TM8100/TM8200 Service Manual TMAA02-07 Concealed Microphone 519
© Tait Electronics Limited November 2007
22 TMAA02-07 Concealed Microphone
The TMAA02-07 concealed microphone is installed inside the
speaker grille of the graphical-display control head. If the radio
is placed in emergency mode, the concealed microphone can be
used to monitor activity around the radio.
The TMAA02-07 kit is used for radios with a graphical display
control head. For radios with 1-, 2- or 3-digit display control
heads, the TMAA02-06 kit is used (refer to “TMAA02-06
Support Kit for Concealed and Dynamic Microphones” on
page 519).
22.1 Installation
Important This equipment contains devices which are susceptible to
damage from static discharges. Refer to “ESD Precautions”
on page 112 for more information.
Removing the Radio
Control Head
To install the concealed-microphone capsule, the control head must be
removed from the radio.
Important During this procedure, take care that the control-head seal
is not damaged. Damage to this seal reduces environmental
protection.
1. On the underside of the radio,
insert a 5mm (3/16 inch) flat-
bladed screwdriver between the
control head and the control-head
seal, in either position or .
Insertion points and are
lever points and are indicated on
the radio chassis by a dot-dash-dot pattern (
•
–
•
).
2. Use the screwdriver to lift the control head off the chassis clip, then
repeat in the other position.
3. Unplug the control head loom from the radio body.
concealed microphone
(capsule, rubber seal and wires)
lever point
control-head seal
indication of
lever point
1
2
1
2
1
2
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