DNN990HD/DNN770HD>20. Troubleshooting>20.3 Resetting the Navigation System

20.3 Resetting the Navigation System

If the navigation system or the connected device fails to operate properly, reset the navigation system.

  1. Press the <Reset> button.

    2. The unit returns to factory settings.

    DNN990HD

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    DNN770HD

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NOTE

  • Disconnect the USB device before pressing the <Reset> button. Pressing the <Reset> button with the USB device connected can damage the data stored in the USB device. For how to disconnect the USB device, see How to Play Media.
  • When the navigation system is turned on after resetting, the Initial SETUP screen appears. See Initial setup.

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