BenQ PB8120 - Manual (Page 23)

Operation 19
3. Source Menu
FUNCTION DESCRIPTION
Mirror
Source
Selects the input source from among PC, Video, S-Video, and YP b P r,
when several sources are available.
Volume
Adjusts the volume level.
Treble
Adjusts the treble level.
Bass
Adjusts the bass level.
Mute
1. Default
2. Ceiling mounted projection
3. Rear screen projection 4. Ceiling mounted and rear
screen projection
Off
On