GXM 51 Installation InstructionsStep 5: Activate Your XM Subscription1. Ensure that your XM Weather ID and your XM Radio ID are readily available. Write them onthe front page of these instructions for convenience. Contact XM Satellite Radio by phoneat (800) 985-9200. After receiving the required information from you, the XM representativeactivates the account and sends out an XM signal to activate the GXM 51.To answer other XM questions, call the above number or visit www.xmwxweather.com.2. Confirm all components of your service package:XM WX Weather: Ensure that the chartplotter and the NMEA 2000 network are poweredon so that you receive the XM signal. When the components of the selected servicepackage appear in the Weather Products list, the XM signal is working correctly. To seethe Weather Products list, from the Home screen, select Configure > System > SystemInformation > Weather Subscription.XM Radio: From the home screen, select Configure > XM Audio, and verify thatchannels 7, 9, 47, and 122 appear. This indicates that all channels on the XM basic radioservice are working correctly.If the XM WX Weather and the XM Radio service have not activated within an hour, call XMcustomer care at (800) 985-9200 and ask an XM representative to refresh the signal.Using the GXM 51Instructions for using the XM WX Weather and the XM Radio service on your chartplotterare contained in the Owner’s Manual provided with your Garmin NMEA 2000-compatiblechartplotter.SpecificationsPhysicalDimensions: 3 19/32 in. (91.6 mm)Diameter × 1 15/16 in.(49.5 mm) HighWeight: 7.1 oz. (201 g)NMEA 2000/audio cable: 19 ft., 8 in. (6 m)Temperature range: From -22°F (-30°C) to176°F (80°C)Case Material: Fully gasketed, high-impact plastic alloy, waterproof to IEC529 IPX7 standardsPowerPower input source: 9–16 VdcunregulatedInput current: 137 mA at12 VdcNMEA 2000 Load EquivalencyNumber (LEN): 5 (250 mA)The GXM 51 is NMEA 2000certifiedNMEA 2000 PGN InformationTransmit Receive059392 ISO Acknowledgment 059392 ISO Acknowledgment060928 ISO Address Claim 059904 ISO Request126208 NMEA - Command/Request/Acknowledge Group Function060928 ISO Address Claim126464 Transmit/Receive PGN List GroupFunction126208 NMEA - Command/Request/Acknowledge Group Function126996 Product Information••