GDH 103

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GDH 103

Familiarize yourself with the equipment in the room

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AV Cabinet

Power Supply

• The power switch (highlighted in the red) needs to be always left ON.

• The power outlet (highlighted in the green) can be used to power your device.

Main PC

When the PC is on, the light illuminates WHITE, if you find the PC turned off, press the power button once. 

Do not shut down the main PC.

When finished, log off of the main PC.

Troubleshooting the computer

If you think the PC is unresponsive, press and hold the power button for a few seconds to force a shut down, wait a few seconds, and then press the power button once to turn it on.

Video Switcher

The video switcher helps select between multiple incoming video sources.

• Identify the correct input number for your device connection and select it by pressing the appropriate button

• The active selection is backlit with a red light

#1 - Main PC

#2 - Guest HDMI

#3 - Not in use

#4 - Not in use

#5 - Not in use

#6 - Not in use

#7 - DVD/VHS

#8 - Not in use

Room Audio

Note: Make all audio adjustments on the main PC.

• Click the speaker icon (outlined in red).

• Drag the slider on the bar left to turn down and right to turn up the volume (outlined in green).

The computer volume is muted if you see the speaker icon with an “x” next to it (outlined in red/green).

• To unmute the computer, click the speaker icon with the “x” that is outlined in green.

Amplifier

• Potentiometers (outlined in red) are used to optimize level, bass, and treble settings.

• The LED light (outlined in green) illuminates green when the MPA 401 unit is receiving power and active. It lights amber when the unit is on standby.

Troubleshooting Audio

If you have no/low audio, it could be:

1. The video volume is turned off/down.

2. The computer volume is turned off/down or is muted.

3. (Start with Steps 1 & 2) The amplifier potentiometers have been turned off/down.

DVD / VHS

To turn on, press the power button (outlined in red).

To open the DVD tray, press the button outlined in green.

Projector

Point the remote at the front of the projector.

Turning on the projector: Press “On” once (outlined in red).

Turning off the projector: Press “Off” twice (outlined in green).

Projector Screen

The projector screen is manual and there is a string at the bottom center.

To raise the screen, pull the screen by the string out away from the chalkboard a couple of feet, pull down, and release, allowing the screen to retract.

To lower the screen, pull down on the string and let go near the chalkboard shelf for full extension.

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