GAI-Tronics 701-305 Handset/Speaker Amplifier (CE Mark) - Manual (Page 3)

Pub. 42004-365D
Model 701-305 Handset/Speaker Amplifier Page 3 of 5
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Maintenance
The following adjustments are accessible through the rear chassis of the amplifier using a small standard
screwdriver. However, these levels have been factory-set for optimal performance. Do not adjust these
levels unless you have followed all the steps in the Troubleshooting section and are still not satisfied with
the station performance. Each adjustment is clearly labeled:
 Microphone Gain: adjusts the gain level from the microphone signal to the page or party lines
 Receiver Sidetone: the amount of signal transmitted from the microphone to the receiver of a handset
 Receiver Volume: adjusts the gain level from a party line to the receiver
 Speaker Amplifier Gain: adjusts the speaker volume; also accessible from the front panel
Fuses
WARNING
Do not remove fuses when energized. Replace with the same type and size fuse.
F1 = T.050A, 250V, 5 20mm, IEC 60127-2.
F2 = T.630A, 250V, 5 20mm, IEC 60127-2.