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GPS Module Installation
Surface Mount
The GPS module can be easily installed on any flat surface that is at
least 3-1/2" (90 mm) wide. Be sure that a clear, unobstructed view of
the sky is available at the selected location. GPS signals travel "line-of-
sight" at very high frequencies, so nearly anything blocking the an-
tenna can stop the unit from finding a satellite. Caution: Do not mount
in line with a radar antenna. Radar radiates high-energy signals that
can interfere with GPS signal reception.
In an automobile, you may achieve good results by simply placing the
external antenna on the top of the dash, at the base of the windshield. A
piece of the rubber non-skid shelf liner material available in recreational
vehicle supply stores will help hold the antenna in place. This may not
work well if you have a cab-over design pickup truck camper or motor
home. If dashboard reception is poor, simply relocate the antenna mod-
ule elsewhere on the vehicle for a clearer view of the sky.
Once you’ve determined the mounting location, use the template on
page 34 to drill the screw holes. The screws supplied with this unit are
about 1-1/8" long (4mm x 30mm). Drill 3/16" (4.75 mm) holes for the
mounting screws.
If you need to route the cable through the mounting surface, drill a 1"
(25mm) hole for the cable's connector. There is a notch in the antenna
housing that allows the cable to pass through to the outside, if desired,
instead of routing it through the mounting surface.
After drilling the holes, pass the O-ring over the cable and press it into
the groove on the bottom of the antenna housing. Now attach the an-
tenna to the mounting surface, using 4 mm screws and the supplied lock
washers. Route the cable and the GPS module installation is finished.
Magnet Mount
A magnet (available as an option) lets you temporarily mount the GPS
module on any ferrous metal surface, such as a car. To use the magnet,
simply peel the backing off the magnet's adhesive coating and press the
magnet to the bottom of the antenna housing. The module is ready for use.
Under side view showing magnet.
Magnet