Restore Default Settings

 dEF stands for restoring the default parameters.

  1.  Press the "-" and "i" buttons for 2 seconds. Press it to switch the normal display interface into the default parameter restoration interface.
  2. Select Y to restore it. Switch to Y by pressing “+” and “-”, and press “i” for 2 seconds to confirm it.
  3. Check if there is a dEF-00 on the display. The code means the setting has already automatically finished.

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