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SET-UP & OPERATION
Connecting the Power Supply
• Locate the power supply and AC power cord. Connect the AC power cord into
the DC power supply.
• Insert the DC connector into the “Power” on 975 and plug the other end to an
electrical outlet.
• The 975 automatically powers on and the white Power light on the front panel
will appear.
975
Classsroom Audio System
and Power Supply
Input
Priority
Power
24VDC / 2.5A
Speaker Outputs
1
2
Audio Inputs
Class 2 Wiring
Optical
Adjust
Page
First
Relay
Input
Contact
Closure
