Resetting the sonar (LightHouse 4 / LightHouse 3)

The reset function restores the unit to its factory default settings.
Note

Performing a factory reset will clear speed and temperature calibration settings, as well as the depth offset value.

  1. Using a compatible Raymarine MFD / chartplotter, open the Fishfinder / Sonar app.
  2. Open the Settings page.
  3. Select the Sounder tab.
  4. Select Reset sounder.
  5. Select Yes to confirm.
The unit will now be reset to factory default settings.