Sekonic SPEEDMASTER L-858D User manual

Light Meter
SPEEDMASTER
L-858D
L-858D-U
Operating Manual
Thank you for purchasing our product.
Please read the "Operating Manual" and "Safety Precaution" so that you will fully
understand the features and operation of this product.
Then keep the operating manual in a safe place for future use.
Please see the Startup Guide for information about the basic operations.

Please read this operating manual thoroughly to gain a full understanding of the contents
and ensure safe and correct use of this product.
The SPEEDMASTER L-858D is a photographic light meter with the following
features;
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ƔFlash duration measurement
ƔMulti-brand wireless triggering & control (with optional transmitter)
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make it the perfect tool for all light measurement needs.
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conditions. Increased sensitivity and wide measuring range provide the high level of
accuracy demanded for today's digital imaging.
Using the Sekonic-developed Data Transfer Software*2 enables mapping your
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([SRVXUH3UR¿OHV*3 can be stored in the meter and called up anytime you need
them. Precision tuning of the L-858D enables instant check scene and subject
brightness against dynamic range of your camera for the very best exposure
decisions. The Data Transfer Software also allows customizing the L-858D to your
operating preferences.
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computer.
URL: www.sekonic.com/support/downloads/dtssoftwareformacandwindows.aspx
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©2017-2020
All Rights Reserved.

i
ŶTerms and Trademarks
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and/or other countries.
Ɣ7KHRႈFLDOQDPHRI:LQGRZVLV0LFURVRIW®Windows®Operating System".
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United States and/or other countries.
ƔAdobe Reader is a registered trademark of Adobe Systems Inc.
Ɣbroncolor®LVWKHUHJLVWHUHGWUDGHPDUNRI%URQ(OHNWURQLN$*
ƔElinchrom is the registered trademark of Elinchrom SA.
ƔGodox®LVWKHUHJLVWHUHGWUDGHPDUNRI*RGR[3KRWR(TXLSPHQW&R/WG
ƔPhottix®is the registered trademark and Strato™ is the trademark of Phottix Hong
.RQJ/WG
ƔPocketWizard®is the registered trademark of LPA Design.
NOTICE
ƔThe reproduction of all or any part of this document without permission is strictly
forbidden.
ƔThe product concerned and/or this manual may be subject to changes without prior
QRWL¿FDWLRQ
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ii
ŶSafety Precautions
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WARNING
7KH:$51,1*V\PEROLQGLFDWHVWKHSRVVLELOLW\RIGHDWKRUVHULRXV
injury if the product is not used properly.
CAUTION
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personal injury or product damage if the product is not used properly.
NOTICE 7KH127,&(V\PEROLQGLFDWHVFDXWLRQVRUUHVWULFWLRQVZKHQXVLQJWKH
product. Please read all notes to avoid errors in operation.
NOTE
The reference symbol indicates additional information about the
controls or related functions.
Reading these is recommended.
¨The arrow indicates reference pages.
WARNING
ƔInfants or toddlers may accidentally wrap the strap around their neck,
so please place it in a location out of their reach. There is a danger of
VXႇRFDWLRQ
ƔInfants or toddlers may accidentally swallow the lens cap, so please place it
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Doing so may damage your eyesight.
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damage to the environment.
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ƔHandling the cord on this product or cords associated with accessories sold
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California to cause cancer, and birth defects or other reproductive harm.
Wash hands after handling.

iii
CAUTION
ƔDo not handle this product with wet hands, or leave it in the rain or in a
location where it may be splashed with water, submerged, or come into
contact with moisture. There is a danger of electric shock if the "Cord Flash
Mode" is used. This may also result in damage to the product.
ƔMake sure the Synchro terminal cover ⓭and USB connector cover ⓫are
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connected to a computer. If not sealed by the covers, the meter is no longer
water-resistant and moisture could damage the circuitry of the meter.
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ƔGently tap the meter's LED panel when changing modes or making
selections. Using pointed pens or pencils may scratch the LCD screen or
damage the product.
ƔInfants or toddlers may accidentally grab the strap and swing the product, so
please place it in a location out of their reach, as the meter may be damaged
by impacts.
ƔBe careful that the neck strap does not come loose when carrying the
product, as the meter may be damaged when dropped.
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symptoms.

iv
NOTICE
Precautions for Operating
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malfunction of the meter.
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acts and control errors.
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damaged.
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will form on the meter and may damage it.
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normal condition.
Precautions for Storage
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damaged.
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rise and may result in damage. Please be careful when using the meter in these types of
locations.
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product and may result in damage. Please be careful when using the meter in these
types of locations.
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Maintenance Notes
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as thinner or benzine.
NOTE
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a battery recycling shop near you.
ƔInsulate plus and minus terminals with tape or other insulation material.
ƔDo not disassemble the batteries.

v
ŶIntended Usage
The meter is designed for:
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ƔDisplay of latitude (dynamic range) from the shadow to the highlight of a digital
camera
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GLYHUVLI\LQJÀDVKVKRRWLQJ
ƔFlash unit triggering and power control functions with the transmitter (sold
separately)
ƔMeasurement for all shooting situations from outdoor to indoor with all weather
design.
ŶFeatures of the L-858D
[Basic functions and performance]
①0RGHOZLWKLQFLGHQWOLJKWDQGUHÀHFWHGOLJKWVSRWSKRWRPHWU\GHJUHHV\VWHPV
②One-touch switching between extended lumisphere and retracted lumisphere (Light
receiving part up-down mechanism)
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ZHOODVDPELHQWDQGÀDVKFRPSRQHQWV
④([SRVXUH3UR¿OH)XQFWLRQXVLQJWKH'DWD7UDQVIHU6RIWZDUHDSSOLFDWLRQVRIWZDUH
⑤6LPSOL¿HGOXPLQDQFHPHDVXUHPHQWFGP2)RRWODPEHUWDQGVLPSOL¿HGLOOXPLQDQFH
PHDVXUHPHQW/X[)RRWFDQGOH
[New functions and performance]
①2.7-inch liquid-crystal color touch panel
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at the bottom of the screen.
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VWHSV
③Exposure measurement in HSS (High Speed Synchro) Mode
④Improvement of lower light measurement performance (from -5 EV in incident light
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⑤Flash units triggering and power control functions with multi-brands of the transmitter
(sold separately)
⑥
(QKDQFHPHQWRIYLGHRFLQHIXQFWLRQVVXFKDVIUDPHUDWHVHWWLQJWRIV shutter
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RUVHOHFWWKHGHVLUHGRSWLRQIURPWKHUHJLVWHUHG¿OWHUQDPHV

vi
ŶIntended Users
The intended users of this product are the following.
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ŶDisclaimer
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failure of this product or its use.
ŶRestrictions
There are some cautions and restrictions regarding the use of this product.
Please read and understand the following before using the meter.
NOTE
Ɣ7KHFRQWHQWVRIWKLVPDQXDOPD\EHVXEMHFWWRFKDQJHIRUWKHSURGXFWVVSHFL¿FDWLRQ
PRGL¿FDWLRQVDQGRWKHUUHDVRQVZLWKRXWSULRUQRWLFH
We recommend that you download the latest operating manual from our website and use
this product.
URL: https://www.sekonic.com/support/downloads
ƔThe safety-related precautions such as "Safety Guide and Maintenance" and "Safety
Precautions" conform to the legal and industry standards that were applicable at the time
WKLVRSHUDWLQJPDQXDOZDVFUHDWHG7KHUHIRUHWKLVPDQXDOPD\QRWFRQWDLQWKHODWHVW
LQIRUPDWLRQ,I\RXDUHXVLQJWKHSUHYLRXVRSHUDWLQJPDQXDOSOHDVHGRZQORDGDQGUHIHU
to the latest operating manual.
ƔThe product may contain printing materials such as cautions related to safety and/or
printing errors as a supplement to the operating manual.
ƔThe contents of this operating manual may be reproduced for non-commercial purposes
DQGIRUSHUVRQDOXVHRQO\+RZHYHUWKHUHSURGXFHGPDWHULDOPXVWFRQWDLQWKHFRS\ULJKW
notice of our company.
Ɣ7KHVFUHHQVLQWKLVRSHUDWLQJPDQXDOPD\GLႇHUIURPWKHDFWXDOGLVSOD\VRIWKHPHWHU\RX
DUHXVLQJ&RORUVOHWWHUVHWF

vii
ŶAccompanying Accessories
The following items are included with the meter in the package. Please be sure to check
that all noted items are included.
* ,IDQ\LWHPVDUHPLVVLQJSOHDVHFRQWDFWWKHGLVWULEXWRURUWKHUHVHOOHU\RXSXUFKDVHGWKH
meter from.
* 7KH86%FDEOHWKDWKDVWKH$FRQQHFWRUDQG0LFUR%FRQQHFWRULVQRWLQFOXGHGLQWKH
package. Please obtain this separately.
* %DWWHULHVWZR$$$ONDOLQHDQGPDQJDQHVHEDWWHULHVDUHUHFRPPHQGHGDUHQRW
included in the package. Please obtain these separately.
Meter Lens cap
(Attached to the meter) Soft case
$QWLJODUHVKHHWIRU/&'VFUHHQ Strap
Startup Guide 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.
• 7KHPRGL¿FDWLRQRUGLVDVVHPEO\RIWKLVSURGXFWLVSURKLELWHG
• 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.
English

viii
1. Names and Functions of Parts.................................................................................................1
௘ 1DPHVRI3DUWV .........................................................................................................................1
௘ Functions of Parts....................................................................................................................2
2. Before Use................................................................................................................................................ 3
௘ Attaching the Strap ..................................................................................................................3
௘ ,QVHUWLQJWKH%DWWHULHV .............................................................................................................4
௘ 3RZHU212)) .........................................................................................................................5
௘ $XWR3RZHU2ႇ)XQFWLRQ.........................................................................................................7
௘ &KHFNLQJWKH%DWWHU\&DSDFLW\ .............................................................................................. 8
௘ 5HSODFLQJ%DWWHULHV..................................................................................................................8
3. Screen Operations..............................................................................................................................9
௘ %DVLF2SHUDWLRQV ......................................................................................................................9
௘ Locking and Unlocking the Screen ....................................................................................13
௘ Screen Transition ...................................................................................................................14
௘ Screen Display........................................................................................................................15
௘ Measuring Screen..................................................................................................................15
௘ Measuring Operation/Display Area.....................................................................................18
௘ 86%&RQQHFWLRQ6FUHHQ.......................................................................................................23
௘ 9LHZ¿QGHU'LVSOD\..................................................................................................................24
௘ 7RRO%R[6FUHHQ .....................................................................................................................
௘ Menu Screen...........................................................................................................................29
Table of Contents
ŶTerms and Trademarks...............................................................................................................................i
ŶSafety Precautions.......................................................................................................................................ii
:$51,1* ..................................................................................................................................................ii
&$87,21 ..................................................................................................................................................iii
127,&( .............................................................................................................................................................iv
ŶIntended Usage.............................................................................................................................................v
ŶFeatures of the L-858D..............................................................................................................................v
ŶIntended Users.............................................................................................................................................vi
ŶDisclaimer.......................................................................................................................................................vi
ŶRestrictions.....................................................................................................................................................vi
ŶAccompanying Accessories...................................................................................................................vii

ix
4. Basic Operations...............................................................................................................................31
௘ %DVLF0HDVXUHPHQW:RUNÀRZ .............................................................................................31
௘ Switch the Light Receiving Method....................................................................................32
௘ Incident Light System............................................................................................................32
 8VLQJWKH)XQFWLRQ%XWWRQIRU6HWWLQJ.........................................................................32
 6HWWLQJRQWKH7RRO%R[6FUHHQ....................................................................................34
3) Interchanging the Extended Lumisphere and Retracted Lumisphere..................35
௘ 5HÀHFWHG/LJKW6\VWHP .........................................................................................................37
 8VLQJWKH)XQFWLRQ%XWWRQIRU6HWWLQJ.........................................................................37
 6HWWLQJRQWKH7RRO%R[6FUHHQ....................................................................................39
3) Measuring Area...............................................................................................................
 'LRSWHU6FDOH&RPSHQVDWLRQ........................................................................................
௘
6HWWLQJWKH0HDVXULQJ%XWWRQ
❻
DQG0HPRU\%XWWRQ
❼........................................................41
௘ Selecting the Measuring Mode............................................................................................44
5. Measuring................................................................................................................................................48
௘ Measuring in Ambient Light Mode......................................................................................48
௘ T (shutter speed) Priority Mode...........................................................................................49
௘ F (Aperture) Priority Mode....................................................................................................51
௘ 7)6KXWWHU6SHHG)VWRS3ULRULW\0RGH........................................................................53
௘ +'&,1(0RGH .......................................................................................................................55
1) Measuring.........................................................................................................................55
2) Frame Rate Editing.........................................................................................................58
௘ &,1(0RGH ..............................................................................................................................
1) Measuring.........................................................................................................................
2) Frame Rate Editing.........................................................................................................
3) Shutter Angle Editing......................................................................................................
௘ Illuminance/Luminance Mode..............................................................................................
1) Illumination Measuring...................................................................................................
2) Luminance Measuring....................................................................................................72
௘ Measuring in Flash Light Mode...........................................................................................74
௘ &RUGOHVV)ODVK0RGH.............................................................................................................75
1) Measuring.........................................................................................................................75
 1XPEHURI3UHÀDVK .......................................................................................................78

x
௘ &RUGOHVV0XOWLSOH&XPXODWLYH)ODVK0RGH.....................................................................
1) Measuring.........................................................................................................................
 0XOWL&OHDU ........................................................................................................................83
 1XPEHURI3UHÀDVK .......................................................................................................84
௘ &RUG)ODVK0RGH....................................................................................................................
௘ &RUG0XOWLSOH&XPXODWLYH)ODVK0RGH ............................................................................88
1) Measuring.........................................................................................................................88
 0XOWL&OHDU ........................................................................................................................
௘ Radio Triggering Flash Mode...............................................................................................91
௘ 5DGLR7ULJJHULQJ0XOWLSOH&XPXODWLYH)ODVK0RGH.......................................................92
௘ +66+LJK6SHHG6\QFKUR)ODVK&RUGOHVV0RGH .........................................................93
௘ +66+LJK6SHHG6\QFKUR)ODVK&RUGOHVV0RGH .........................................................93
1) Measuring.........................................................................................................................93
 1XPEHURI3UHÀDVK .......................................................................................................95
௘ HSS (High Speed Synchro) Flash Radio Triggering Mode (for RT-GX only)............97
௘ Measuring in Flash Duration Analysis Mode....................................................................98
௘ )ODVK'XUDWLRQ$QDO\VLV&RUGOHVV0RGH............................................................................98
1) Measuring.........................................................................................................................98
 1XPEHURI3UHÀDVK .....................................................................................................
3) Flash Duration Analysis t Value .................................................................................
௘ )ODVK'XUDWLRQ$QDO\VLV&RGH0RGH ................................................................................
1) Measuring.......................................................................................................................
2) Flash Duration Analysis t Value .................................................................................
௘ Flash Duration Analysis Radio Triggering Mode............................................................
௘ Out of Displayed Range or Measuring Range............................................................... 111
௘ When Displayed Range Is Exceeded .............................................................................. 111
1) When Under Exposure "Under" Is Displayed:......................................................... 111
2) When Over Exposure "Over" Is Displayed:............................................................. 111
௘ When Measuring Range Is Exceeded.............................................................................112
6. Functions...............................................................................................................................................113
௘ Memory Function..................................................................................................................113
௘ How to Save Values in the Memory .................................................................................114
௘ 0HPRU\&OHDU........................................................................................................................
 ,QGLYLGXDO&OHDU..............................................................................................................117
 &ROOHFWLYH&OHDU .............................................................................................................118

xi
௘ Memory Recall......................................................................................................................119
௘ $YHUDJH&RQWUDVW)XQFWLRQ.................................................................................................121
1) Average Function..........................................................................................................121
 &RQWUDVW)XQFWLRQ..........................................................................................................124
 $YHUDJH&RQWUDVW)XQFWLRQ6HWWLQJRQWKH7RRO%R[6FUHHQ................................127
௘ ([SRVXUH&RPSHQVDWLRQ)XQFWLRQ ...................................................................................128
Ŷ0LQXV&RPSHQVDWLRQ......................................................................................................128
Ŷ3OXV&RPSHQVDWLRQ.........................................................................................................128
௘ )LOWHU&RPSHQVDWLRQ)XQFWLRQ............................................................................................131
௘ ,QSXW)LOWHU&RPS9DOXH .....................................................................................................132
௘ Selecting a Filter...................................................................................................................134
௘ 8VHUGH¿QHG)LOWHU&RPSHQVDWLRQ6HWWLQJV....................................................................137
௘ Deselecting a Filter..............................................................................................................142
௘ Mid. Tone Function...............................................................................................................143
௘ Mid. Tone Setting..................................................................................................................143
 6HWIURP&XUUHQW0HDVXUHPHQW .................................................................................143
2) Set from Memory...........................................................................................................144
 0RGLI\&XUUHQW0LG7RQH ............................................................................................
௘ Mid. Tone Recall...................................................................................................................148
௘ 0LG7RQH&OHDU.....................................................................................................................149
௘ ([SRVXUH3UR¿OH)XQFWLRQ ..................................................................................................
௘ 2YHUYLHZRI([SRVXUH3UR¿OH)XQFWLRQ ...........................................................................
௘ 6HW([SRVXUH3UR¿OH............................................................................................................151
௘ (GLW([SRVXUH3UR¿OH...........................................................................................................152
1) D
LVSOD\RUQRWRQWKH6HW([SRVXUH3UR¿OH6FUHHQ7RRO%R[ ...............................153
 (GLW([SRVXUH3UR¿OH....................................................................................................154
௘ &XVWRP6HWWLQJ .....................................................................................................................
௘ &XVWRP6HWWLQJ/LVW..............................................................................................................

xii
௘ &XVWRP6HWWLQJ3URFHGXUH .................................................................................................
 )XQFWLRQ%XWWRQ6HWWLQJ...........................................................................................
 )XQFWLRQ%XWWRQ6HWWLQJ...........................................................................................
 ,QFUHPHQWVRI7)6HWWLQJ........................................................................................
 'LVSOD\RI6WHS,QFUHPHQWV6HWWLQJ...............................................................
 &RPSHQVDWLRQ3UHIHUHQFH ....................................................................................171
 6HWWLQJIRU6ZLWFKLQJWKH0HDVXULQJ%XWWRQ❻DQG0HPRU\%XWWRQ❼.............173
7) Ambient Mode Setting..................................................................................................175
8) Flash Mode Setting.......................................................................................................177
9) HSS Flash Mode Setting.............................................................................................179
)ODVK'XUDWLRQ$QDO\VLV0RGH6HWWLQJ.............................................................181
11) Additional Data Setting....................................................................................183
,OOXPLQDQFH/XPLQDQFH8QLW6HWWLQJ&RORU7KHPH6HWWLQJ ...............................185
&RORU7KHPH6HWWLQJ........................................................................................187
$XWR3RZHU2ႇ7LPH6HWWLQJ ...........................................................................189
%DFNOLJKW%ULJKWQHVV6HWWLQJ............................................................................
$XWR'LPPHU6HWWLQJ .......................................................................................191
0HPRU\%XWWRQ ................................................................................................193
18) Radio System Preference Setting ...................................................................194
5HVHW&XVWRP6HWWLQJ......................................................................................195
7. Hardware Setting.............................................................................................................................197
௘ Hardware Setting Screen ...................................................................................................197
௘ 8VHU&DOLEUDWLRQ....................................................................................................................198
௘ Adjust Touch Panel..............................................................................................................
௘ Factory Setting......................................................................................................................
௘ Edit User Information...........................................................................................................
8. Optional Accessories...................................................................................................................
Ŷ6\QFKUR&RUG ...................................................................................................................
Ŷ([SRVXUH3UR¿OH7DUJHWII..............................................................................................
Ŷ([SRVXUH3UR¿OH7DUJHW..................................................................................................
ŶStep-up Ring....................................................................................................................
Ŷ573:...........................................................................................................................
ŶRT-3PW.............................................................................................................................
Ŷ57%5 ................................................................................................................................
ŶRT-EL/PX..........................................................................................................................
ŶRT-GX ...............................................................................................................................

xiii
 9DULRXV6HWWLQJ9DOXHV ................................................................................................................
௘ ISO Sensitivity.......................................................................................................................
௘ Shutter Speed.......................................................................................................................
௘ F-stop (Aperture)..................................................................................................................
௘ Frame Rate............................................................................................................................
௘ Shutter Angle.........................................................................................................................
௘ )LOWHU1DPHVDQG&RPSHQVDWLRQ9DOXHV .........................................................................
6SHFL¿FDWLRQV ....................................................................................................................................
11.Legal Requirement.........................................................................................................................214
12.Troubleshooting...............................................................................................................................215
13.After-sales Services......................................................................................................................219

1
1DPHVDQG)XQFWLRQVRI3DUWV
1. Names and Functions of Parts
1-1௘Names of Parts
%RWWRP9LHZ%DWWHU\&RYHU 7RS9LHZ
5HDU9LHZ)URQW9LHZ
Tabs (Three)
Retracted Mark
Extended Mark
/XPLVSKHUH6ZLWFKRYHU
EHWZHHQ([WHQGHG5HWUDFWHG
󱢾Lumisphere Lock
Lever
❷Lumisphere
❶Lumisphere Retracting Ring
❻0HDVXULQJ%XWWRQ*1
❸Objective Lens
❹
9LHZ¿QGHU(\HSLHFH
(with diopter adjustment)
❺3RZHU%XWWRQ
❼0HPRU\%XWWRQ*1
❿86%&RQQHFWRU
⓬Synchro Terminal
⓭6\QFKUR7HUPLQDO&RYHU
⓫86%&RQQHFWRU&RYHU
⓮%DWWHU\&RYHU
⓯%DWWHU\&RYHU/DWFK
⓰Strap Eyelet
❽7RXFK3DQHO/&'
❾
0HQX%XWWRQ 0(18!!
⓱Tripod Socket Hole
⓲Transmitter (sold separately)
&RPSDUWPHQW
⓳Transmitter
&RQQHFWRU&RYHU
⓴%DWWHU\
&RPSDUWPHQW

2
1DPHVDQG)XQFWLRQVRI3DUWV
1-2௘Functions of Parts
The following table lists the functions of each part.
No. Part Name Function
❶Lumisphere Retracting
Ring Turn this to switch between the extended lumisphere and retracted lumisphere. (¨P35)
❷Lumisphere Position the meter at subject with Lumisphere facing toward
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URWDWHGWKURXJKWRUHFHLYHOLJKW(¨P32)
❸2EMHFWLYH/HQV
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(¨3
❺
Power Button
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❻Measuring Button*1 Press for measurement.
❼Memory Button*1 Press after measuring to record the measured value.
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❽Touch Panel LCD Displays the setting screens and measurement screens.
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operation by touching the displayed screens. (¨P9)
❾Menu Button Press to enter the Menu list from any of the screens.
Press again to return to the previous screen. (¨P29)
❿USB Connector 7KH86%FRQQHFWRUIRUFRQQHFWLQJWRWKHFRPSXWHUZLWKWKH
installed Data Transfer Software.
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⓫USB Connector Cover 3URWHFWV86%WHUPLQDOZKHQQRWLQXVH
⓬Synchro Terminal
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⓭Synchro Terminal Cover Protects synchro terminal when not in use.
⓮Battery Cover Secures the batteries.
⓯Battery Cover Latch Pull out and rotate down to open battery cover.
⓰Strap Eyelet Attach the accessory strap here. (¨P3)
⓱Tripod Socket Hole 8VHGWRDWWDFKWKHPHWHUWRDWULSRGLQFKWKUHDGV
⓲
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separately) Compartment
Install radio transmitter (sold separately) for the radio triggering
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(¨P91P923)
⓳
Transmitter Connector Cover
Protect the transmitter connector.*2
⓴Battery Compartment
Hold 2x AA batteries. Insert as indicated in compartment. (¨P4)
󱢾Lumisphere Lock Lever Use this lever to replace the lumisphere (when it is damaged or
contaminated).
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*2%HVXUHWRUHDWWDFKWKH7UDQVPLWWHU&RQQHFWRU&RYHU⓳if the Transmitter is removed.

3
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2. Before Use
2-1௘Attaching the Strap
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Eyelet ⓰.
2. Pass the opposite end of the strap through the loop at the end of
the strap.
Strap Eyelet ⓰
Strap
WARNING
Infants or toddlers may accidentally wrap the strap around their neck, so
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CAUTION
ƔInfants or toddlers may accidentally grasp and swing the strap, so please
place it in a location out of their reach. Otherwise, the meter may be
damaged due to an impact shock.
ƔBe careful not to let the strap become entangled when carrying the meter.
Otherwise, the meter may be damaged due to an impact shock that may
occur when the meter is dropped, etc.
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The synthetic fabric has caused skin irritation, redness, or itching. If you
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4
%HIRUH8VH
2-2௘Inserting the Batteries
1. Prepare two AA batteries.
2. Unlock the Battery Cover Latch ⓯, and remove the Battery Cover ⓮.
3. Insert the batteries according to the "+" and "–" symbols in the
Battery Compartment ⓴.
4. $OLJQWKHWDEVWKUHHORFDWLRQVRIWKH%DWWHU\&RYHU⓮to the holes
of the meter. While pressing down the Battery Cover ⓮, use the
Battery Cover Latch ⓯to lock the Battery Cover ⓮.
Tabs (Three)
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WARNING
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CAUTION
ƔUse the manganese or alkaline batteries.
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ƔTo prevent corrosion of battery contact pieces or deterioration of the
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Battery Cover ⓮is not contaminated with dust or sand.
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ƔOIWKHPHWHUZLOOQRWEHXVHGIRUDQH[WHQGHGSHULRGRIWLPHLWLVUHFRPPHQGHG
to remove the batteries to avoid possible damage caused by battery leaking.

5
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2-3 3RZHU212))
Power ON
1. Press the Power Button ❺.
The meter turns on.
The Startup Screen appears on the LCD for
one second.
Then operating assignment for the
Measuring Button ❻0($685(DQG
Memory Button ❼0(025<DUHGLVSOD\HG
on the Measuring Screen for two seconds.
Startup Screen
Startup Screen with
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separately) installed
Measuring ScreenMeasuring Screen
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0HPRU\%XWWRQ❼0HDVXULQJ%XWWRQ❻
* Radio system brand of transmitter (sold separately) is displayed.