Operation
Communication Options
3-6 MC3000 Digital Deskset Operator and Installation Manual
(6880309L15-A)
To receive:
1. Listen for receive audio from the internal speaker.
You can only hear the receive audio if the Transmit button has been released. However,
Trunking Talk Permit Tones can be heard while the Transmit button is pressed.
Headset
The headset is used to reproduce incoming Select audio, provided the headset is con-
nected to the jackbox. The operator jackbox accommodates a standard dual-jack headset
connector.
Microphones
Each deskset includes an internal condenser microphone, and a jack for an external desk-
microphone.
Figure 3-2: Headset CDN6297 (left) and headset jackbox BLN7074 (right)
Figure 3-3: Desk microphone (HMN3000)
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