How do I perform a master reset on my dezl series device?

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To perform a master reset on your dezl series:

Note: A master reset will erase all favorites1 and will restore your device to the default factory settings. If you would like to back up your favorites to your computer, you can find instructions to do so here. Please note that a master reset will also delete vehicle profiles and IFTA logging data. (Although the driver profiles for Hours of Service should remain intact with all HOS data, it is recommended to backup the data before a master reset. To open the HOS log on the computer in order to backup the data, click here.)

  1. Start with the device off and unplugged from power
    • On the dezl 570, 760, and 770: to verify the device is powered off and not in standby mode, touch and hold down the power button until prompted to turn off the device
  2. Power on the device
  3. When the first copyright screen appears touch and hold the lower right hand corner of the display portion of the touchscreen.
  4. Remove your finger from the touchscreen when "Erase all user data?" appears
  5. Touch Yes
    • If the text language is not in English, this is the button on the right

The device will automatically reset. Follow the on screen prompts and then place your device in an area with a clear view of the sky until it acquires satellites.

1Although the master reset will erase all saved favorites, any loaded custom points of interest will remain intact on the device.

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