570 TMAA10-07 Desktop Microphone TM8100/TM8200 Service Manual
© Tait Electronics Limited June 2006
2. Slide the grommet along the cord and push two adjacent corners of the
grommet into the microphone socket cavity.
3. Squeeze the grommet and push the remaining corners into position.
4. Check that the grommet is seated correctly in the cavity.
33.3 Adjustment
Adjust the output sensitivity of the desktop
microphone using the control accessible from the
underside of the desktop microphone,.
The microphone sensitivity is set to maximum by
turning the control fully clockwise.
33.4 Radio Programming
The desktop microphone has an internal pre-amplifier. Therefore, the
dynamic microphone support in the UI Preferences form of the radio’s
programming application should not be enabled.
33.5 Interface Specification
The following table and diagram summarizes the signals used for the desktop
microphone on the radio’s microphone connector and shows the interface
between the desktop microphone and the radio.
Figure 33.1 Correct desktop microphone grommet seating
microphone
grommet
control head
adjust output level here
Table 33.1 Desktop microphone connector—pins and signals
Pin Signal Description
1 — not connected
2 — not connected
3 — not connected
4 MIC_PTT PTT
5 MIC_AUD audio from the microphone
6 AGND analogue ground
7 — not connected
8 — not connected
To Next Page
Loading...
Need help?
General
