Panasonic NV-GS320EG Service Manual page 15

Display contents (self diagnosis cord contents)
Turn off the power supply after confirmation.
Please do the error cord backup record the clear after repair completion.
CLEAR METHOD
If the Card and Tape inserted, take out it before Service Mode operation.
Making the mode dial of This Machine a tape recording mode, push [JOYSTICK LEFT
switch to FOCUS] button and [RECORDING START/STOP] button simultaneously for 3 seconds.
15
] button and [AUTO/MANUAL/FOCUS