C H A P T E R 5
Troubleshooting your interactive whiteboard system
39
Resolving audio issues
The projector includes speakers that are connected to the audio output connector in the
projector’s connection panel. If no sound is coming from your speakers or audio system, perform
the following procedure.
The projector includes an internal speaker. You can also connect an external audio system to the
audio output connector in the projector’s connection panel. If sound isn’t coming from either your
internal speaker or your external audio system, perform the following procedures.
N O T E
You might need to configure your computer to pass audio through HDMI if it isn’t configured
automatically.
To resolve audio issues, complete the following tasks:
l
If you’re using optional external speakers or an external audio system, ensure that the
speakers’ or audio system’s cables are properly connected to the audio output plug on the
projector’s connection panel.
l
For the purpose of troubleshooting, enable both the internal and external speakers by
ensuring that the System Output Switch in the audio menu is set to
Line Out + Speaker
.
l
Ensure that the video cable from your computer is connected to the appropriate video
connector on your projector.
l
If you’re using a VGA cable, ensure that the analogue audio cable from your computer’s
audio output is connected to the projector’s VGA audio input connector.
l
Press the
Mute
button on the projector’s remote control and if Audio Mute is on turn it off.
l
Use the projector’s remote control to ensure that the volume isn’t at the lowest setting.
l
If you’re using an external audio system, ensure that your speaker or audio system is on and
that the volume is turned up.
l
Check that your video source input, such as your computer or video device, isn’t
malfunctioning. Ensure that its audio output is on and that the volume isn’t set to the lowest
position.
N O T E
You must display the source input’s video to play its audio through the connected
speakers or audio system.
l
Ensure that the correct audio output device is selected in your computer’s Sound settings.