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Pub. 42004-145C
Model 723-001 Remote Handset/Speaker Amplifier Page:
4 of 6
\\s_eng\gtcproddocs\standard ioms - current release\42004 instr. manuals\42004-145c.doc
01/04
Maintenance
The following adjustments are accessible through the rear chassis of the remote amplifier using a small
standard screwdriver. Each adjustment is clearly labeled:
• Microphone Gain: adjusts the gain level from the microphone signal to the page or party lines.
• Receiver Sidetone: adjusts the signal transmitted from the microphone to the receiver of a handset.
• Receiver Volume: adjusts the gain level from a party line to the receiver.
Troubleshooting
The following table lists some hints to aid technicians in troubleshooting:
Problem Solution
Feedback/distortion (a hum or
buzz on the line) occurs during all
Page/Party
®
station operation.
The line may be improperly terminated. Inspect the system cable
for loose connections, shorts, and grounds. Line balance assembly
connections are critical.
Associated speaker level requires
adjustment.
1. Adjust the speaker volume control located on the front panel of
the subset, if equipped. Refer to Figure 1.
2. Adjust the speaker volume control at the amplifier. Use a small
standard screwdriver to perform these adjustments. Refer to
Figure 1.