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If you do not have an existing NMEA 2000 network on your boat, you will need to install one. For more information about NMEA 2000, visit The GXM 51 antenna must be properly installed according to the following instructions. You need the appropriate fasteners, tools, and mounts listed in each section. These items are available at most marine dealers. Always wear safety goggles, ear protection, and a dust mask when drilling, cutting, or sanding. When drilling or cutting, always check what is on the opposite side of the surface. Contact Garmin Product Support if you have any questions while installing or using your GXM 51. In the USA, go to or contact Garmin USA by phone at (913) 397-8200 or (800) 800-1020. See the Important Safety and Product Information guide in the product box for product warnings and other important information. Product Registration Help us better support you by completing our online registration at /registration/. For future reference, write the serial number assigned to your GXM 51 in the space provided. It is located on a sticker on the back of the device. Serial number In addition to the device serial number, unique ID numbers are associated with your GXM 51. XM Satellite Radio uses these ID numbers to activate and deactivate your XM weather and XM audio. To locate the ID numbers on a Garmin NMEA 2000-compliant chartplotter, select Configure > System > System Information. For future reference, write the XM WX Weather ID and XM Radio ID assigned to your GXM 51 in the spaces provided. XM WX Weather ID XM Radio ID November 2009 190-01030-02 Rev. D Printed in Taiwan Packing List, Accessories, and Tools Needed Before installing your unit, confirm that your package includes the following items. If any parts are missing, contact your Garmin dealer immediately. Standard Package • GXM 51 Antenna • Surface-mount bracket • Pole-mount bracket • Under-deck mount bracket • Mounting hardware (screws and adhesive pads) • NMEA 2000 T-connector • NMEA 2000/audio cable 19 ft., 8 in. (6 m) • Audio adapter cable 1 ft. (30.5 cm) • Installation instructions Optional Accessories • Additional NMEA 2000 network components • Audio adapter cable extensions Tools Needed • Drill • Drill bits—1/8 in. (3 mm) and 3/4 in. (19 mm) • Hole saw, 1 in. (25 mm)—surface-mount cable hole • Screwdriver—surface-mount screws • Pencil (to mark surface-mount pilot holes) • Countersink bit (when mounting on fiberglass) • Marine sealant (for some mounting options) Step 1: Mount the GXM 51 Antenna You can surface mount the GXM 51 antenna, attach it to a standard 1 in. OD pipe-threaded-pole marine mount (14 threads-per-inch—not included), or even install the antenna under fiberglass. Select a suitable location for the GXM 51 antenna on your boat. To ensure the best reception, mount the GXM 51 antenna in a location that has a clear, unobstructed view of the sky in all directions. • Avoid mounting the GXM 51 antenna where it is shaded by the superstructure of the boat, a radome antenna, or a mast. • On a sailboat, avoid mounting the GXM 51 antenna high on the mast. • The GXM 51 antenna provides more-stable reception when located nearer to water GXM 51 Placement Considerations GXM 51 Placement ConsiderationsGXM 51 Placement Considerations level. • Mount the GXM 51 antenna at least 3.3 ft. (1 m) away from (preferably above) the path of any radar beam or a VHF radio antenna. Temporarily secure the antenna in the preferred mounting location and test it for correct operation. If you experience interference with other electronics, try a different location. After verifying correct operation, permanently mount the antenna. SS BARNETTRadarVHF Radio Antenna3 ft. (1 m) Above - bestBelow - OKEMI (Electromagnetic Interference) from engine componentsBestBetterGoodEMISS BARNETT Radar VHF Radio Antenna 3 ft. (1 m) Above - best Below - OK EMI (Electromagnetic Interference) from engine components BestBetter Good EMI GXM 51 Installation Instructions GXM 51 Installation Instructions Surface-mounting the GXM 51 Antenna 1. Use the surface-mount bracket as your mounting template. Use a pencil to mark the three screw locations on the surface and to trace the cable hole in the center of the bracket. Set the surface-mount bracket aside. Do not drill through the surface-mount bracket. 2. Drill three 1/8 in. (3 mm) pilot holes. Note: If you are mounting the GXM 51 on fiberglass, it is recommended to use a countersink bit to drill a clearance counterbore through the top gelcoat layer (but no deeper). This will help to avoid cracking in the gelcoat layer when the screws are tightened. 3. Use a 1 in. (25 mm) hole saw to cut the cable hole in the center. 4. Use the included M4 screws to attach the surface-mount bracket to the mounting surface. 5. Route the NMEA 2000/audio cable through the 1 in. (25 mm) cable hole and connect it to the GXM 51. 6. Make sure the large gasket is in place on the bottom of the GXM 51 an...
Ce manuel est également adapté pour les modèles :Sounders - Gxm 51 (1.19 mb)