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Calibrating a Water Speed Device

If you have a speed-sensing transducer connected to the chartplotter, you can calibrate that speed-sensing device to improve the accuracy of water-speed data displayed by the chartplotter.

  1. Select Settings > My Vessel > Calibrate Water Speed.
  2. Follow the on-screen instructions.

    If the boat is not moving fast enough or the speed sensor is not registering a speed, a message appears.

  3. Select OK, and safely increase the boat speed.
  4. If the message appears again, stop the boat, and ensure the speed-sensor wheel is not stuck.
  5. If the wheel turns freely, check the cable connections.
  6. If you continue to get the message, contact Garmin® product support.
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