Panasonic PV-L452 Service Manual page 24

4.1.8. EEPROM DATA
CAUTION:
Be sure to save the EEPROM data using PC-EVR Adjustment
Program before service and adjustment in order to make sure to
avoid an accidental data loss, etc. as follows. Refer to
PC-EVR ADJUSTMENT PROGRAM" in ELECTRICAL ADJUSTMENT.
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"SET UP OF