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Installing and Connecting the MTM300
Transceiver Trunnion Installation
Transceiver Installation
If the used microphone is different from the Motorola standard microphone (80 mV,
560 ohm) an interface could be used.
This can be placed either before the plug on the junction box or at P5.
Figure 44 shows two examples of installations with interfaces to the microphone.
*INTERFACE
Figure 44 Example of Installation with Microphone Interface
1.
Using the trunnion bracket as a template, mark the positions of the holes on the
mounting surface (see Figure 45). Use the innermost four holes for a curved
mounting surface, and use the four outmost holes for a flat surface.
2.
Centerpunch the spots you have marked and drill a 4 mm Ø hole at each mark.
3.
Secure the trunnion mounting bracket with the four screws provided, ensuring that
the trunnion is grounded.
1.
Ensure that the plastic guides are aligned (horizontal) to the transceiver grooves.
2.
Slide the transceiver grooves into the plastic guides until it snaps into place.
3.
Secure the transceiver with the two wing screws provided.
*INTERFACE
JUNCTION
BOX
P5
P4
JUNCTION
BOX
P5
P4
* The Interface box will not be provided by Motorola
Motorcycle Installation
LOW IMPEDANCE
DYNAMIC
MICROPHONE
LOW IMPEDANCE
DYNAMIC
MICROPHONE
41
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