Sound System (Instructor Workstation)

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Wire diagram:

Audio Amplifier input: left and right channels go to pre-amp left/right channels.

Audio Amplifier output: one pair of cables for each of the two speakers on top of bathroom (left and right speakers).

Audio PreAmp input: Input 1 is an RCA (red and white) cable converted to 3.5mm plugged into the rear of the instructor desktop (green 3.5mm port).

Audio PreAmp input: Input MP3 is a crazy long 3.5mm cable (like 25ft) that is disconnected. To be connected as needed to third party devices such as laptops or cell phones for presentations/music.

Audio PreAmp output: left and right channels go to amplifier left/right channels.

Instructor workstation: Green 3.5mm audio output is converted to RCA (red and white) to pre-amp input 1.


Power on instructions:

1. Set "Audio PreAmp" to on by pressing power button on left. The button will illuminate RED when on.

2. Set "Audio Amplifier" on by pressing power button on right. An LED will illuminate BLUE when on.

3. Identify audio source as a 3rd party device or instructor desktop.

3a. Instructor desktop: Set "Input" on "Audio PreAmp" to "1" by turning "input" nob.

3b. 3rd party device with 3.5mm audio jack: Set "Input" on "Audio PreAmp" to "MP3" by turning "input" nob.

4. Play audio.

5. Tune "Volume" nob on "Audio PreAmp" to comfortable levels.