Garmin GPSMap 498 Owner's Manual - Page 96
Mounting the GPSMAP 392/398/492/498, Using the Swivel Bracket Mount - power data cable
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APPENDIX > MOUNTING THE GPSMAP 392/398/492/498 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 492/498 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 392/398/492/498 Using the Swivel Bracket Mount The GPSMAP 392/398/492/498's compact, waterproof case is suitable for mounting in exposed locations or at the nav station. The unit comes with a single-knob tilt & swivel bracket that can be used for surface or overhead mounting. When choosing a location for the display unit, make sure you consider the following conditions: • There should be at least a 3" (7 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 GPSMAP 392/398/492/498 unit's with the built-in internal antenna, should be mounted in a location that provides a clear, unobstructed view of the sky in all directions to ensure the best reception. Avoid mounting the unit where it is blocked by the boat's superstructure, a radar arch, or mast. NOTE: The temperature range for the GPSMAP 392/398/492/498 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. 88 GPSMAP 392/398/492/498 Owner's Manual