Samsung PN51D490A1DXZA - Manual (Page 76)

◀ ▶
English
N
When Speaker Select is set to TV Speaker .
● TV Speaker : On , External Speaker : On
N If there is no video signal, both speakers will be mute.
● Auto Volume ( Off / Normal / Night ): To equalize the volume level on each
channel, set to Normal .
Night : This mode provides an improved sound experience compared to
Normal mode, making almost no noise. It is useful at night.
■
Reset Sound ( OK / Cancel )
Reset all sound settings to the factory defaults.