haier 29T9D - Manual (Page 16)

MUTE
Convenient picture and sound control functions
Continued
MUTE
Sound mute
1 Press the MUTE button on the
remote control and "MUTE" type
face will display on the lower part
of the screen. At this time, the
sound of the TV set is turned off.
2 If you want to recover the sound,
press the MUTE button again or
directly press the VOL-/+ buttons.
Mute function