Samsung PN51E490B4F E-Manual page 42

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Auto Volume (Off / Normal / Night)
Normal
channels, the volume level is the same.
Night equalizes and decrease the volume level on each channel, so each
channel is quieter.
volume low.
To use the volume control on the source device connected to the TV,
N
set
control of the source device may not be applied.
◀
equalizes the volume level on each channel, so that when you change
Night is useful at night, when you may want to keep the
to
Auto Volume Off
on the TV. Otherwise, a change to the volume
English
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