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7. B Channel Indicator (Channel 2)
Green while listening to channel 2 and red when talking on channel 2.
8. C Button (Talk ISO)
Press and hold to talk to all Beltpac users independent of their channel selection.
9. C Indicator (ISO)
Lights red while talking on ISO.
10. D Button (Talk Page)
Press and hold to talk on the paging output of the base. All Beltpacs will hear the transmission as well. The
base station paging relay will energize while the button is held.
11. D Indicator (Page)
Lights red while paging.
12. Auxiliary Volume Control
Controls mix level of Beltpac auxiliary input (on bottom of Beltpac) or the level from a second (optional)
receiver, if installed.
Press and hold control button in to mute auxiliary input.
Holding the C and D buttons while turning the Beltpac power on will disable all indicator LED’s until the next
time the Beltpac power is turned off and on again.
Beltpac Audio Connectors and Mic Gain Adjustment
1. Headset
Connector
XLR type connector. Automatically adjusts for electret or dynamic microphones.
2. Headset Microphone Gain Adjustment
Adjusts headset microphone gain
±
10dB.
3. Auxiliary Input Connector
1/8 inch (3.5 mm) jack receptacle for line level monaural audio source.
If the Beltpac includes a second (optional) receiver, plugging into this location will disconnect the audio
from the second receiver and connect the audio from the auxiliary input device in its place.
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