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JBL CSA 2120Z Power Amplifier
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Power button- Illuminated ring around the power switch.
Green - indicates that the unit is connected to the AC mains and is in standby or sleep mode.
Blue - indicates that the unit is on and in normal operating mode.
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Master 1 - controls the volume output of the speaker to the right of the projector screen
Master 2 - controls the volume output of the speaker to the left of the projector screen
DVD / VHS
Document Camera
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Projector
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