LG UltraGear 27GN800B Owner's Manual page 23

Adaptive-Sync
Game Adjust
Black Stabilizer
Provides seamless and natural images by synchronizing the vertical frequency of the input signal with that of the output signal.
CAUTION
• In HDMI input, the menu name is displayed as certified AMD FreeSync Tier name instead of Adaptive-Sync.
(FreeSync / FreeSync Premium / FreeSync Premium Pro)
• Supported Interface: DisplayPort (G-SYNC, FreeSync Premium), HDMI (FreeSync Premium).
• Supported Graphic Card : A graphic card that supports NVIDIA's G-SYNC or AMD's FreeSync is necessary.
• Supported Version : Make sure to update the graphic card to the latest driver.
• For more information and requirement, refer to NVIDIA website (www.nvidia.com) and AMD website (www.amd.com).
On Adaptive-Sync function on.
Off Adaptive-Sync function off.
You can control the black contrast to have better visibility in dark scenes.
You can easily distinguish objects on dark game screens.
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