Panasonic TC-P50S1

Reset Procedure
Reset forces the TV to factory shipment setting.
To reset the TV:
Press and hold the “VOLUME ( - )”button on the TV and press the “MENU”
button on the remote control for more than 3 seconds.
Note: All customer programmed parameters will be erased.
To Exit:
Disconnect the AC cord from wall outlet.
https://www.werbemousepads.de/pdf/