Samsung PN51F5300AFXZA - Manual (Page 41)

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