Resetting factory settings
If the indicators are incorrect or the unit cannot be operated, restarting the unit may improve the problem. We recommend restarting the unit before returning the settings to the default settings.link
If the operations are not improved by restarting the unit, follow the steps below.
Various settings are reset to the factory default values. Make settings again.
Ope Reset1 X24
Turn off the power using Power Button .
Press Power Button while simultaneously pressing TUNER PRESET CH + and TUNER PRESET CH -.
Remove your fingers from the two buttons when “Initialized” appears on the display.