6 - 26
Removing and Installing the Microphones
Recommended tools: tweezers or narrow blade knife, mini flat-tip screwdriver.
To remove the top microphone from the unit
(See Figure 22 on page 6-30, item No. 7)
1. Remove the Rotary Switch from the unit. Refer to "Removing and Installing
2. To remove the top microphone, press lightly on its rubber boot and slightly
3. With an upward motion of the tweezers or knife, remove the microphone. The
To install the top microphone
1. Insert the microphone into location.
2. Install the Rotary Switch.
To remove the bottom microphone from the unit (not applicable for
MTP850 S and MTP850 FuG terminals)
(See Figure 22 on page 6-30, item No. 7)
1. Remove the internal assembly from the unit. Refer to "Removing and
2. Using tweezers or a mini flat-tip screwdriver, remove the bottom microphone.
To install the bottom microphone (not applicable for MTP850 S and
MTP850 FuG terminals)
1. Insert the microphone into location.
2. Install the Internal Assembly.
MTP850 TETRA Handportable Terminal / Basic Service Manual
the Rotary Switch" on page 6-24.
insert the tweezers or knife inside the boot between the microphone plastic
housing and the rubber boot.
microphone might be damaged during the removal and should then be
replaced by a new one.
Installing the Internal Assembly" on page 6-15.
MAINTENANCE