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Dash Mounting
General
Installation Planning
The MTM300 is mounted in a trunnion either on the transmission hump or on top of or
under the dash. Refer to Figures 1 and 2.
Planning is the key to fast, easy radio installation. Before a hole is drilled or a wire is run,
inspect the vehicle and determine how and where you intend to mount the antenna, radio,
and accessories. Plan wire and cable runs to provide maximum protection from pinching,
crushing, and overheating.
The installation planning should only be undertaken by persons who are competent and
able to ensure that the complete installation fulfils its regulatory requirements, such as
EMC (ElectroMagnetic Compatibility).
To install the MTM300, proceed as explained in the following paragraphs while referring
to Figure 3.
The following list of considerations should, as a minimum, be checked during installation
planning:
•
When mounting the trunnion on the transmission hump, take care the transmission
housing is not affected.
•
Mount the radio horizontally at a position which enables the driver to view the controls
and operate them easily.
•
Wherever you place the radio, ensure that it is protected from dirt and moisture.
•
Verify that there is sufficient space around the radio to allow air flow and removal.
•
Check whether you have enough space to accommodate the power cable connector and
antenna coaxial cable.
•
Verify that the antenna cable is routed in the shortest way, to minimize power loss over
the cable.
•
Check that the mounting surface is able to support the weight of the radio.
•
Although the trunnion can be mounted on a plastic board, it is recommended to attach
it to the metal frame of the vehicle.
Speaker
Battery
Figure 1 Example of Top or Under Dash Mounting
Antenna
Radio
Radio
Dash Mounting
7
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