LG 27BP85U Owner's Manual page 20

Settings > Picture
Game Adjust
20
Sets a response time for displayed pictures based on the movement of the picture on the screen.
For a normal environment, it is recommended that you use Fast. When there is a lot of motion, it is recommended that you use Faster.
Setting to Faster may cause image sticking.
Response Time
Faster
Fast
Normal
Off
Provides seamless and natural images by synchronizing the vertical frequency of the input signal with that of the output signal.
CAUTION
• Supported Interface: DisplayPort, HDMI
•
Supported Graphic Card: A graphic card that supports AMD' s FreeSync is necessary.
• Supported Version: Make sure to update the graphic card to the latest driver.
FreeSync
•
For more information and requirement, refer to AMD website at http://www.amd.com/FreeSync
Extended
Basic
Off
You can control the black contrast to have better visibility in dark scenes.
Black Stabilizer Increasing the Black Stabilizer value brightens the low gray level area on the screen. (You can easily distinguish objects on dark game screens.)
Reducing the Black Stabilizer value darkens the low gray level area and increases the dynamic contrast on the screen.
Description
Sets the response time to faster.
Sets the response time to fast.
Sets the response time to normal.
Does not use the response time improvement feature.
Enable wider frequency range of FreeSync function than basic mode.
The screen may flicker during the game play.
Enable basic frequency range of FreeSync function.
FreeSync function off.