Samsung UN46ES7500F E-Manual page 48

on the right-hand side of the channel
number in the channel banner.
N
To reset fine-tuning, select the
channel, select
select
Crosstalk Noise Reduction
→
Menu
Reduction
(analog channels only)
This function reduce diagonal noise
in picture caused by the crosstalk of
Reset
Channel
Fine
on the
→
Crosstalk Noise
Tune, and then
Fine Tune screen.