LG UltraGear 27GR83Q Owner's Manual page 30

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Power LED
Automatic Standby
Input Compatibility
General
Version (27GR83Q)
HDMI Compatibility
Mode (27GR82Q)
When the Power LED function is turned on, it operates as follows :
On The power LED turns on automatically.
Off The power LED turns off.
Sleep Mode
Blinking. (only 27GR82Q)
(Standby Mode)
Feature that automatically turns off the monitor when there is no movement on the screen for a period of time. You can set
a timer for the auto-off function. (8H, 6H, 4H and Off) (27GR83Q)
If there is no operation on the monitor for a certain period of time, the monitor will automatically switch to standby mode.
(27GR82Q)
Please set the Input Compatibility Version to match the version of the connected external device.
2.1(PC)/2.1(AV)/1.4
HDMI
If you want to use the HDR, select the Input Compatibility Version to 2.1(PC) or 2.1(AV).
1.4(DSC)/1.4/1.2
DisplayPort
If you want to use the HDR, select the Input Compatibility Version to 1.4(DSC) or 1.4.
NOTE
• If the connected device supports 2.1 in HDMI but the screen or sound does not work properly, set this function to 2.1(AV).
HDMI Compatibility Mode feature can recognize the legacy equipment that does not support HDMI 2.0.
On Enables HDMI Compatibility Mode.
Off Disables HDMI Compatibility Mode.
NOTE
• If the connected device does not support [HDMI Compatibility Mode], the screen or sound may not work properly.
• When HDMI Compatibility Mode is on, 2560 x 1440 @ 100/120/144 Hz resolution is not supported.
• Some older graphics cards do not support HDMI 2.0,but you can select HDMI 2.0 resolution in the control panel of window.
This may cause the screen to appear abnormally.