User's Manual

Table Of Contents
12
Installation Planning
The Motorola ASTRO™ APX™ Vehicular Adapter (APX VA) is an accessory
designed to adapt APX6000 series portable radios for vehicular operation and
battery charging. The APX VA System consists of the following components:
•console
hand-held microphone
power cable
trunnion or U-bracket (with its mounting hardware)
mounting hardware (trunnion to console screws)
external speaker (optional)
roof-top antenna (not supplied)
other optional accessories (installation not covered in this manual)
Before starting the installation, plan the location of the console, microphone,
antenna and external speaker (optional). Identify the routing path for all cables.
Verify that the cable lengths are sufficient.
Also, check the mounting penetrations required. On most vehicles, it is
necessary to penetrate the firewall to reach the battery. Check the opposite
side of the firewall for cable clearance before drilling holes, and protect the
cable where it passes through the firewall by using grommets (not provided) or
other similar protective measures. Survey the firewall for existing holes
occupied by vehicle wire harnesses. Often there is an opportunity to route
other cables using the same path. Because of the wide variations in vehicle
design, these instructions may be modified to suit each particular installation.
Note: This manual assumes that the Console is mounted under the dash.
Other mounting configurations are possible but not addressed in this
manual.
A properly installed APX VA will minimize service calls and equipment
downtime. Motorola recommends adherence to all of the guidelines and
instruction when planning the installation:
Do insert S-hooks (not provided) on cables into restraining holes for strain
relief.
Do use heat-shrink tubing (not provided) on all splices.
Do ensure that unit cables are not placed under stress, are not exposed
to weather, and are not subjected to damage due to engine heat.
Do retain in-line cable fuses when trimming cables to fit. Locate in-line
fuses as close as practical to the supply voltage connection.
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