Samsung PN51F4500AF User Manual page 41

●
When the TV is connected to a PC, you can only make changes to
Backlight
Sharpness.
●
You can adjust and store settings for each external device connected to
the TV.
●
Lowering picture brightness reduces power consumption.
◀
/ Cell Light
for LED TV
English
, Contrast, Brightness, and
for PDP TV
▶