Samsung LTM1555BX-XAA - Manual (Page 25)

3.6
O
P E R AT I O N
Adjusting the Volume
1
Press the VOL + or VOL – buttons to increase or decrease the volume.
1
Press MUTE and the sound cuts off.
The word “Mute” will appear in the lower-right corner of the screen.
2
To turn mute off, press the MUTE button again, or simply
press either the VOL + or VOL – button.
Using Mute
At any time, you can temporarily cut off the sound using the Mute button.