Resetting factory settings

Perform this procedure if the display is abnormal or if operations cannot be performed.

Various settings are reset to the factory default values. Make settings again.

Ope Resetting X520E2
Turn off the power using Power Button .
Press Power Button while simultaneously pressing TUNER PRESET CH + and TUNE +.
Release the two buttons when the display starts flashing at intervals of about 1 second.

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