GAI-Tronics DHS-201 Digital Intercom Stations - Manual (Page 24)

Pub. 42004-453C
M ODEL DHS/DHF 200 S ERIES D IGITAL I NTERCOM S TATIONS Page 22 of 25
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Maintenance
WARNING
Always remove power to this station prior to servicing.
General Information
1. Inspect and replace frayed or cracked wiring.
2. Secure/replace loose wires, ferrules, and terminal lugs.
3. Remove corrosion from terminals.
4. Inspect fuses F2, F5, and F6 of the Audio Interface PCBA.
Troubleshooting
Problem Possible Solution
Low volume
(unit speaker, handset
receiver, or headset
receiver) 1. Increase the volume settings via potentiometer R75 (UNIT SPKR), R73
(HNDST VOL).
2. Increase the Master Volume setting by pressing B on the front panel
keypad and then pressing C to set.
3. Increase the Intercom Level Setting of the 69547-101 Intercom Assembly
by rotating the potentiometer RM counterclockwise. Caution! This will
affect the mic/speaker switching levels.
High volume
(unit speaker, handset
receiver, or headset
receiver) 1. Decrease the volume settings via potentiometer R75.
2. Decrease the Master Volume setting by pressing A on the front panel
keypad and then pressing C to set.
3. Decrease the Intercom Level Setting of the 69547-101 Intercom
Assembly by rotating the potentiometer RM clockwise. Caution! This
will affect the mic/speaker switching levels.
Low volume
(external speaker) 1. Increase the volume settings via potentiometer R43 (EXT SPKR
LEVEL).
2. Increase the Master Volume setting by pressing B on the front panel
keypad and then pressing C to set.
3. Increase the gain setting on P36/P37.
4. Increase the Intercom Level Setting of the 69547-101 Intercom Assembly
by rotating the potentiometer RM counterclockwise.
Caution! This will affect the mic/speaker switching levels.
High volume
(external speaker) 1. Decrease the volume settings via potentiometer R75.
2. Decrease the Master Volume setting by pressing A on the front panel
keypad and then pressing C to set.
3. Decrease the gain setting on P36/P37.
4. Decrease the Intercom Level Setting of the 69547-101 Intercom
Assembly by rotating the potentiometer RM clockwise.
Caution! This will affect the mic/speaker switching levels.