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Appendix G
Unit Installation
Mounting the GPS 152 Unit
The GPS 152’s compact, waterproof case is suitable for mounting in exposed locations or at the nav
station. The unit comes with a gimbal bracket and may be surface mounted or fl ush mounted. When
choosing a location for the display unit, make sure you consider the following conditions:
• There should be at least a 3” (5 cm) clearance behind the case to allow connection of the antenna
(external antenna only), power/data cables.
• The mounting surface should be heavy enough to support the unit and protect it from excessive
vibration and shock.
• For units with the built-in internal bail mount antenna, it should be mounted in a location that has
the clearest, most unobstructed view of the sky in all directions to ensure the best reception. Avoid
mounting the unit where it will be blocked by the boat’s superstructure, a radar arch, or mast.
The temperature range for the GPS 152 is 5°F to 158°F (-15°C to 70°C). Extended
exposure to temperatures exceeding this range (in storage or operating conditions) may
cause failure of the LCD screen. This type of failure and related consequences are NOT
covered by the manufacturer’s limited warranty.
To surface mount the GPS 152 unit:
1. Place the mounting bracket in the desired location.
2. Mark and drill the four mounting holes for the fastener you are using.
3. Fasten the bracket to the surface using the appropriate fastener.
4. Insert the GPS 152 into the mounting bracket. The bracket is designed for a tight fi t to provide
additional support when swiveling the unit.
5. Screw the two mounting knobs through the bracket and into the display case.
6. Connect the power/data and antenna cables (external antenna only) to the back of the unit, making
sure the locking rings are fully tightened on both connectors.
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152 Manual Part 2.indd 81 11/27/2002, 2:56:52 PM