Garmin GXM 51 GXM 51 Installation Instructions - Page 5
Step 2: Connect the GXM 51 Antenna to Your NMEA 2000 Network, Step 3: Connect the GXM 51 Audio Cable - manual
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Step 2: Connect the GXM 51 Antenna to Your NMEA 2000 Network The GXM 51 is packaged with a NMEA 2000 T-connector and a NMEA 2000/audio cable. You will use these two components to connect the GXM 51 to your existing NMEA 2000 network. If you do not have an existing NMEA 2000 network, you will need to install a NMEA 2000 network on your boat. For more information on NMEA 2000, visit www.garmin.com. To connect the GXM 51 to your existing NMEA 2000 network: 1. Determine an appropriate location to connect the GXM 51 to your existing NMEA 2000 backbone. GXM 51 antenna 2. Disconnect one side of a NMEA 2000 T-connector from the backbone nearest to the location where you want to connect the GXM 51 antenna. If you need to extend the NMEA 2000 backbone, connect an appropriate NMEA 2000 backbone extension cable (not included) to the side of the T-connector you disconnected. NMEA 2000 device (not included) T-connector (included) NMEA 2000/ audio cable (included) To boat audio NMEA 2000 device (not included) 3. Connect the included T-connector in the NMEA 2000 backbone. 4. Route the NMEA 2000 portion of the NMEA 2000/audio cable from the GXM 51 antenna to the top of the T-connector you added to your NMEA 2000 network. Existing NMEA 2000 network (not included) The 19 ft., 6 in. (6 m) NMEA 2000 portion of the NMEA 2000/audio cable is the maximum length for a drop cable as defined by the NMEA 2000 standards. If more cable is needed, add an extension to your NMEA 2000 backbone, based on the NMEA 2000 guidelines. Step 3: Connect the GXM 51 Audio Cable To hear XM Radio through the stereo on your boat, connect the audio adapter cable to the audio portion of the NMEA 2000/audio cable and to an audio input on the stereo. Refer to the manual provided with your stereo for audio input installation and operation. Step 4: Update Your Chartplotter To ensure compatibility with the GXM 51, upgrade your Garmin chartplotter with the latest software. A GPSMAP 4/5000 series chartplotter must be at software v5.0 or later to use the GXM 51. For more information, visit http://www8.garmin.com/support/download.jsp. GXM 51 Installation Instructions