Classroom for the Future graphic

Photo of Cassette PlayerAuxiliary Audio Devices
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If necessary, you can connect auxiliary audio equipment to the system for amplification over the room speakers. When using sound-only presentation materials, you do not have to turn on the Multi-Media Projector to activate the sound system. Auxiliary Audio Devices that you can use in the “Classrooms for the Future” include:

Three color-coded jacks on the Control Panel allow you to connect Auxiliary Devices to the system. The yellow jack is for video inputs, which is not used for audio equipment. Use the white and red jacks for stereo left and right connections (or the white jack only for mono sound sources). Once connected, choose "Auxiliary Video" as your display source.


Connecting a Cassette Player
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When connecting a cassette player (or other auxiliary sound-only source), it is not necessary to turn on the Multi-Media Projector, unless you intend to show pictures from some other source.

Close-up of Audio output

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Connect the Audio cable from the Cassette Player audio out jack to the Auxiliary Jacks on the Control Panel. Use white & red jacks for stereo left & right, or use only the white jack for a mono signal (as shown). » Close-up of Aux inputs
Close-up of Source Buttons
» Select "Auxiliary Video" as your source, then play the audiocassette, and adjust the sound level with the Volume knob. »
Close-up of Volume Knob

Troubleshooting Auxiliary Audio Devices
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If you don't find a solution to your particular problem here, please e-mail the Academic Media Technology Dept. We will get back to you as soon as we can, and will add your solution to our Troubleshooting Grid.

Problem Possible Cause Solution
No image appears on the projector screen This is correct Your Auxiliary Audio Device does not have a visual component. It is sound-only, so you do not need to even turn on the Projector.
No Sound Cables not connected properly Connect audio out from your Device to audio in on Control Panel as described above.
  System Volume not turned up Turn up the System Volume with the Volume knob on the Control Panel.
  Audio Device volume not turned up Turn up the volume on your Audio Device.
  Audio Device not playing Press the Play button on your Audio Device.
  Bad Audio cable Replace with good Audio cable.
  Wrong source selected Press the Source button on the Control Panel labeled Auxiliary Video.
Low Sound level System Volume not turned up Turn up the System Volume with the Volume knob on the Control Panel.
  Audio Device volume not turned up Turn up the volume on your Audio Device.
  Audio source media has low sound quality Use better source material.

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