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94 GPSMAP 198C Sounder Owner’s Manual
APPENDIX > MOUNTING THE GPSMAP 198C 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 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 198C Sounder unit is installed, connect
the cable to the antenna connector on the back of the unit.
Make sure that you turn the antenna cable connector 1/4
turn clockwise to lock the cable into place.
Mounting the GPSMAP 198C Sounder
Using the Gimble Mount
The GPSMAP 198C 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 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 198C
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 screen. This type of
failure and related consequences are NOT covered by the
manufacturer’s limited warranty.