3M Company OPTICOMGPS1 Manuel D’Utilisation

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Vehicle Equipment Installation Instructions 
 
 
11 
5  Installation 
This section describes the installation of 3M™ 
Opticom™ GPS Priority Control System vehicle 
equipment. 
Please read and fully understand the following 
paragraphs before starting the installation.
 
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Before cutting or drilling any openings in the 
vehicle or lightbar, draw a diagram showing 
placement, measurements, and dimensions.  Use 
the diagram to avoid drilling or cutting holes in 
undesirable locations. 
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Always follow the vehicle manufacturer's 
recommendations for modification, alteration, 
and installation or connection of accessories or 
equipment to the vehicle and lightbar. 
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Installation on specialty vehicles (such as 
motorcycles, parking enforcement, utility, and 
special maintenance vehicles) requires 
particular care and attention to details. 
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Do not mount the radio/GPS antenna within 18 
inches of any other radio antenna.  Follow the 
installation instructions to avoid possible radio 
frequency interference problems. 
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The radio/GPS unit is not watertight; 
therefore it should be mounted inside the 
passenger compartment or some other 
protected area of the vehicle. 
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The radio/GPS antenna should be mounted level 
and as high on the vehicle as possible.  The 
radio/GPS antenna should have an unobstructed 
view of at least 50% of the sky. 
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The radio/GPS antenna must not be obstructed 
by lightbars, speakers, antennas, or other devices 
especially towards the front of the vehicle. 
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If necessary an alternate mounting bracket is 
available for mounting on vehicle mirrors and 
vertical posts.  This bracket is available from 
Mobile Mark Communications Antennas 
(www.mobilemark.com, 1-800-648-2800). The 
part number is SM-MM, price is approximately 
$15. 
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Wires that are routed under carpets or mats 
should be run between the pad and the carpet.  
This will minimize abrasion and heat damage 
from catalytic converters. 
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Protect cables with armor or sheathing when they 
are routed around sharp corners and edges.  
Avoid routing cables through potential pinch 
points.  Clamp or tie all cables in place.  Route 
and secure cables well away from moving parts. 
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Do not paint the radio/GPS antenna cover.  Metals 
or metal oxides in the paint may interfere with 
GPS reception and/or radio reception and 
transmission. 
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Do not modify the radio/GPS unit circuitry.  There 
are no user serviceable parts inside. 
  
IMPORTANT NOTE
 
 
Modifying the radio/GPS unit may seriously 
damage the equipment and void the 
warranty.  Do not attempt to modify the 
radio/GPS circuitry in any way.
  Modifying 
the radio and/or antenna in any way may 
cause the radio to violate FCC requirements. 
 
5.1  Vehicle Radio/GPS Unit Installation 
This subsection describes how to install the vehicle 
radio/GPS unit.