
Cordless multi (cumulative) ash mode
Detects and accumulates ash brightness without meter-ash
connection after Measuring button pressed to arm meter for 90
seconds and ash red separately, and displays F-stop value.
9Cord ash mode
Detects ash brightness with synchro cord meter-ash connection,
and displays F-stop value.
0Cord multi (cumulative) ash mode
Detects and accumulates ash brightness with synchro cord meter-
ash connection, and displays F-stop value.
a
Radio triggering ash mode
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-stop value (When a transmitter sold separately is installed).
b
Radio triggering multi (cumulative) ash mode
Detects and accumulates ash brightness after Measuring button is
pressed to send radio transmitted signal to radio receiver connected
to ash. Displays F-stop value (When a transmitter sold separately
is installed).
7[Cordless Flash Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
Ambient light
(Orange)
For Flash
analyzing
display
Flash light
(Blue)
7
8
9
0
a
b
8.Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen
to display settings of functions frequently used.
No. Item name Description
1
Set Average/Contrast Function Selects On/Off.
2
Select Incident/Spot Selects the light receiving method (Incident/Spot).
3
Set Exposure Compensation Inputs a Exposure compensation value.
4
Set Filter Compensation Inputs a lter compensation value or select a lter.
5
Set Mid. Tone Sets or edits the Mid. Tone from the measurement
or memorized value.
6
Mid. Tone Clear Deletes Mid. tone value.
7
Mid. Tone Recall Recalls Mid. tone value.
8
Set Exposure Prole Selects an exposure prole.
9
Memory Clear Deletes measurements stored in the memory.
(Not displayed in multi ash mode.)
0
Memory Recall Redisplays data stored in the memory.
(Not displayed in multi ash mode.)
a
Multi Clear Deletes accumulated data. (Displayed in multi ash mode only.)
b
Number of Pre-ash Selects the number of times before pre-ashing is canceled.
c
Flash Duration Analysis t Value Inputs t value of Flash duration analysis.
d
Radio CH/Zone *1Selects a radio channel/zone.
e▼/▲
Moves to the previous or next page.
f
Close Closes Tool Box and returns to the Measuring screen.
*1 Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Tool Box screen]
Page 1
[Tool Box screen]
Page 2
0
b
c
d
1
2
3
5
6
8
f
9 a
e
f
4
7
ef
8[Cordless Multi
(Cumulative) Flash Mode
Measuring screen]
a[Radio Triggering
Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is not set)]
0[Cord Multi
(Cumulative) Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is set)]
9[Cord Flash Mode
Measuring screen]
b[Radio Triggering
Multi (Cumulative) Flash
Mode Measuring screen]
[When Flash analyzing
analog scale is On]
* Switching analog scales in Flash mode
Touching the scale changes the display.
9.Menu Screen and Custom Settings
The Menu screen enables you to previously customize or
edit the function or display settings.
Press the Menu button 9on the meter to display the screen.
* The "Radio System Preference" in the Custom Setting is only displayed
when a transmitter (sold separately) is installed.
[Menu screen]
Page 1
[Custom Setting screen]
Page 2
[Custom Setting screen]
Page 1
[Menu screen]
Page 2
[Custom Setting screen]
Page 3
[Custom Setting screen]
Page 4
*
<HSS Flash Mode/Flash Duration Analysis Mode>
No. Description of mode
c
HSS (High Speed Synchro) ash cordless mode
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
d
HSS (High Speed Synchro) ash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-Stop value (When a transmitter sold separately is installed).
e
Flash duration analysis cordless mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays ash duration time, graph of ash
wave form and F-stop value.
f
Flash duration analysis cord mode
Detects ash brightness with synchro cord meter-ash connection,
and displays ash duration time, graph of ash wave form and
F-stop value.
g
Flash duration analysis radio triggering mode
Detects ash brightness after Measuring button is pressed to
send radio transmitted signal to radio receiver connected to ash.
Displays ash duration time, graph of ash wave form and F-stop
value (When a transmitter sold separately is installed).
[Measuring Mode
Selection screen]
c[HSS Cordless Mode
Measuring screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
c
d
e
f
g
7-24-14, Oizumi-Gakuen-cho, Nerima-ku Tokyo 178-8686 JAPAN
TEL [phone] FAX [phone]
https://www.sekonic.com
JY1L97622
July 2020
Printed in Philippines
10 .Download
■ Operating Manual ■ Data Transfer Software (DTS)
Please visit www.sekonic.com to download the latest version
of DTS software and the operating manual as follows:
https://www.sekonic.com/
Support Manuals and Software Select "L-858D" or "L-858D-U"
Data Transfer Software for MAC / WINDOWS
■ Data Transfer Software (DTS)
■ Operating Manual
You can also use the URLs below for direct access to both DTS and the operating manual.
https://www.sekonic.com/support/downloads
11 .Optional Radio Transmitters
Sekonic makes ve radio transmitters for use with the L-858D that can be
purchased separately.
When purchasing and/or installing a radio transmitter, make sure that the
meter, transmitter and radio receiver are designed for use in your location
and have the proper frequency to comply with local broadcast regulations.
L-858D Serial #
Transmitter
Model #
Operating Frequency
JY11-XXXXXX (
Canada IC )
JY1L -XXXXXX (FCC) RT-20PW
PocketWizard (FCC & Canada IC):
344.0 to 354.00 MHz
JY11-XXXXXX (CE)
JY1 G -XXXXXX (NCC) RT-3PW PocketWizard (CE & NCC): 433.42 to
434.42MHz
JY10-XXXXXX (Japan)
JY11-XXXXXX (CE)
JY1
G -XXXXXX ( SRRC, NCC )
JY1L-XXXXXX (FCC)
RT-BR broncolor (FCC, Canada IC, CE,
SRRC, Japan): 2.4GHz
RT-EL/PX Elinchrom and Phottix (FCC, Canada
IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX Godox (FCC, Canada IC, CE, SRRC,
Japan): 2.4GHz
Software
Manuals Operating Manual
Download DTS
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
* PocketWizard®is the registered trademark of LPA Design.
* broncolor®is the registered trademark of Bron Elektronik AG.
* Elinchrom is the registered trademark of Elinchrom SA.
* Phottix®is the registered trademark of Phottix Hong Kong Ltd.
* Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
* The contents of this manual may be subject to change for the product's specication modications
and other reasons without prior notice.

2[Ambient Light
F-stop Priority Mode
Measuring screen]
4[Ambient Light
HD Cine Mode
Measuring screen]
3[Ambient Light
TF Priority Mode
Measuring screen]
5[Ambient Light Cine
Mode Measuring screen]
6[Ambient Light Illuminance Mode
Measuring screen]
* In incident light mode
6[Ambient Light Luminance Mode
Measuring screen]
* In reected light mode
e[Flash Duration
Analysis Cordless Mode
Measuring screen]
g
[Flash Duration
Analysis Radio Triggering
Mode Measuring screen]
f[Flash Duration
Analysis Cord Mode
Measuring screen]
Switching between measured value screens (numeric value ⇔⇔
graph) in Flash duration analysis mode
[Flash Duration
Analysis Cordless Mode
Measuring screen]
[Flash Duration Analysis
Cordless Mode Optical
Waveform Graph screen]
d[HSS Flash Radio
Triggering Mode Measuring
Screen] (for RT-GX only)
Touching the
Measured
value area
changes the
display.
<Flash Mode>
No. Description of mode
7
Cordless ash mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
8
Cordless multi (cumulative) ash mode
Detects and accumulates ash brightness without meter-ash
connection after Measuring button pressed to arm meter for 90
seconds and ash red separately, and displays F-stop value.
9Cord ash mode
Detects ash brightness with synchro cord meter-ash connection,
and displays F-stop value.
0Cord multi (cumulative) ash mode
Detects and accumulates ash brightness with synchro cord meter-
ash connection, and displays F-stop value.
a
Radio triggering ash mode
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-stop value (When a transmitter sold separately is installed).
b
Radio triggering multi (cumulative) ash mode
Detects and accumulates ash brightness after Measuring button is
pressed to send radio transmitted signal to radio receiver connected
to ash. Displays F-stop value (When a transmitter sold separately
is installed).
7[Cordless Flash Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
Ambient light
(Orange)
For Flash
analyzing
display
Flash light
(Blue)
7
8
9
0
a
b
8.Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen
to display settings of functions frequently used.
No. Item name Description
1
Set Average/Contrast Function Selects On/Off.
2
Select Incident/Spot Selects the light receiving method (Incident/Spot).
3
Set Exposure Compensation Inputs a Exposure compensation value.
4
Set Filter Compensation Inputs a lter compensation value or select a lter.
5
Set Mid. Tone Sets or edits the Mid. Tone from the measurement
or memorized value.
6
Mid. Tone Clear Deletes Mid. tone value.
7
Mid. Tone Recall Recalls Mid. tone value.
8
Set Exposure Prole Selects an exposure prole.
9
Memory Clear Deletes measurements stored in the memory.
(Not displayed in multi ash mode.)
0
Memory Recall Redisplays data stored in the memory.
(Not displayed in multi ash mode.)
a
Multi Clear Deletes accumulated data. (Displayed in multi ash mode only.)
b
Number of Pre-ash Selects the number of times before pre-ashing is canceled.
c
Flash Duration Analysis t Value Inputs t value of Flash duration analysis.
d
Radio CH/Zone *1Selects a radio channel/zone.
e▼/▲
Moves to the previous or next page.
f
Close Closes Tool Box and returns to the Measuring screen.
*1 Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Tool Box screen]
Page 1
[Tool Box screen]
Page 2
0
b
c
d
1
2
3
5
6
8
f
9 a
e
f
4
7
ef
8[Cordless Multi
(Cumulative) Flash Mode
Measuring screen]
a[Radio Triggering
Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is not set)]
0[Cord Multi
(Cumulative) Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is set)]
9[Cord Flash Mode
Measuring screen]
b[Radio Triggering
Multi (Cumulative) Flash
Mode Measuring screen]
[When Flash analyzing
analog scale is On]
* Switching analog scales in Flash mode
Touching the scale changes the display.
9.Menu Screen and Custom Settings
The Menu screen enables you to previously customize or
edit the function or display settings.
Press the Menu button 9on the meter to display the screen.
* The "Radio System Preference" in the Custom Setting is only displayed
when a transmitter (sold separately) is installed.
[Menu screen]
Page 1
[Custom Setting screen]
Page 2
[Custom Setting screen]
Page 1
[Menu screen]
Page 2
[Custom Setting screen]
Page 3
[Custom Setting screen]
Page 4
*
<HSS Flash Mode/Flash Duration Analysis Mode>
No. Description of mode
c
HSS (High Speed Synchro) ash cordless mode
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
d
HSS (High Speed Synchro) ash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-Stop value (When a transmitter sold separately is installed).
e
Flash duration analysis cordless mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays ash duration time, graph of ash
wave form and F-stop value.
f
Flash duration analysis cord mode
Detects ash brightness with synchro cord meter-ash connection,
and displays ash duration time, graph of ash wave form and
F-stop value.
g
Flash duration analysis radio triggering mode
Detects ash brightness after Measuring button is pressed to
send radio transmitted signal to radio receiver connected to ash.
Displays ash duration time, graph of ash wave form and F-stop
value (When a transmitter sold separately is installed).
[Measuring Mode
Selection screen]
c[HSS Cordless Mode
Measuring screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
c
d
e
f
g
7-24-14, Oizumi-Gakuen-cho, Nerima-ku Tokyo 178-8686 JAPAN
TEL [phone] FAX [phone]
https://www.sekonic.com
JY1L97622
July 2020
Printed in Philippines
10 .Download
■ Operating Manual ■ Data Transfer Software (DTS)
Please visit www.sekonic.com to download the latest version
of DTS software and the operating manual as follows:
https://www.sekonic.com/
Support Manuals and Software Select "L-858D" or "L-858D-U"
Data Transfer Software for MAC / WINDOWS
■ Data Transfer Software (DTS)
■ Operating Manual
You can also use the URLs below for direct access to both DTS and the operating manual.
https://www.sekonic.com/support/downloads
11 .Optional Radio Transmitters
Sekonic makes ve radio transmitters for use with the L-858D that can be
purchased separately.
When purchasing and/or installing a radio transmitter, make sure that the
meter, transmitter and radio receiver are designed for use in your location
and have the proper frequency to comply with local broadcast regulations.
L-858D Serial #
Transmitter
Model #
Operating Frequency
JY11-XXXXXX (
Canada IC )
JY1L -XXXXXX (FCC) RT-20PW
PocketWizard (FCC & Canada IC):
344.0 to 354.00 MHz
JY11-XXXXXX (CE)
JY1 G -XXXXXX (NCC) RT-3PW PocketWizard (CE & NCC): 433.42 to
434.42MHz
JY10-XXXXXX (Japan)
JY11-XXXXXX (CE)
JY1
G -XXXXXX ( SRRC, NCC )
JY1L-XXXXXX (FCC)
RT-BR broncolor (FCC, Canada IC, CE,
SRRC, Japan): 2.4GHz
RT-EL/PX Elinchrom and Phottix (FCC, Canada
IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX Godox (FCC, Canada IC, CE, SRRC,
Japan): 2.4GHz
Software
Manuals Operating Manual
Download DTS
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
* PocketWizard®is the registered trademark of LPA Design.
* broncolor®is the registered trademark of Bron Elektronik AG.
* Elinchrom is the registered trademark of Elinchrom SA.
* Phottix®is the registered trademark of Phottix Hong Kong Ltd.
* Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
* The contents of this manual may be subject to change for the product's specication modications
and other reasons without prior notice.

2[Ambient Light
F-stop Priority Mode
Measuring screen]
4[Ambient Light
HD Cine Mode
Measuring screen]
3[Ambient Light
TF Priority Mode
Measuring screen]
5[Ambient Light Cine
Mode Measuring screen]
6[Ambient Light Illuminance Mode
Measuring screen]
* In incident light mode
6[Ambient Light Luminance Mode
Measuring screen]
* In reected light mode
e[Flash Duration
Analysis Cordless Mode
Measuring screen]
g
[Flash Duration
Analysis Radio Triggering
Mode Measuring screen]
f[Flash Duration
Analysis Cord Mode
Measuring screen]
Switching between measured value screens (numeric value ⇔⇔
graph) in Flash duration analysis mode
[Flash Duration
Analysis Cordless Mode
Measuring screen]
[Flash Duration Analysis
Cordless Mode Optical
Waveform Graph screen]
d[HSS Flash Radio
Triggering Mode Measuring
Screen] (for RT-GX only)
Touching the
Measured
value area
changes the
display.
<Flash Mode>
No. Description of mode
7
Cordless ash mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
8
Cordless multi (cumulative) ash mode
Detects and accumulates ash brightness without meter-ash
connection after Measuring button pressed to arm meter for 90
seconds and ash red separately, and displays F-stop value.
9Cord ash mode
Detects ash brightness with synchro cord meter-ash connection,
and displays F-stop value.
0Cord multi (cumulative) ash mode
Detects and accumulates ash brightness with synchro cord meter-
ash connection, and displays F-stop value.
a
Radio triggering ash mode
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-stop value (When a transmitter sold separately is installed).
b
Radio triggering multi (cumulative) ash mode
Detects and accumulates ash brightness after Measuring button is
pressed to send radio transmitted signal to radio receiver connected
to ash. Displays F-stop value (When a transmitter sold separately
is installed).
7[Cordless Flash Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
Ambient light
(Orange)
For Flash
analyzing
display
Flash light
(Blue)
7
8
9
0
a
b
8.Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen
to display settings of functions frequently used.
No. Item name Description
1
Set Average/Contrast Function Selects On/Off.
2
Select Incident/Spot Selects the light receiving method (Incident/Spot).
3
Set Exposure Compensation Inputs a Exposure compensation value.
4
Set Filter Compensation Inputs a lter compensation value or select a lter.
5
Set Mid. Tone Sets or edits the Mid. Tone from the measurement
or memorized value.
6
Mid. Tone Clear Deletes Mid. tone value.
7
Mid. Tone Recall Recalls Mid. tone value.
8
Set Exposure Prole Selects an exposure prole.
9
Memory Clear Deletes measurements stored in the memory.
(Not displayed in multi ash mode.)
0
Memory Recall Redisplays data stored in the memory.
(Not displayed in multi ash mode.)
a
Multi Clear Deletes accumulated data. (Displayed in multi ash mode only.)
b
Number of Pre-ash Selects the number of times before pre-ashing is canceled.
c
Flash Duration Analysis t Value Inputs t value of Flash duration analysis.
d
Radio CH/Zone *1Selects a radio channel/zone.
e▼/▲
Moves to the previous or next page.
f
Close Closes Tool Box and returns to the Measuring screen.
*1 Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Tool Box screen]
Page 1
[Tool Box screen]
Page 2
0
b
c
d
1
2
3
5
6
8
f
9 a
e
f
4
7
ef
8[Cordless Multi
(Cumulative) Flash Mode
Measuring screen]
a[Radio Triggering
Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is not set)]
0[Cord Multi
(Cumulative) Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is set)]
9[Cord Flash Mode
Measuring screen]
b[Radio Triggering
Multi (Cumulative) Flash
Mode Measuring screen]
[When Flash analyzing
analog scale is On]
* Switching analog scales in Flash mode
Touching the scale changes the display.
9.Menu Screen and Custom Settings
The Menu screen enables you to previously customize or
edit the function or display settings.
Press the Menu button 9on the meter to display the screen.
* The "Radio System Preference" in the Custom Setting is only displayed
when a transmitter (sold separately) is installed.
[Menu screen]
Page 1
[Custom Setting screen]
Page 2
[Custom Setting screen]
Page 1
[Menu screen]
Page 2
[Custom Setting screen]
Page 3
[Custom Setting screen]
Page 4
*
<HSS Flash Mode/Flash Duration Analysis Mode>
No. Description of mode
c
HSS (High Speed Synchro) ash cordless mode
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
d
HSS (High Speed Synchro) ash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-Stop value (When a transmitter sold separately is installed).
e
Flash duration analysis cordless mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays ash duration time, graph of ash
wave form and F-stop value.
f
Flash duration analysis cord mode
Detects ash brightness with synchro cord meter-ash connection,
and displays ash duration time, graph of ash wave form and
F-stop value.
g
Flash duration analysis radio triggering mode
Detects ash brightness after Measuring button is pressed to
send radio transmitted signal to radio receiver connected to ash.
Displays ash duration time, graph of ash wave form and F-stop
value (When a transmitter sold separately is installed).
[Measuring Mode
Selection screen]
c[HSS Cordless Mode
Measuring screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
c
d
e
f
g
7-24-14, Oizumi-Gakuen-cho, Nerima-ku Tokyo 178-8686 JAPAN
TEL [phone] FAX [phone]
https://www.sekonic.com
JY1L97622
July 2020
Printed in Philippines
10 .Download
■ Operating Manual ■ Data Transfer Software (DTS)
Please visit www.sekonic.com to download the latest version
of DTS software and the operating manual as follows:
https://www.sekonic.com/
Support Manuals and Software Select "L-858D" or "L-858D-U"
Data Transfer Software for MAC / WINDOWS
■ Data Transfer Software (DTS)
■ Operating Manual
You can also use the URLs below for direct access to both DTS and the operating manual.
https://www.sekonic.com/support/downloads
11 .Optional Radio Transmitters
Sekonic makes ve radio transmitters for use with the L-858D that can be
purchased separately.
When purchasing and/or installing a radio transmitter, make sure that the
meter, transmitter and radio receiver are designed for use in your location
and have the proper frequency to comply with local broadcast regulations.
L-858D Serial #
Transmitter
Model #
Operating Frequency
JY11-XXXXXX (
Canada IC )
JY1L -XXXXXX (FCC) RT-20PW
PocketWizard (FCC & Canada IC):
344.0 to 354.00 MHz
JY11-XXXXXX (CE)
JY1 G -XXXXXX (NCC) RT-3PW PocketWizard (CE & NCC): 433.42 to
434.42MHz
JY10-XXXXXX (Japan)
JY11-XXXXXX (CE)
JY1
G -XXXXXX ( SRRC, NCC )
JY1L-XXXXXX (FCC)
RT-BR broncolor (FCC, Canada IC, CE,
SRRC, Japan): 2.4GHz
RT-EL/PX Elinchrom and Phottix (FCC, Canada
IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX Godox (FCC, Canada IC, CE, SRRC,
Japan): 2.4GHz
Software
Manuals Operating Manual
Download DTS
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
* PocketWizard®is the registered trademark of LPA Design.
* broncolor®is the registered trademark of Bron Elektronik AG.
* Elinchrom is the registered trademark of Elinchrom SA.
* Phottix®is the registered trademark of Phottix Hong Kong Ltd.
* Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
* The contents of this manual may be subject to change for the product's specication modications
and other reasons without prior notice.

2[Ambient Light
F-stop Priority Mode
Measuring screen]
4[Ambient Light
HD Cine Mode
Measuring screen]
3[Ambient Light
TF Priority Mode
Measuring screen]
5[Ambient Light Cine
Mode Measuring screen]
6[Ambient Light Illuminance Mode
Measuring screen]
* In incident light mode
6[Ambient Light Luminance Mode
Measuring screen]
* In reected light mode
e[Flash Duration
Analysis Cordless Mode
Measuring screen]
g
[Flash Duration
Analysis Radio Triggering
Mode Measuring screen]
f[Flash Duration
Analysis Cord Mode
Measuring screen]
Switching between measured value screens (numeric value ⇔⇔
graph) in Flash duration analysis mode
[Flash Duration
Analysis Cordless Mode
Measuring screen]
[Flash Duration Analysis
Cordless Mode Optical
Waveform Graph screen]
d[HSS Flash Radio
Triggering Mode Measuring
Screen] (for RT-GX only)
Touching the
Measured
value area
changes the
display.
<Flash Mode>
No. Description of mode
7
Cordless ash mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
8
Cordless multi (cumulative) ash mode
Detects and accumulates ash brightness without meter-ash
connection after Measuring button pressed to arm meter for 90
seconds and ash red separately, and displays F-stop value.
9Cord ash mode
Detects ash brightness with synchro cord meter-ash connection,
and displays F-stop value.
0Cord multi (cumulative) ash mode
Detects and accumulates ash brightness with synchro cord meter-
ash connection, and displays F-stop value.
a
Radio triggering ash mode
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-stop value (When a transmitter sold separately is installed).
b
Radio triggering multi (cumulative) ash mode
Detects and accumulates ash brightness after Measuring button is
pressed to send radio transmitted signal to radio receiver connected
to ash. Displays F-stop value (When a transmitter sold separately
is installed).
7[Cordless Flash Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
Ambient light
(Orange)
For Flash
analyzing
display
Flash light
(Blue)
7
8
9
0
a
b
8.Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen
to display settings of functions frequently used.
No. Item name Description
1
Set Average/Contrast Function Selects On/Off.
2
Select Incident/Spot Selects the light receiving method (Incident/Spot).
3
Set Exposure Compensation Inputs a Exposure compensation value.
4
Set Filter Compensation Inputs a lter compensation value or select a lter.
5
Set Mid. Tone Sets or edits the Mid. Tone from the measurement
or memorized value.
6
Mid. Tone Clear Deletes Mid. tone value.
7
Mid. Tone Recall Recalls Mid. tone value.
8
Set Exposure Prole Selects an exposure prole.
9
Memory Clear Deletes measurements stored in the memory.
(Not displayed in multi ash mode.)
0
Memory Recall Redisplays data stored in the memory.
(Not displayed in multi ash mode.)
a
Multi Clear Deletes accumulated data. (Displayed in multi ash mode only.)
b
Number of Pre-ash Selects the number of times before pre-ashing is canceled.
c
Flash Duration Analysis t Value Inputs t value of Flash duration analysis.
d
Radio CH/Zone *1Selects a radio channel/zone.
e▼/▲
Moves to the previous or next page.
f
Close Closes Tool Box and returns to the Measuring screen.
*1 Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Tool Box screen]
Page 1
[Tool Box screen]
Page 2
0
b
c
d
1
2
3
5
6
8
f
9 a
e
f
4
7
ef
8[Cordless Multi
(Cumulative) Flash Mode
Measuring screen]
a[Radio Triggering
Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is not set)]
0[Cord Multi
(Cumulative) Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is set)]
9[Cord Flash Mode
Measuring screen]
b[Radio Triggering
Multi (Cumulative) Flash
Mode Measuring screen]
[When Flash analyzing
analog scale is On]
* Switching analog scales in Flash mode
Touching the scale changes the display.
9.Menu Screen and Custom Settings
The Menu screen enables you to previously customize or
edit the function or display settings.
Press the Menu button 9on the meter to display the screen.
* The "Radio System Preference" in the Custom Setting is only displayed
when a transmitter (sold separately) is installed.
[Menu screen]
Page 1
[Custom Setting screen]
Page 2
[Custom Setting screen]
Page 1
[Menu screen]
Page 2
[Custom Setting screen]
Page 3
[Custom Setting screen]
Page 4
*
<HSS Flash Mode/Flash Duration Analysis Mode>
No. Description of mode
c
HSS (High Speed Synchro) ash cordless mode
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
d
HSS (High Speed Synchro) ash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-Stop value (When a transmitter sold separately is installed).
e
Flash duration analysis cordless mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays ash duration time, graph of ash
wave form and F-stop value.
f
Flash duration analysis cord mode
Detects ash brightness with synchro cord meter-ash connection,
and displays ash duration time, graph of ash wave form and
F-stop value.
g
Flash duration analysis radio triggering mode
Detects ash brightness after Measuring button is pressed to
send radio transmitted signal to radio receiver connected to ash.
Displays ash duration time, graph of ash wave form and F-stop
value (When a transmitter sold separately is installed).
[Measuring Mode
Selection screen]
c[HSS Cordless Mode
Measuring screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
c
d
e
f
g
7-24-14, Oizumi-Gakuen-cho, Nerima-ku Tokyo 178-8686 JAPAN
TEL [phone] FAX [phone]
https://www.sekonic.com
JY1L97622
July 2020
Printed in Philippines
10 .Download
■ Operating Manual ■ Data Transfer Software (DTS)
Please visit www.sekonic.com to download the latest version
of DTS software and the operating manual as follows:
https://www.sekonic.com/
Support Manuals and Software Select "L-858D" or "L-858D-U"
Data Transfer Software for MAC / WINDOWS
■ Data Transfer Software (DTS)
■ Operating Manual
You can also use the URLs below for direct access to both DTS and the operating manual.
https://www.sekonic.com/support/downloads
11 .Optional Radio Transmitters
Sekonic makes ve radio transmitters for use with the L-858D that can be
purchased separately.
When purchasing and/or installing a radio transmitter, make sure that the
meter, transmitter and radio receiver are designed for use in your location
and have the proper frequency to comply with local broadcast regulations.
L-858D Serial #
Transmitter
Model #
Operating Frequency
JY11-XXXXXX (
Canada IC )
JY1L -XXXXXX (FCC) RT-20PW
PocketWizard (FCC & Canada IC):
344.0 to 354.00 MHz
JY11-XXXXXX (CE)
JY1 G -XXXXXX (NCC) RT-3PW PocketWizard (CE & NCC): 433.42 to
434.42MHz
JY10-XXXXXX (Japan)
JY11-XXXXXX (CE)
JY1
G -XXXXXX ( SRRC, NCC )
JY1L-XXXXXX (FCC)
RT-BR broncolor (FCC, Canada IC, CE,
SRRC, Japan): 2.4GHz
RT-EL/PX Elinchrom and Phottix (FCC, Canada
IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX Godox (FCC, Canada IC, CE, SRRC,
Japan): 2.4GHz
Software
Manuals Operating Manual
Download DTS
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
* PocketWizard®is the registered trademark of LPA Design.
* broncolor®is the registered trademark of Bron Elektronik AG.
* Elinchrom is the registered trademark of Elinchrom SA.
* Phottix®is the registered trademark of Phottix Hong Kong Ltd.
* Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
* The contents of this manual may be subject to change for the product's specication modications
and other reasons without prior notice.

2[Ambient Light
F-stop Priority Mode
Measuring screen]
4[Ambient Light
HD Cine Mode
Measuring screen]
3[Ambient Light
TF Priority Mode
Measuring screen]
5[Ambient Light Cine
Mode Measuring screen]
6[Ambient Light Illuminance Mode
Measuring screen]
* In incident light mode
6[Ambient Light Luminance Mode
Measuring screen]
* In reected light mode
e[Flash Duration
Analysis Cordless Mode
Measuring screen]
g
[Flash Duration
Analysis Radio Triggering
Mode Measuring screen]
f[Flash Duration
Analysis Cord Mode
Measuring screen]
Switching between measured value screens (numeric value ⇔⇔
graph) in Flash duration analysis mode
[Flash Duration
Analysis Cordless Mode
Measuring screen]
[Flash Duration Analysis
Cordless Mode Optical
Waveform Graph screen]
d[HSS Flash Radio
Triggering Mode Measuring
Screen] (for RT-GX only)
Touching the
Measured
value area
changes the
display.
<Flash Mode>
No. Description of mode
7
Cordless ash mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
8
Cordless multi (cumulative) ash mode
Detects and accumulates ash brightness without meter-ash
connection after Measuring button pressed to arm meter for 90
seconds and ash red separately, and displays F-stop value.
9Cord ash mode
Detects ash brightness with synchro cord meter-ash connection,
and displays F-stop value.
0Cord multi (cumulative) ash mode
Detects and accumulates ash brightness with synchro cord meter-
ash connection, and displays F-stop value.
a
Radio triggering ash mode
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-stop value (When a transmitter sold separately is installed).
b
Radio triggering multi (cumulative) ash mode
Detects and accumulates ash brightness after Measuring button is
pressed to send radio transmitted signal to radio receiver connected
to ash. Displays F-stop value (When a transmitter sold separately
is installed).
7[Cordless Flash Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
Ambient light
(Orange)
For Flash
analyzing
display
Flash light
(Blue)
7
8
9
0
a
b
8.Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen
to display settings of functions frequently used.
No. Item name Description
1
Set Average/Contrast Function Selects On/Off.
2
Select Incident/Spot Selects the light receiving method (Incident/Spot).
3
Set Exposure Compensation Inputs a Exposure compensation value.
4
Set Filter Compensation Inputs a lter compensation value or select a lter.
5
Set Mid. Tone Sets or edits the Mid. Tone from the measurement
or memorized value.
6
Mid. Tone Clear Deletes Mid. tone value.
7
Mid. Tone Recall Recalls Mid. tone value.
8
Set Exposure Prole Selects an exposure prole.
9
Memory Clear Deletes measurements stored in the memory.
(Not displayed in multi ash mode.)
0
Memory Recall Redisplays data stored in the memory.
(Not displayed in multi ash mode.)
a
Multi Clear Deletes accumulated data. (Displayed in multi ash mode only.)
b
Number of Pre-ash Selects the number of times before pre-ashing is canceled.
c
Flash Duration Analysis t Value Inputs t value of Flash duration analysis.
d
Radio CH/Zone *1Selects a radio channel/zone.
e▼/▲
Moves to the previous or next page.
f
Close Closes Tool Box and returns to the Measuring screen.
*1 Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Tool Box screen]
Page 1
[Tool Box screen]
Page 2
0
b
c
d
1
2
3
5
6
8
f
9 a
e
f
4
7
ef
8[Cordless Multi
(Cumulative) Flash Mode
Measuring screen]
a[Radio Triggering
Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is not set)]
0[Cord Multi
(Cumulative) Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is set)]
9[Cord Flash Mode
Measuring screen]
b[Radio Triggering
Multi (Cumulative) Flash
Mode Measuring screen]
[When Flash analyzing
analog scale is On]
* Switching analog scales in Flash mode
Touching the scale changes the display.
9.Menu Screen and Custom Settings
The Menu screen enables you to previously customize or
edit the function or display settings.
Press the Menu button 9on the meter to display the screen.
* The "Radio System Preference" in the Custom Setting is only displayed
when a transmitter (sold separately) is installed.
[Menu screen]
Page 1
[Custom Setting screen]
Page 2
[Custom Setting screen]
Page 1
[Menu screen]
Page 2
[Custom Setting screen]
Page 3
[Custom Setting screen]
Page 4
*
<HSS Flash Mode/Flash Duration Analysis Mode>
No. Description of mode
c
HSS (High Speed Synchro) ash cordless mode
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
d
HSS (High Speed Synchro) ash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-Stop value (When a transmitter sold separately is installed).
e
Flash duration analysis cordless mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays ash duration time, graph of ash
wave form and F-stop value.
f
Flash duration analysis cord mode
Detects ash brightness with synchro cord meter-ash connection,
and displays ash duration time, graph of ash wave form and
F-stop value.
g
Flash duration analysis radio triggering mode
Detects ash brightness after Measuring button is pressed to
send radio transmitted signal to radio receiver connected to ash.
Displays ash duration time, graph of ash wave form and F-stop
value (When a transmitter sold separately is installed).
[Measuring Mode
Selection screen]
c[HSS Cordless Mode
Measuring screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
c
d
e
f
g
7-24-14, Oizumi-Gakuen-cho, Nerima-ku Tokyo 178-8686 JAPAN
TEL [phone] FAX [phone]
https://www.sekonic.com
JY1L97622
July 2020
Printed in Philippines
10 .Download
■ Operating Manual ■ Data Transfer Software (DTS)
Please visit www.sekonic.com to download the latest version
of DTS software and the operating manual as follows:
https://www.sekonic.com/
Support Manuals and Software Select "L-858D" or "L-858D-U"
Data Transfer Software for MAC / WINDOWS
■ Data Transfer Software (DTS)
■ Operating Manual
You can also use the URLs below for direct access to both DTS and the operating manual.
https://www.sekonic.com/support/downloads
11 .Optional Radio Transmitters
Sekonic makes ve radio transmitters for use with the L-858D that can be
purchased separately.
When purchasing and/or installing a radio transmitter, make sure that the
meter, transmitter and radio receiver are designed for use in your location
and have the proper frequency to comply with local broadcast regulations.
L-858D Serial #
Transmitter
Model #
Operating Frequency
JY11-XXXXXX (
Canada IC )
JY1L -XXXXXX (FCC) RT-20PW
PocketWizard (FCC & Canada IC):
344.0 to 354.00 MHz
JY11-XXXXXX (CE)
JY1 G -XXXXXX (NCC) RT-3PW PocketWizard (CE & NCC): 433.42 to
434.42MHz
JY10-XXXXXX (Japan)
JY11-XXXXXX (CE)
JY1
G -XXXXXX ( SRRC, NCC )
JY1L-XXXXXX (FCC)
RT-BR broncolor (FCC, Canada IC, CE,
SRRC, Japan): 2.4GHz
RT-EL/PX Elinchrom and Phottix (FCC, Canada
IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX Godox (FCC, Canada IC, CE, SRRC,
Japan): 2.4GHz
Software
Manuals Operating Manual
Download DTS
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
* PocketWizard®is the registered trademark of LPA Design.
* broncolor®is the registered trademark of Bron Elektronik AG.
* Elinchrom is the registered trademark of Elinchrom SA.
* Phottix®is the registered trademark of Phottix Hong Kong Ltd.
* Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
* The contents of this manual may be subject to change for the product's specication modications
and other reasons without prior notice.

2[Ambient Light
F-stop Priority Mode
Measuring screen]
4[Ambient Light
HD Cine Mode
Measuring screen]
3[Ambient Light
TF Priority Mode
Measuring screen]
5[Ambient Light Cine
Mode Measuring screen]
6[Ambient Light Illuminance Mode
Measuring screen]
* In incident light mode
6[Ambient Light Luminance Mode
Measuring screen]
* In reected light mode
e[Flash Duration
Analysis Cordless Mode
Measuring screen]
g
[Flash Duration
Analysis Radio Triggering
Mode Measuring screen]
f[Flash Duration
Analysis Cord Mode
Measuring screen]
Switching between measured value screens (numeric value ⇔⇔
graph) in Flash duration analysis mode
[Flash Duration
Analysis Cordless Mode
Measuring screen]
[Flash Duration Analysis
Cordless Mode Optical
Waveform Graph screen]
d[HSS Flash Radio
Triggering Mode Measuring
Screen] (for RT-GX only)
Touching the
Measured
value area
changes the
display.
<Flash Mode>
No. Description of mode
7
Cordless ash mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
8
Cordless multi (cumulative) ash mode
Detects and accumulates ash brightness without meter-ash
connection after Measuring button pressed to arm meter for 90
seconds and ash red separately, and displays F-stop value.
9Cord ash mode
Detects ash brightness with synchro cord meter-ash connection,
and displays F-stop value.
0Cord multi (cumulative) ash mode
Detects and accumulates ash brightness with synchro cord meter-
ash connection, and displays F-stop value.
a
Radio triggering ash mode
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-stop value (When a transmitter sold separately is installed).
b
Radio triggering multi (cumulative) ash mode
Detects and accumulates ash brightness after Measuring button is
pressed to send radio transmitted signal to radio receiver connected
to ash. Displays F-stop value (When a transmitter sold separately
is installed).
7[Cordless Flash Mode
Measuring screen]
[Measuring Mode
Selection screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
Ambient light
(Orange)
For Flash
analyzing
display
Flash light
(Blue)
7
8
9
0
a
b
8.Tool Box
Touch the [Tool Box] icon ( ) on the Measuring screen
to display settings of functions frequently used.
No. Item name Description
1
Set Average/Contrast Function Selects On/Off.
2
Select Incident/Spot Selects the light receiving method (Incident/Spot).
3
Set Exposure Compensation Inputs a Exposure compensation value.
4
Set Filter Compensation Inputs a lter compensation value or select a lter.
5
Set Mid. Tone Sets or edits the Mid. Tone from the measurement
or memorized value.
6
Mid. Tone Clear Deletes Mid. tone value.
7
Mid. Tone Recall Recalls Mid. tone value.
8
Set Exposure Prole Selects an exposure prole.
9
Memory Clear Deletes measurements stored in the memory.
(Not displayed in multi ash mode.)
0
Memory Recall Redisplays data stored in the memory.
(Not displayed in multi ash mode.)
a
Multi Clear Deletes accumulated data. (Displayed in multi ash mode only.)
b
Number of Pre-ash Selects the number of times before pre-ashing is canceled.
c
Flash Duration Analysis t Value Inputs t value of Flash duration analysis.
d
Radio CH/Zone *1Selects a radio channel/zone.
e▼/▲
Moves to the previous or next page.
f
Close Closes Tool Box and returns to the Measuring screen.
*1 Content to be displayed differs depending on which transmitter (sold separately) is installed.
[Tool Box screen]
Page 1
[Tool Box screen]
Page 2
0
b
c
d
1
2
3
5
6
8
f
9 a
e
f
4
7
ef
8[Cordless Multi
(Cumulative) Flash Mode
Measuring screen]
a[Radio Triggering
Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is not set)]
0[Cord Multi
(Cumulative) Flash Mode
Measuring screen]
[When Flash analyzing
analog scale is Off
(Mid. tone is set)]
9[Cord Flash Mode
Measuring screen]
b[Radio Triggering
Multi (Cumulative) Flash
Mode Measuring screen]
[When Flash analyzing
analog scale is On]
* Switching analog scales in Flash mode
Touching the scale changes the display.
9.Menu Screen and Custom Settings
The Menu screen enables you to previously customize or
edit the function or display settings.
Press the Menu button 9on the meter to display the screen.
* The "Radio System Preference" in the Custom Setting is only displayed
when a transmitter (sold separately) is installed.
[Menu screen]
Page 1
[Custom Setting screen]
Page 2
[Custom Setting screen]
Page 1
[Menu screen]
Page 2
[Custom Setting screen]
Page 3
[Custom Setting screen]
Page 4
*
<HSS Flash Mode/Flash Duration Analysis Mode>
No. Description of mode
c
HSS (High Speed Synchro) ash cordless mode
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays F-stop value.
d
HSS (High Speed Synchro) ash radio triggering mode (for RT-GX only)
Select this mode to measure the brightness of a ash activated in
HSS (High Speed Synchro) mode.
Detects ash brightness after Measuring button is pressed to send
radio transmitted signal to radio receiver connected to ash. Displays
F-Stop value (When a transmitter sold separately is installed).
e
Flash duration analysis cordless mode
Detects ash brightness without meter-ash connection after
Measuring button pressed to arm meter for 90 seconds and ash
red separately, and displays ash duration time, graph of ash
wave form and F-stop value.
f
Flash duration analysis cord mode
Detects ash brightness with synchro cord meter-ash connection,
and displays ash duration time, graph of ash wave form and
F-stop value.
g
Flash duration analysis radio triggering mode
Detects ash brightness after Measuring button is pressed to
send radio transmitted signal to radio receiver connected to ash.
Displays ash duration time, graph of ash wave form and F-stop
value (When a transmitter sold separately is installed).
[Measuring Mode
Selection screen]
c[HSS Cordless Mode
Measuring screen]
Settings
Percentage
of ash
Measured
values
(F-stop values)
c
d
e
f
g
7-24-14, Oizumi-Gakuen-cho, Nerima-ku Tokyo 178-8686 JAPAN
TEL [phone] FAX [phone]
https://www.sekonic.com
JY1L97622
July 2020
Printed in Philippines
10 .Download
■ Operating Manual ■ Data Transfer Software (DTS)
Please visit www.sekonic.com to download the latest version
of DTS software and the operating manual as follows:
https://www.sekonic.com/
Support Manuals and Software Select "L-858D" or "L-858D-U"
Data Transfer Software for MAC / WINDOWS
■ Data Transfer Software (DTS)
■ Operating Manual
You can also use the URLs below for direct access to both DTS and the operating manual.
https://www.sekonic.com/support/downloads
11 .Optional Radio Transmitters
Sekonic makes ve radio transmitters for use with the L-858D that can be
purchased separately.
When purchasing and/or installing a radio transmitter, make sure that the
meter, transmitter and radio receiver are designed for use in your location
and have the proper frequency to comply with local broadcast regulations.
L-858D Serial #
Transmitter
Model #
Operating Frequency
JY11-XXXXXX (
Canada IC )
JY1L -XXXXXX (FCC) RT-20PW
PocketWizard (FCC & Canada IC):
344.0 to 354.00 MHz
JY11-XXXXXX (CE)
JY1 G -XXXXXX (NCC) RT-3PW PocketWizard (CE & NCC): 433.42 to
434.42MHz
JY10-XXXXXX (Japan)
JY11-XXXXXX (CE)
JY1
G -XXXXXX ( SRRC, NCC )
JY1L-XXXXXX (FCC)
RT-BR broncolor (FCC, Canada IC, CE,
SRRC, Japan): 2.4GHz
RT-EL/PX Elinchrom and Phottix (FCC, Canada
IC, CE, NCC, SRRC, Japan): 2.4GHz
RT-GX Godox (FCC, Canada IC, CE, SRRC,
Japan): 2.4GHz
Software
Manuals Operating Manual
Download DTS
RT-20PW
RT-3PW
RT-BR
RT-EL/PX
RT-GX
* PocketWizard®is the registered trademark of LPA Design.
* broncolor®is the registered trademark of Bron Elektronik AG.
* Elinchrom is the registered trademark of Elinchrom SA.
* Phottix®is the registered trademark of Phottix Hong Kong Ltd.
* Godox® is the registered trademark of Godox Photo Equipment Co. Ltd.
* The contents of this manual may be subject to change for the product's specication modications
and other reasons without prior notice.