Proxima 9260 User Manual page 19

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.
USA
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computer IN 1
PC control 1
audio IN 1
video IN
R-audio-L (mono)
EXTERNAL
SPEAKER SYSTEM
computer IN 2 monitor OUT
PC control 2
Ext. speaker
(8Ω)
audio IN 2
S-video IN
video Y Cb/Pb Cr/Pr