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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
  • Removing the Top Cover
  • Installing the Terminated Antenna
  • Replacing the Antenna
  • Replacing the Electronics Box and the Magnetron/Circulator Assembly
  • Replacing the LNC
  • Replacing the Motor
  • Replacing the Internal Power Cable
  • Replacing the Internal Network Cable
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Service Procedures
GUID-88552399-6550-4627-8663-5DCEC42854AD v1
November 2025
© 2025 Garmin Ltd.
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