Garmin GPSMAP 392, 398, 492, 498 Owner's Manual

Also see for GPSMAP 392, 398, 492, 498: Quick reference guide Specifications

Contents

88 GPSMAP 392/398/492/498 Owner’s ManualAPPENDIX > M OUNTING THE GPSMAP 392/398/492/498To 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 theappropriate tie-wraps, fasteners, and sealant to secure thecable along the route and through any bulkhead or deck.3. After the GPSMAP 492/498 unit is installed, connect thecable to the antenna connector on the back of the unit.Make sure that you turn the antenna cable connector 1/4turn clockwise to lock the cable into place.Mounting the GPSMAP 392/398/492/498Using the Swivel Bracket MountThe GPSMAP 392/398/492/498’s compact, waterproof case issuitable for mounting in exposed locations or at the nav station.The unit comes with a single-knob tilt & swivel bracket that can beused for surface or overhead mounting.When choosing a location for the display unit, make sure youconsider the following conditions:• There should be at least a 3" (7 cm) clearance behind thecase to allow connection of the antenna (external antennaonly), power/data cables.• The mounting surface should be heavy enough to support theunit and protect it from excessive vibration and shock.• For GPSMAP 392/398/492/498 unit’s with the built-ininternal antenna, should be mounted in a location thatprovides a clear, unobstructed view of the sky in alldirections to ensure the best reception. Avoid mounting theunit where it is blocked by the boat’s superstructure, a radararch, or mast.NOTE: The temperature range for the GPSMAP392/398/492/498 is 5°F to 158°F (-15°C to 70°C). Extendedexposure to temperatures exceeding this range (in storage oroperating conditions) can cause failure of the screen. This typeof failure and related consequences are NOT covered by themanufacturer’s limited warranty.