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GXM 51 Installation Instructions
Step 5: Activate Your XM Subscription
1. Ensure that your XM Weather ID and your XM Radio ID are readily available. Write them on
the front page of these instructions for convenience. Contact XM Satellite Radio by phone
at (800) 985-9200. After receiving the required information from you, the XM representative
activates 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. Conrm all components of your service package:
XM WX Weather: Ensure that the chartplotter and the NMEA 2000 network are powered
on so that you receive the XM signal. When the components of the selected service
package appear in the Weather Products list, the XM signal is working correctly. To see
the Weather Products list, from the Home screen, select Congure > System > System
Information > Weather Subscription.
XM Radio: From the home screen, select Congure > XM Audio, and verify that
channels 7, 9, 47, and 122 appear. This indicates that all channels on the XM basic radio
service are working correctly.
If the XM WX Weather and the XM Radio service have not activated within an hour, call XM
customer care at (800) 985-9200 and ask an XM representative to refresh the signal.
Using the GXM 51
Instructions for using the XM WX Weather and the XM Radio service on your chartplotter
are contained in the Owner’s Manual provided with your Garmin NMEA 2000-compatible
chartplotter.
Specications
Physical
Dimensions: 3
19
/
32
in. (91.6 mm)
Diameter × 1
15
/
16
in.
(49.5 mm) High
Weight: 7.1 oz. (201 g)
NMEA 2000/audio cable: 19 ft., 8 in. (6 m)
Temperature range: From -22°F (-30°C) to
176°F (80°C)
Case Material: Fully gasketed, high-
impact plastic alloy, waterproof to IEC
529 IPX7 standards
Power
Power input source: 9–16 Vdc
unregulated
Input current: 137 mA at
12 Vdc
NMEA 2000 Load Equivalency
Number (LEN): 5 (250 mA)
The GXM 51 is NMEA 2000
certied
NMEA 2000 PGN Information
Transmit Receive
059392 ISO Acknowledgment 059392 ISO Acknowledgment
060928 ISO Address Claim 059904 ISO Request
126208 NMEA - Command/Request/
Acknowledge Group Function
060928 ISO Address Claim
126464 Transmit/Receive PGN List Group
Function
126208 NMEA - Command/Request/
Acknowledge Group Function
126996 Product Information
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