ICA700 Rev0707
9
Operational Check
Basic System Check
1. Turn on 12 VDC power to intercom.
2. Set mode select rocker switches to hands free mode on station boxes.
3. Speak into the station box.
Result: Voice is heard at all stations. (Adjust volume knob for receive level.)
4. Repeat step 3 at each station box.
PTT Check
Perform this test for each station that has the PTT function enabled.
1. Set mode select rocker switch for PTT operation.
Result: Mode indicator LED flashes.
2. Speak into the station box.
Result: Voice is not heard at any station.
3. Press PTT button and speak into station box.
Result: Voice is heard at all stations.
4. Repeat for each station.
External Microphone Check
If a standard station box is used, make sure the mode select rocker switch is placed
in the hands free position.
1. Plug the external microphone cable into the station box.
2. Speak into the station box.
Result: Voice is not heard at any station.
3. Speak into the external microphone.
Result: Voice is heard at all stations.
