Adjustment; Interface Specification - Tait TM8100 mobiles Service Manual

32.3

Adjustment

32.4

Interface Specification

590 TMAA10-01 Desktop Microphone
3. Squeeze the grommet and push the remaining corners into position.
4. Check that the grommet is seated correctly in the cavity.
Figure 32.1 Correct desktop microphone grommet seating
Adjust the output sensitivity of the desktop
microphone using R5. R5 is accessible from the
underside of the desktop microphone, as shown.
The microphone sensitivity is set to maximum by
rotating R5 counterclockwise.
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.
Table 32.1 Desktop microphone connector—pins and signals
Pin
1
2
3
4
5
6
7
8
microphone
grommet
control head
Signal Colour
— —
— —
— —
MIC_PTT yellow
MIC_AUD red
AGND bare
— —
— —
© Tait Electronics Limited November 2007
adjust R5 here
Description
not connected
not connected
not connected
PTT
audio from the microphone
analogue ground
not connected
not connected
TM8100/TM8200 Service Manual