Canon LV-7525 Owner's Manual page 18

CONNECTING THE PROJECTOR
CONNECTING TO THE EXT. SP. JACK (3.5 mm mini stereo type)
This jack outputs stereo speaker sound which viewing on screen. If you use external speaker system, connect stereo type
external speaker jack. Internal speaker sound is disconnected when speaker jack is connected.
18
COMPUTER IN 1
CONTROL PORT 1
AUDIO 1
(STEREO)
R L
AUDIO
(MONO) VIDEO
EXTERNAL
SPEAKER SYSTEM
MONITOR OUT
COMPUTER IN 2
CONTROL PORT 2
EXT. SP
(8
AUDIO 2
(STEREO) (STEREO)
Y Cb/Pb Cr/Pr
S-VIDEO