Samsung UN55MU6500F e-Manual

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Setting the Viewing Environment for External Devices
You can optimize the TV for viewing specific video formats.
Playing games on an optimized screen
     
Settings
   
General
   
External Device Manager
   
Game Mode
You can enable the game mode to optimize the TV's settings for playing video games with a gaming console, such as 
a PlayStation™ or Xbox™.
 
"
The game mode is not available for normal TV viewing.
 
"
The screen may shake somewhat.
 
"
When 
Game Mode
 is enabled, 
Picture Mode
 and 
Sound Mode
 are switched to 
Game
 automatically.
 
"
To use other external device on the same port, remove the game console connection, turn off the function, and then 
connect the external device to the port.
Viewing UHD videos
     
Settings
   
General
   
External Device Manager
   
HDMI UHD Color
If an external UHD player is connected to the TV, use the HDMI UHD Color function to convert the TV's HDMI 
connector to a mode optimized for the UHD 50P/60P signals.
 
"
When you set the HDMI connection to 
On
, the TV screen flickers.
 
"
The HDMI connection with 
HDMI UHD Color
 set to 
Off
 supports up to UHD 50P/60P 4:2:0 input signals, while the 
HDMI connection with 
HDMI UHD Color
 set to 
On
 supports up to UHD 50P/60P 4:4:4 and 4:2:2 input signals. For more 
 
"
When you connect the TV to an external device that supports only the UHD 24 or 30 Hz frequency or any FHD frequency, the 
HDMI UHD Color
 function may not be available. In this case, set 
HDMI UHD Color
 to 
Off
.
Using HDMI black level
     
Settings
   
General
   
External Device Manager
   
HDMI Black Level
Use HDMI Black Level to adjust the black level to compensate for low black levels, low contrast, or dull colors 
generated by external devices connected to the TV via an HDMI cable.
 
"
This function is only available when the input signal, connected to the TV via an HDMI connector, is set to RGB444.