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6878215A01

5-4 Motorcycle Radio Installation Installation Overview

5.2.2 Important Installation Hints

Consider the following when mounting the radio components:

• Excess lengths of control-head, power, ignition sense, and speaker cables must be routed in

the enclosure as shown in Figure 5-16.

• All components must be mounted securely in order to withstand the constant and sometimes

severe vibration experienced on a motorcycle.

• No cantilever action, which could cause severe vibration, should be generated in the mounting

hardware.

• The control head and microphone must be placed for ease of accessibility by the motorcycle

operator.

• Forward components (control head, microphone, and speaker) should not interfere with visual

or physical access to controls and instruments.

• Forward components should not interfere with the handling of the motorcycle.

• Cabling between the control head and the radio chassis should be run to minimize interference

with operator movements.

• The weather-resistant enclosure should be placed to avoid any interference with the motorcycle

operator.

• Electrical continuity must be present through the enclosure shock mounts to the motorcycle

frame for proper electrical and RF grounding.

• The antenna(s) are designed for mounting on the top of the weather-resistant enclosure.

• Only the supplied microphone mounting clip should be used to ensure secure mounting of the

microphone. This clip has a very strong spring to ensure positive retention of the microphone

over rough terrain. Also, there must be electrical continuity from this clip to the motorcycle

frame for DC grounding.

• Direct access to the microphone should be provided from both sides of the motorcycle.

• Sufficient slack in the microphone coiled cord should be allowed so as not to impede steering.

• Mounting hardware must be stainless steel to prevent corrosion.

• If an extra length of cable is used to extend the microphone, ensure that the added capacitance

does not interfere with the operation of the radio.

Motorola ASTRO APX O2 User Manual

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