Postium OBM-U Series Quick start guide

Professional Video 4K Monitor
Operational Instructions
OBM-U090
OBM-U170 / OBM-U171
OBM-U240 / OBM-U241
OBM-U310 / OBM-U311
OBM-U550L / OBM-U551
OBM-X241 / OBM-X310
User Manual
Ver.20.1
OBM-U/X Series

OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
2
Table of Contents
1. Precaution
2. Main Features
3. Location and Function of Parts and Controls
Front Panel
Rear Panel
4. Using the Menu
5. Adjustment Using the Men
6. OSD Menu Operations
Status Menu
Color Temp/Color Space/Gamma Menu
Camera Assist Menu
User Conguration Menu
Remote Menu
Security Menu
7. Scan Mode Image (OBM-U241/U311/...)
8. Scan Mode Image (OBM-U090/U170/U171)
9. Connecting the SDI Signals
10. Available Signal Formats
11. Key Functions
12. Product Specications
3
5
6
10
13
14
16
17
21
22
27
29
30
31
32
33
35
46

1. Precaution
Always use set voltage.
AC 100 ~ 230V, 50/60Hz
DC 12V(OBM-U090/U170/U171) or DC 24V(OBM-U240/U310)
All these instrucons should be read and understood before operang the unit.
If liquid is spilled on or impacts this product, please disconnect the product immediately
and seek professional help before connued use.
Unplug the product from the wall outlet if it is not to be used for several days or more.
Keep the product in a well-venlated place to prevent overheang.
Do not install the product near any heat-generang equipment. Also, keep the product out of direct sunlight
or dusty areas.
Protect the power cord from being walked on or pinched parcularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
When using other DC 12V(OBM-U090/U170/U171) or DC 24V(OBM-U240/U310) adapters instead of the
standard adapter provided by the manufacturer, please check the proper load capacity or current capacity
and use an adapter with stable voltage.
Do not overload AC outlets or extension cords. Overloading can cause fire or electric shock.
A very small proporon of pixels may be stuck, either always off (black), always on (red, green, or blue), or
flashing. In addion, over a long period of use, because of the physical characteriscs of the liquid crystal
display, such stuck pixels may appear spontaneously. These problems are not a malfuncon.
If a fixed picture such as a frame of a divided picture or me code, or a sll picture is displayed for a long me,
an image may remain on the screen and be superimposed as a ghosng image.
The permanent burn-in may occur for LCD panel if sll images are displayed in the same posion on the
screen connuously, or repeatedly over extended periods.
To reduce the risk of burn-in,
a. Turn off the character displays.
b. Turn off the power when not in use.
c. Turn off the power if the monitor is not to be used for a prolonged period of me.
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
3

1. Precaution
Do not aempt to service the product yourself. Removing covers can expose you to high voltage and other
dangerous condions. Request a qualified service person to perform servicing.
When the product needs replacement parts, make sure that the service person uses replacement parts
specified by the manufacturer, or those with the same characteriscs and performance as the original parts.
Use of unauthorized parts may result in fire, electric shock and/or other danger.
Only clean the product with a noncommercial, mild and neutral detergent.
Do not throw away the carton and packing materials. When transporng the product, make use of its original
packaging for safer carriage.
FCC (Federal Communications Commission)
This equipment has been tested and found to comply with the limits for class A digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protecon against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy, and if not installed and used in accordance with the
instrucon manual, may cause harmful interference to radio communicaons. Operaon of this
equipment in a residenal area is likely to cause harmful interference in which case the user will be
required to correct the interference at his own expense.
Warning!! : Changes or modificaons not expressly approved by the manufacturer could void the
user’s authority to operate the equipment.
Disposal of Old Electrical & Electronic Equipment
(Applicable in the European Union and other European countries
with separate collecon systems)
This symbol on the product or on its packing indicates that this product shall not be treated as
household waste. Instead it shall be handed over to the applicable collecon point for the recycling of
electrical and electronic equipment. By ensuring this product is disposed of correctly, you will help
prevent potenal negave consequence for the environment and human health, which could otherwise
be caused by inappropriate waste handling of this product. The recycling of materials will help to
conserve natural resources.
!
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
4

2. Main Features
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
5
4K professional monitor OBM U/X Series unit has the following features:
- 12G/6G/3G/HD-SDI(4K) 2 Channel, 3G/HD-SDI (Level A/B) 2 Channel
- 6G-SDI Dual Link 4K/UHD supporng SMPTE ST 2081-11
- 3G-SDI Quad Link Square Division
- 3G-SDI Quad Link 2 Sample Interleave (2-S.I.)
- HDR(High Dynamic Range) display supporng PQ EOTF(ST 2084), Hybrid Log Gamma, S-Log3
- 3D-LUT for Accurate Color Reproducon
- Wide Color Space Supporng ITU-R BT.709, SMPTE-C, EBU, Nave, D-CINEMA, ITU-R BT.2020
- 1,000nit HDR (OBM-X310)
- 1,000,000 : 1 High Contrast rao (OBM-X310)
- Camera Log Conversion
- Camera Log Mapped SDI Loopout
- Custom 3D LUT file Import through USB
- Gamma Selecon (1.0 ~ 3.0)
- Color Temperature(3200K, 5500K, 6500K, 9300K, USER 1/2/3, D-CINEMA)
- Support 4096x2160 Aspect
- Color Space / HDR / Gamma Comparison (Side by Side)
- Monitor Update/Control via Ethernet, USB / RS-422
- 3G-SDI Quad Link Input -> 12G-SDI / 3G-SDI Single Link Output
- Image Division & Link order Auto Detecon
- Focus Assist
- False Color (Zebra, False Color ARRI, False Color Variable)
- False Color Comparison
- Black Stretch
- Gamut Error
- Waveform, VectorScope (Wave + Vector, Waveform Wide)
- HDR Waveform
- Firmware Update via USB Flash Memory
- Various Markers (EBU, 4:3, 16:9, 1.85:1, 2.35:1, Variable Custom, etc.)
- Zero Scan / Over Scan / 1:1 Scan
- Time Code Display(Posion/Size Selecon)
- De-embedded 8~16ch Audio Level Meter
- SFP opcal connector(OBM-U170/U240/U310/U550L)
- Dual SFP Module Inputs (OBM-U171/X310)
- Internal Paerns Display for Color Test (Black ~ 100%, Color Bar)
- Remote Control via GPI(RJ-45) Port
- UMD(TSL 3.1, TSL 5.0)
- H/V Delay
- Blue/Mono
- 3 Color TALLY Lamp
- Rack & VESA Mount (Opon)
- Closed Capon (608,708)
- System Data Copy
- Various Preset Mode
- Key Lock & Password Lock
- Fast Mode (OBM-U090/U170/U171)
- HDR Auto Seng
- HDMI 2.0 Support
- Analog(YPbPr, CVBS) Input Support (OBM-U090)
- Aspect
- Freeze

3. Location and Function of Parts and Controls
Front Panel (OBM-U170/U240/U241/U310/U311/U550L/U551/X241/X310)
AB C D E F G
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
6
A
B
C
E
F
G
A : Input select Buons/Lamp
Press to monitor the signal input to each connector.
[SINGLE] Buon/Lamp
- Press the buon to select SDI input or SFP input for one channel.
- Mode changes in the order of [12G SDI-1], [12G SDI-2], [3G SDI-3], [3G SDI-4], [SFP]*.([SFP-1],[SFP-2]*)
*SFP input is set deacvated in the default seng. Change the menu seng to acvate SFP input.
-OBM-U170/U240/U310/U550L : [SFP]
-OBM-U171/U241/U311/U551/X241/X310 : [SFP-1], [SFP-2]
MENU > User Configuraon > [2/7] > SFP Enable > Enable
**Note
How to make a quick input change: When you push [SINGLE] buon and the current
input indicator is displayed, turn the [SELECT/VOLUME] knob to select another input
and push the knob, then you can go to another input directly.
[2-S.I.] Buon/Lamp
- Press the buon to select 2-Sample Interleave SDI input signal through two or four
SDI input connectors.
-
Mode changes in the order of [Dual-Link 2-S.I.], [Quad-Link 2-S.I.].[Dual-Link 2-S.I.(SFP)*]
*[Dual-Link 2-S.I.(SFP)] is supported by OBM-U171/X310 only.
[SQUARE] Buon/Lamp
- Press the buon to select [Quad-Link Square Division] mode.
[HDMI] Buon/Lamp - Press the buon to select HDMI input.
B : F1 ~ F5 Buon/Lamp
Press to adjust or turn on/off the assigned funcon.
The following funcons are assigned at the factory.
[F1]: Color Space Compare
[F2]: H/V Delay
[F3]: Color Temp
[F4]: Audio Level Meter
[F5]: Time Code
C : Funcon Buon/Lamp
Press to adjust or turn/off each funcon.
[SCAN] Buon - Press the buon to adjust the scan mode. (Zero Scan, 1:1 Scan).
[ASPECT] Buon
- Press the buon to select the Aspect Rao of the signal.
- Mode changes in the order of [16:9], [4:3], [2.35:1] ,[1.85:1], [15:9], [16:10], [AUTO].
[MARKER] Buon - Press the buon to acvate and deacvate the Marker.
[BLUE ONLY] Buon
- Press the buon to acvate and deacvate the Blue Only funcon.
- You may remove R(red) and G(green) from the input signal and display the screen only with B(blue) signal.
This funcon is convenient to adjust Chroma and Phase and to observe the signal noise.
- The buon may be pressed twice to change the screen to MONO mode.
(This mode uses only Luminance value.)
[KEY LOCK] Buon - Press the buon to lock all buons except Power.
OBM-U171

D : Rotary encoder
[BRIGHT] knob
Press this knob to display the adjustment screen and adjust the picture brightness. Press again to hide the
adjustment screen. Turn the knob right to increase the brightness and turn le to decrease it.
[CONTRAST] knob
Press this knob to display the adjustment screen and adjust the picture contrast. Press again to hide the
adjustment screen. Turn the knob right to increase the contrast and turn le to decrease it.
[CHROMA] knob
Press this knob to display the adjustment screen and adjust the color intensity. Press again to hide the
adjustment screen. Turn the knob right to increase the color intensity and turn le to decrease it.
[APERTURE] knob
Press this knob to display the adjustment screen and adjust the picture sharpness. Press again to hide
the adjustment screen. Turn the knob right to make the picture sharper and turn it le to make the
picture soer.
**Note: If you push the knob for 2 seconds, the adjusted value returns to the default value.
E : Menu Operaon Buons
Displays or sets the on-screen menu.
[MENU/RETURN]
- Acvates and deacvates the display of the Main Menu.
- When the on-screen menu is not displayed, if this buon is pressed the main menu is displayed.
When the menu is displayed, press the buon to return to the previous menu.
[SELECT/VOLUME] knob (Menu selecon control)
- When the menu is displayed, turn the knob to select a menu item or a seng value, and then press the
knob to confirm the seng.
- If this knob is pressed when the menu is not displayed, the adjustment screen of [VOLUME] is displayed
to adjust the audio volume.
- Press this knob to change the modes in the order of [Focus Frequency], [Zebra Level], [Line Posion],
[Variable Marker] and adjust each mode’s value.
[Focus Frequency]: When Focus Assist funcon is acvated, this mode is displayed.
[Zebra Level]: When Zebra funcon is acvated, this mode is displayed.
[Line Posion]: When WFM/Vector funcon and Line Select funcon is acvated, this mode is displayed.
[Variable Marker]:
When Marker funcon is acvated and Aspect Marker is set Variable, this mode is displayed.
F : (Standby) Switch and Indicator
- Press to turn the power on when this monitor is in standby mode. Aer being turned on, the monitor
performs inializaon and the indicator flashes in green.
- Press the switch again for a second to set the monitor in standby mode. Then, the indicator flashes in
orange and then turns red. The indicator in orange means that the monitor goes into the standby
mode.
When the indicator flashes in orange, this buon doesn’t work.
G : (headphone) Jack and USB Connector
Headphone Jack
- The audio signal which is selected using the input select buon is output in stereo sound form speakers.
- When SDI signals are input, the audio signals of the channels selected with SDI Audio Seng in the User
Configuraon menu are output.
- When the headphone is connected to the jack, audio signals will not be output from speakres.
[USB] Connector
- To update CPU, GPU, FPGA program.
- To connect the monitor with the Color Calibraon program provided by the manufacturer and perform
the color calibraon.
- To connect the monitor with the control program provided by the manufacturer and control funcons
remotely.
- To impot the custom 3D LUT file(*.cube,
32^³, 33^³, 64^³ and 65^³).
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
7

AB CDEFGH
Front Panel (OBM-U090)
A : (headphone) Jack and USB Connector
Headphone Jack
- The audio signal which is selected using the input select buon is output in stereo sound.
- When SDI signals are input, the audio signals of the channels selected with SDI Audio Seng in the User
Configuraon menu are output.
- When the headphone is connected to the jack, audio signals will not be output from speakers.
[USB] Connector
- To update CPU, GPU, FPGA program.
- To connect the monitor with the Color Calibraon program provided by the manufacturer and perform
the color calibraon.
- To connect the monitor with the control program provided by the manufacturer and control funcons.
- To impot the custom 3D LUT file
(*.cube, 32^³, 33^³, 64^³ and 65^³).
B : Rotary Encoder
[BRIGHT] knob
Press this knob to display the adjustment screen and adjust the picture brightness. Press again to hide the
adjustment screen. Turn the knob right to increase the brightness and turn le to decrease it.
[CONTRAST] knob
Press this knob to display the adjustment screen and adjust the picture contrast. Press again to hide the
adjustment screen. Turn the knob right to increase the contrast and turn le to decrease it.
[CHROMA] knob
Press this knob to display the adjustment screen and adjust the color intensity. Press again to hide the
adjustment screen. Turn the knob right to increase the color intensity and turn le to decrease it.
**Note: If you push the knob for 2 seconds, the adjusted value returns to the default value.
C : Menu Operaon Buons
Displays or sets the on-screen menu.
[MENU/RETURN]
- Acvates and deacvates the display of the Main Menu.
- When the on-screen menu is not displayed, if this buon is pressed the main menu is displayed.
When the menu is displayed, press the buon to return to the previous menu.
[SELECT/VOLUME] knob (Menu selecon control)
- When the menu is displayed, turn the knob to select a menu item or a seng value, and then press the
knob to confirm the seng.
-
If this knob is pressed when the menu is not displayed , the adjustment screen of [VOLUME] is displayed
to adjust the audio volume.
- Press this knob to change the modes in the order of [Focus Frequency], [Zebra Level], [Line Posion],
[Variable Marker] and adjust each mode’s value.
[Focus Frequency]: When Focus Assist funcon is acvated, this mode is displayed.
[Zebra Level]: When Zebra funcon is acvated, this mode is displayed.
[Line Posion]: When WFM/Vector funcon and Line Select funcon is acvated, this mode is displayed.
[Variable Marker]:
When Marker funcon is acvated and Aspect Marker is set Variable, this mode is displayed.
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
8

D : Input select Buons/Lamp
Press to monitor the signal input to each connector.
[SDI] Buon/Lamp
- Press the buon to select SDI input or SFP input for one channel.
- Mode changes in the order of [12G SDI-1], [12G SDI-2], [3G SDI-3], [3G SDI-4].
**Note
How to make a quick input change: When you push [SINGLE] buon and the current input indicator is
displayed, turn the [SELECT/VOLUME] knob to select another input and push the knob, then you can go to
another input directly.
[2-S.I.] Buon/Lamp
- Press the buon to select 2-Sample Interleave SDI input signal through two or four SDI input connectors.
- Mode changes in the order of [Dual-Link 2-S.I.], [Quad-Link 2-S.I.].
[SQUARE] Buon/Lamp - Press the buon to select [Quad-Link Square Division] mode.
[HDMI] Buon/Lamp - Press the buon to select HDMI input.
[2-S.I.] Buon/Lamp
- Press the buon to select 2-Sample Interleave SDI input signal through two or four SDI input connectors.
- Mode changes in the order of [Dual-Link 2-S.I.], [Quad-Link 2-S.I.].
[SQUARE] Buon/Lamp - Press the buon to select [Quad-Link Square Division] mode.
[HDMI] Buon/Lamp - Press the buon to select HDMI input.
[ANALOG] Buon/Lamp
- Press the buon to select Analog Input.
- Mode changes in the order of [Composite] [Component].
E : F1 ~ F4 Buon/Lamp
Press to adjust or turn on/off the assigned funcon.
The following funcons are assigned at the factory.
[F1]: Color Space Compare
[F2]: H/V Delay
[F3]: Color Temp
[F4]: Audio Level Meter
F : Funcon Buon/Lamp
Press to adjust or turn/off each funcon.
[SCAN] Buon - Press the buon to adjust the scan mode. (Zero Scan, 1:1 Scan).
[ASPECT] Buon
- Press the buon to select the Aspect Rao of the signal.
- Mode changes in the order of [16:9], [4:3], [2.35:1], [1.85:1], [15:9], [16:10], [AUTO]
[MARKER] Buon - Press the buon to acvate and deacvate the Marker.
[BLUE ONLY] Buon
- Press the buon to acvate and deacvate the Blue Only funcon.
- You may remove R(red) and G(green) from the input signal and display the screen only with B(blue) signal.
This funcon is convenient to adjust Chroma and Phase and to observe the signal noise.
- The buon may be pressed twice to change the screen to MONO mode.
(This mode uses only Luminance value.)
[KEY LOCK] Buon - Press the buon to lock all buons except Power.
G : (Standby) switch and indicator
- Press to turn the power on when this monitor is in standby mode. Aer being turned on, the monitor
performs inializaon and the indicator flashes in green.
- Press the switch again for a second to set the monitor in standby mode. Then, the indicator flashes in
orange and then turns red. The indicator in orange means that the monitor goes into the standby
mode.
When the indicator flashes in orange, this buon doesn’t work.
H : IR Receiver
- Receives signals from the remote control
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
9

Rear Panel (OBM-U170/U171/U240/U241/U310/U311/U550L/U551/X241/X310)
A : SDI IN (SDI Input) connectors (BNC)
Input connectors for SDI signals. For details, see “9. Connecng the SDI Signals” (page 32).
B : SDI OUT (SDI Output) connectors (BNC)
Output connectors for SDI signals.
Each connector outputs the signal which is input to the corresponding SDI IN connector.
**Note - Output is acvated only when the power is on. Output is not acvated in standby mode.
C : HDMI Input connector
Input connector for HDMI signals.
-
For an HDMI cable, High Speed HDMI Cable with the cable type logo or HDMI 2.0 Cable is recommended.
- When inpung 4K resoluon(3840 x 2160 or 4096 x 2160) signal, use a cable of 3m or less.
D : SFP Input connector
Input connector for SFP opcal signal.
E : PARALLEL REMOTE connector(RJ-45, 8-pin)
Forms a parallel switch and controls the monitor externally.
**Note - For safety, do not connect the connector for peripheral device wiring that might have excessive
voltage to this port. Follow the instrucons about this port.
[Pin Assignment]
Funcons can be changed in [Remote] secon of the menu.
DAI
BCGFEHJ
18
Pin Number Funcon
12G SDI-1
3G SDI-3
12G SDI-2
3G SDI-4
SFP
Dual-Link 2-S.I.
Power
GND
1
2
3
4
5
6
7
8
IN
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
10
OBM-U090/U170/U240/
U310/U550L OBM-U171/U241/U311/ U551/X241/X310

F : SERIAL REMOTE IN/OUT connector (RJ-45)
Used for the future funcon expansion.
Connects the monitor to control the program provided by the manufacturer by using RS-422/485
communicaon or the external UMD(IMD) equipment and controls the monitor.
G : LAN(10/100) IN/OUT connector
Used for the future funcon expansion.
Connects to the LAN (10/100) connector of the network by using 10BASE-T/100BASE-TX LAN cable.
A daisy chain connecon using the LAN input/output connectors enables the control of mulple monitors in
sequence.
H : AUDIO IN connector (Stereo mini jack)
Connector for analog audio input.
Analog input can be selected with SDI Audio Seng in User Configuraon menu.
I : DC IN terminal
Connects the DC power supply to the monitor.
- OBM-U170/U171: 12V
- OBM-U240/U310: 24V
Make sure to use DC 12V power supply for OBM-U170/U171 and DC 24V power supply for
OBM-U240/U241/U310/U311/X241/X310.
J : AC IN terminal
AC power input connector.
Connects the provided AC power cord.
DC IN Socket
1 : GND
4 : +24V
4
12
3
DC IN Socket
1 : GND
4 : +12V
4
12
3
OBM-U170/U171 OBM-U240/U241/U310/U311/X241/X310
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
11

B
A
C
F
E
G
D
H
I
Rear Panel(OBM-U090)
18
Pin Number Funcon
Single SDI
Square SDI
2-S.I. SDI
HDMI
Analog
1:1 Scan
Power
GND
1
2
3
4
5
6
7
8
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
12
A : SDI IN (SDI Input) connectors (BNC)
Input connectors for SDI signals. For details, see “9. Connecng the SDI Signals”(page 32).
B : SDI OUT (SDI Output) connectors (BNC)
Output connectors for SDI signals.
Each connector outputs the signal which is input to the corresponding SDI IN connector.
**Note-- Output is acvated only when the power is on. Output is not acvated in standby mode.
C : HDMI Input connector
Input connector for HDMI signals.
-
For an HDMI cable, High Speed HDMI Cable with the cable type logo or HDMI 2.0 Cable is recommended.
- When inpung 4K resoluon(3840 x 2160 or 4096 x 2160) signal, use a cable of 3m or less.
D : Analog Input connector
Input connectors for analog signals (CVBS, Component).
E : PARALLEL REMOTE connector(RJ-45, 8-pin)
Forms a parallel switch and controls the monitor externally.
**Note - For safety, do not connect the connector for peripheral device wiring that might have excessivens
voltage to this port. Follow the instrucons about this port.

4. Using the Menu
2. Turn SELECT/VOLUME knob to select a menu,
then press the knob.
The menu icon presently selected is shown highlighted.
F : SERIAL REMOTE IN/OUT connector (RJ-45)
Used for the future funcon expansion.
Connects the monitor to control the program provided by the manufacturer by using RS-422/485
communicaon or the external UMD(IMD) equipment and controls the monitor.
G : LAN(10/100) IN/OUT connector
Used for the future funcon expansion.
Connects to the LAN (10/100) connector of the network by using 10BASE-T/100BASE-TX LAN cable.
A daisy chain connecon using the LAN input/output connectors enables the control of mulple monitors in
sequence.
H : AUDIO IN connector (Stereo mini jack)
Connector for analog audio input.
Analog input can be selected with SDI Audio Seng in User Configuraon menu.
I : DC IN terminal
Connects the DC power supply to the monitor.
- OBM-U090: 12V
DC IN Socket
1 : GND
4 : +12V
4
12
3
This monitor is equipped with an OSD menu to make various adjustments and sengs such as picture control,
input seng, set seng change, etc.
1. Press the MENU buon.
The menu appears.
The menu presently selected is shown in gray.
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
13

3. Select an item.
Turn SELECT/VOLUME knob to select the item, then press the knob.
The item to be changed is shown highlighted, and the sub menu is displayed on the right.
4. Make the seng or adjustment on an item.
How to change the adjustment level:
To increase the level, turn the SELECT/VOLUME knob right.
To decrease the level, turn the SELECT/VOLUME knob le.
How to change the seng:
Turn the SELECT/VOLUME knob to change the seng, then press the knob to confirm the seng.
**Note - The item displayed in gray cannot be accessed. The item is accessible if it is displayed in white.
To return the display to the previous screen:
Press the MENU buon.
To clear the menu:
Press the MENU buon.
5. Adjustment Using the Menus
Format
Color Temp
Brightness
Contrast
Chroma
Aperture
Color Space
Gamma
User Preset
RGB Range
WFM/Vector
Audio Level Meter
Focus Assist
Time Code
Volume
SDI Input
SDI Payload ID
Model Name
Serial Number
Idenfier
Sampling
Picture Rate
Scanning Method
Bit Depth
Link Assignment
Transfer characteriscs
Colorimetry
The OSD menu of this monitor consists of the following items.
Status menu (To indicate the current sengs)
Board Version
Operaon Time
Last Calibraon Time
Internal Temperature (OBM-X310 Only)
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
14
Color Temp./Color Space/Gamma menu
Color Temp. R/G/B Gain
Manual Adjustment
R Gain / G Gain / B Gain / R Bias
G Bias / B Bias / Copy From
(OBM-U170/U171/U240/U310/U550L/X310)
Color Space
OBM-HDR
Type
Gamma
Color Space Comparison
Le Color Space
Right Color Space
Right Gamma

Marker Seng
Marker
Aspect Marker
Variable Aspect
Center Marker
Area Marker
Color
Aspect Mat
Fit
WFM/Vector Seng
WFM/Vector
Closed Capon Seng
Closed Capon
Type
708
608
Fast Mode Seng (OBM-U090/U170/U171)
Fast mode
System Seng
Time Code
Time Code Posion/Size (OBM-U170/U171)
Fan Enable (OBM-U310)
F1 Buon
F2 Buon
F3 Buon
F4 Buon
F5 Buon
- (U170/U171/U240/
U310/U550L/X310)
3G Signal Format
RGB Range
SFP Enable
-(U170/U171/U240/
U310/U550L/X310)
12G Image Division
Display
Reference
Size/Transparency
Peak Hold Time
Type
Intensity
Transparency
Color
Line Select - Line Posion
Posion
Internal Signal
Key LED
OSD Time
OSD Posion
System Data
Camera Assist menu
(OBM-U090)
Color Space
OBM-HDR
Type
Gamma
Camera Log
Back Light
HDR&Cam.Log Comparison
Black Stretch - Max
Back Light
Camera Log
HDR Auto Seng
Black Stretch Setting
Black Stretch - Max
Security Seng
Key Lock
Password
User Parameter Lock
Change Password
User Configuraon menu
User Preset Seng
Funcon Buon Seng
Input Seng
Output Seng
Camera Log Mapped SDI Loopout
Speaker Out / Audio Level Meter Seng
SDI Le Speaker Out
SDI Right Speaker Out
HDMI L/R Speaker Out
Audio Level Meter
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
15
Default Log Sel.
User Log Sel.
Default Log Sel.
User Log Sel.
Zebra & False Color
Zebra Level Adjustment
Zebra Range
Variable White Clipping
Variable Pink Level
Variable Green Level
Variable Black Clipping
False Color Comparison
Wipe Posion
Focus Assist
Color
Frequency
Gamut Errror
Type
Color Space
Y Maximum
Y Minimum
Chroma Maximum
Chroma Minimum
RGB Maximum
RGB Minimum
Load
Save
1 Pin ~ 8 Pin
Remote menu
Parallel Remote
Monitor ID
In-Monitor Display Seng
IMD Type
Transparency
Text Color
Le Tally Color
Right Tally Color
Network Seng
DHCP
IP Address
Subnet Mask
Gateway
Port No.
Thickness
(OBM-U090/U170
/U171)
Custom H1
Custom H2
Custom V1
Custom V2

6. OSD Menu Operations
Status Menu
The Status menu displays the current status of the
monitor. The following items are displayed.
Page 1/4
Page 2/4
Page 3/4
Page 4/4
Format
Color Temp
Brightness
Contrast
Chroma
Aperture
Color Space
Gamma
User Preset
RGB Range
Back Light
WFM/Vector
Audio Level Meter
Focus Assist
Time Code
Volume
SDI Input
SDI Payload ID
*** When the SDI signal is connected,
these items are displayed.
Idenfier
Sampling
Picture Rate
Scanning Method
Bit Depth
Link Assignment
Transfer characteriscs
Colorimetry
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
16

Color Temp/Color Space/Gamma Menu (OBM-U170/U171/OBM-U240/U241/U310/U311/X241/X310)
**Note - If Color Space is set to [DCI-P3], Color
Temp. is fixed to [DCI-P3].
Color Space
- Selects the color space from among
[ITU-R BT.709], [SMPTE-C] ], [EBU],
[DCI-P3], [ITU-R BT.2020], [Nave].
OBM-HDR
Selects whether to enable or disable the
OBM-HDR seng.
Type
Select the mode of HDR gamma.
- ST 2084-300*: This mode displays the absolute
brightness up to 300 cd/m². So, the highlights
over 300 cd/m² are clipped.
- ST 2084-1000: This mode displays the relave
brightness up to 1000 cd/m². The part exceeding
1000 cd/m² is clipped.
- ST 2084-10000 : The characteriscs of LCD
panel doesn’t allow to produce the ideal
brightness required by this standard, so the
gamma is displayed in the relave brightness.
- HLG-0.98(300)* (Hybrid Log Gamma) : This mode
can be selected when the White is 300 cd/m² ** in
HLG gamma.
- HLG -1.0 / 1.1 / 1.2 / 1.3 / 1.4 / 1.5 : These modes
allow the user to apply HLG gamma from 1.0 up
to 1.5.
- HLG -SG(1.2): HLG gamma is applied to 1.2 and
then displayed in the absolute value up to 300 cd/m² ** .
- S-Log3: Select the S-Log3(HDR) gamma.
Color Temp.
- Selects the color temperature from among
[3200K], [5500K], [6500K], [9300K], [User1],
[User2], [User3], [DCI-P3].
R/G/B Gain
- Displays the R/G/B Gain of the current
Color Temperature.
Manual Adjustment
- If you set the Color Temp. to User 1/2/3,
the item is changed from black to white,
which enables you to adjust the color
temperature.
R/G/B Gain/Bias
- Adjusts the color balance(Gain, Bias).
Copy From
- The Gain and Bias data of each Color Temp.
are restored to User adjustment.
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
17
* PQ and HLG gamma is different, depending on
each model’s luminance.
-OBM-U170/240: - ST 2084-300 / - HLG-0.98(300)
-OBM-U310: - ST 2084-700 / - HLG-1.13(700)
-OBM-U171/550L: - ST 2084-400 / - HLG-1.03(400)
**OSD Menu of this mode is different, depending
on each model’s HDR maximum luminance.
-HDR maximum luminance
OBM-U170/U240 -----300 cd/m²
OBM-U310--------------700 cd/m²
OBM-U171/U550L----400 cd/m²
OBM-X310--------------1000 cd/m²
Page 2/3
Page 1/3

Color Temp/Color Space/Gamma Menu (OBM-U170/U171/OBM-U240/U241/U310/U311/X241/X310)
Le Color Space
- Displays the color space which is set in Color
Space menu.
Right Color Space
- Selects the color space of the right half which
will be compared with the le half of the picture.
Right Gamma
- Adjusts the gamma of the right half which will
be compared with the le half of the picture.
Back Light
- Adjusts the level of the back light level.
If the back light value is increased, the screen
becomes brighter.
** If the seng in Color Temp. menu and
Color Space menu is changed, the value of
Back Light returns to the default value of
the color calibraon in the factory.
Color Space Comparison
- Allows the user to divide the picture side by side,
adjust the color space and gamma on the right
half of the picture, and compare the color
space and gamma between right half and le half.
Gamma
- Selects the appropriate gamma mode from
1.00 to 3.00.
**Note - When the OBM-HDR is set Off, this
menu becomes acvated.
- When the color space is set to
Nave, this menu becomes
deacvated.
Page 3/3
Selects a camera log for the input signal.
[Off]: Sets off the camera log.
[Default]:
The log which is selected in [Default Log Sel.]
menu is applied.
[User]: The log which is selected in [User Log Sel.]
menu is applied.
[Import Log Data]: Allows the user to save the Log
LUT in USB memory sck to the monitor.
The saved LUT can be used in User Log.
Default Log Sel.
Allows the user to select a camera log among
C-Log, Log-C EI 160~3200, S-Log2 To LC-709,
S-Log2 To LC-709TypeA, S-Log2 To Slog2-709,
S-Log2 To Cine+709, S-Log2 To LC-709, S-Log3
To LC-709TypeA, S-Log3 To Slog2-709, S-Log3
To Cine+709, J-Log1.
User Log Sel.
Selects User Log 1 to 4.
**Note
- If you insert the USB memory sck which contains the
user log data to the monitor and push Enter in [Import
Log Data] menu, the data is saved to the monitor.
- The file name of the user log data is displayed on the
OSD up to 15 characters, and the log data file should
be placed on the top folder of the USB memory sck.
Ex) If the file name is ‘S-log3 to LC709_A.cube’,
it is displayed as ‘S-log3 to LC709’ on the OSD.
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
18
Camera Log
HDR Auto Seng
This funcon allows the monitor to read the
Transfer Characteriscs and Colorimetry
informaon of Payload idenfier of the ST
2082-10 12G SDI signal and adjust HDR
automacally.
(
Transfer Characteriscs : SDR, ST 2084-1000, HLG-1.2
Colorimetry : Rec709, Rec2020)
Black Stretch
This mode can be used to increase shadow detail
without changing the absolute black level, and
without affecng mid-tones. The Black Stretch
increases the visibility of subjects in dark areas,
not degrading image quality in bright areas.
Max
Adjusts the maximum range to apply the Black
Stretch.
The range is adjustable from 0 to 1023.

Color Temp/Color Space/Gamma Menu (OBM-U090)
These menus are used for adjusng or seng the color
temperature, color space or gamma of the picture.
Page 1/3
**Note - If Color Space is set to [DCI-P3], Color
Temp. is fixed to [DCI-P3].
Page 2/3
Color Space
- Selects the color space from among
[ITU-R BT.709], [Nave].
OBM-HDR
Selects whether to enable or disable the OBM-HDR
seng.
Type
Selects the mode of HDR gamma.
- ST 2084 -300 : This mode displays the absolute
brightness up to 300 cd/m². So, the highlights over
300 cd/m² are clipped.
- ST 2084 -1000 : This mode displays the relave
brightness up to 1000 cd/m². The part exceeding
1000 cd/m² is clipped.
- ST 2084 -10000 : The characteriscs of LCD panel
doesn’t allow to produce the ideal brightness
required by this standard, so the gamma is
displayed in the relave brightness
- HLG - 0.98(300) (Hybrid Log Gamma) : This mode
can be selected when the White is 300 cd/m² in
HLG.
- HLG - 1.0 / 1.1 / 1.2 / 1.3 / 1.4 / 1.5 : These modes
allow the user to apply HLG from 1.0 up to 1.5.
- HLG - SG(1.2): HLG gamma is applied to 1.2 and
then displayed in the absolute value up to
300 cd/m².
- S-Log3: Select the S-Log3(HDR) gamma.
Color Temp.
- Selects the color temperature from among
[3200K], [5500K], [6500K], [9300K], [User1],
[User2], [User3], [DCI-P3].
R/G/B Gain
- Displays the R/G/B Gain of the current
Color Temperature.
Manual Adjustment
- If you set the Color Temp. to User 1/2/3,
the item is changed from black to white,
which enables you to adjust the color
temperature.
R/G/B Gain/Bias
- Adjusts the color balance(Gain, Bias).
Copy From
- The Gain and Bias data of each Color Temp.
are restored to User adjustment.
Gamma
- Selects the appropriate gamma mode from
1.00 to 3.00.
**Note - When the OBM-HDR is set Off, this
menu becomes acvated.
- When the color space is set to
Nave, this menu becomes
deacvated.
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
19

Color Temp/Color Space/Gamma Menu (OBM-U090)
Camera Log
Selects a camera log for the input signal.
[Off]: Sets off the camera log.
[Default]:
The log which is selected in [Default Log Sel.]
menu is applied.
[User]: The log which is selected in [User Log Sel.]
menu is applied.
[Import Log Data]: Allows the user to save the Log
LUT in USB memory sck to the monitor.
The saved LUT can be used in User Log.
Default Log Sel.
Allows the user to select a camera log among
C-Log, Log-C EI 160~3200, S-Log2 To LC-709,
S-Log2 To LC-709TypeA, S-Log2 To Slog2-709,
S-Log2 To Cine+709, S-Log2 To LC-709, S-Log3
To LC-709TypeA, S-Log3 To Slog2-709, S-Log3
To Cine+709, J-Log1.
User Log Sel.
Selects User Log 1 to 4.
**Note
- If you insert the USB memory sck which contains
the user log data to the monitor and push Enter in
[Import Log Data] menu, the data is saved to the
monitor.
- The file name of the user log data is displayed on
the OSD up to 15 characters, and the log data file
should be placed on the top folder of the USB
memory sck.
Ex) If the file name is ‘S-log3 to LC709_A.cube’,
it is displayed as ‘S-log3 to LC709’ on the OSD.
Back Light
Adjusts the level of the back light.
If the back light value is increased, the screen
becomes brighter.
** If the seng in Color Temp. menu and Color
Space menu is changed, the value of Back Light
returns to the default value of the color
calibraon in the factory.
OBM-U/X Series
4K LCD Professional Monitor
with 12G-SDI, Quad Link 4K
20
Page 3/3
HDR&Cam.Log Comparison
Splits the screen side-by-side to apply HDR or
Camera log to the le side and compare it with the
right side.
Black Stretch
This mode can be used to increase shadow detail
without changing the absolute black level, and
without affecng mid-tones. The Black Stretch
increases the visibility of subjects in dark areas,
not degrading image quality in bright areas.
Max
Adjusts the maximum range to apply the Black
Stretch.
The range is adjustable from 0 to 1023.