BOXLIGHT CD-850m - Manual (Page 25)

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Using the audio
To play sound from the projector, connect your source to the Audio In con-
nector on the projector.
To adjust the volume, use the buttons on the keypad or remote.
To mute the sound, press the Mute button.
Troubleshooting audio
If there is no sound, check the following:
• Make sure the audio cable is connected.
• Make sure mute isn’t active.
• Make sure the volume is turned up enough. Press the volume button
on the keypad or remote.
• Make sure that if you are connected to Computer 1 on the back of the
projector, that you are also connected to the corresponding audio in. If
you are connected to Computer 2, be sure you are connected to its cor-
responding audio in.
• Adjust the audio source.
• If playing a video, make sure the playback has not been paused.
Connecting external speakers
The projector can be attached to external speakers that have their own
power source by plugging speaker cables into the projector’s left and right
Audio Out
connectors.
computer 1 computer 2
video
monitor out network
serial control
audio in
audio in audio in audio out
R
R
L L
Y
Pr
Pb
s-video
computer in
connect audio cable
adjust volume
computer 1 computer 2 audio in
audio in
computer in
computer 1 and
corresponding audio
computer 2 and
corresponding audio
computer 1 computer 2
video
monitor network
serial control
audio in
audio in audio in audio out
R
R
L L
Y
Pr
Pb
s-video
computer in external
speaker
audio out
cable
speakers