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94 GPSMAP 188/188C Sounder Owner’s Manual
APPENDIX > MOUNTING THE GPSMAP 188/188C SOUNDER
To install the GPS antenna:
1. Screw the antenna directly onto the 1" x 14-thread mount.
2. Route the cable to the mounting location of the display unit.
Use the appropriate tie-wraps, fasteners, and sealant to
secure the cable along the route and through any bulkhead
or deck.
3. After the GPSMAP 188/188C Sounder unit is installed,
connect the cable to the antenna connector on the back of
the display unit. Make sure that you turn the antenna cable
connector 1/4 turn clockwise to lock the cable into place.
Mounting the GPSMAP 188/188C Sounder
Using the Gimbal Mount
The GPSMAP 188/188C Sounder’s compact, waterproof case is
suitable for mounting in exposed locations or at the nav station.
The unit comes with a gimbal bracket that can be used for surface
or overhead mounting. When choosing a location for the display
unit, consider the following conditions:
• There should be at least a 3" (7 cm) clearance behind the
case to allow connection of the antenna and power/data
cables.
• The mounting surface should be heavy enough to support the
unit and protect it from excessive vibration and shock.
NOTE: The temperature range for the GPSMAP 188/188C
Sounder is 5°F to 158°F (-15°C to 70°C). Extended exposure
to temperatures exceeding this range (in storage or operating
conditions) can cause failure of the display. This type of
failure and related consequences are NOT covered by the
manufacturer’s limited warranty.