Owner's Manual

GPS 158 Owner’s Manual 9
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See the Important Safety and Product Information beginning on page 13 for product
warnings and other important information�
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Always wear safety goggles, ear protection, and a dust mask when drilling, cutting,
or sanding�
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• Drill and drill bits
•
3
/
8
in� wrench or socket
• Masking tape
• Number 2 Phillips screwdriver
• Marine sealant
• Hardware for the swivel mount (bolts or screws)
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Before permanently installing any part of the device, plan the installation by
determining the location of the various components� Verify that the cables are long
enough to connect the components to each other and to power�
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The device is mounted using the included swivel mount� When planning a mounting
location, choose a location that you can see as you operate your vessel, provides
easy access to the keys on the device, and is the appropriate distance from a
compass�
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Select a mounting location (page 9)�
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Prepare the swivel-mount base (page 9)�
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Fasten the mount with the cables installed in the mount (page 11), or without the
cables installed in the mount (page 10)�
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For optimal performance, consider these guidelines when selecting the swivel-
mount location�
• The location provides a clear view of the screen and access to the keys on the
device�
• The location is sturdy enough to support the device and the mount�
• You can route the cables either from under the swivel mount, or from behind the
device�
• The location is the appropriate distance from a compass�
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Use pan-head screws or bolts when securing the swivel-mount base� Screws or
bolts with countersunk heads will damage the base�
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After you have chosen the location to install the swivel mount (page 9),
determine whether you will attach the mount to the surface using screws or
bolts, and choose the appropriate fastening hardware:
• To attach the base with screws, use self-tapping, pan-head wood screws,
either size #8 or a diameter of
5
/
32
in� (4 mm), with an appropriate drill bit for
the pilot hole�
• To attach the base with bolts, use pan-head bolts, either size #8 or a
diameter of
5
/
32
in� (4 mm), with the appropriate washers and nuts� Use a drill
bit of the same diameter as the bolt�