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GMR™ xHD3

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Service Procedures

Service Procedures

Before performing any service procedure, you should update the software (Software Updates).

Child Topics:
  • Restoring the Radar Settings to Factory Defaults
  • Software Updates
  • Installing the Antenna Terminator
  • Opening the Access Panel
  • Opening the Pedestal Housing
  • Replacing the Antenna
  • Replacing the Magnetron and the Electronics Box
  • Replacing the Antenna Position Sensor Board
  • Replacing the LNC
  • Replacing the Motor
  • Replacing the Internal Network or Power Cable
  • Removing the Antenna Rotary Joint
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Service Procedures
GUID-E0CF67E5-B8D5-4CBB-8E06-00CC9CEB7DE9 v1
November 2025
© 2025 Garmin Ltd.
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