Panasonic TX-29P180B - 3 Self Check

3 SELF CHECK
1. Self-Check is used to automatically check the bus lines and hexadecimal code of the TV set.
2. To get into the Self-Check mode, press the down n [-/
] button on the customer controls at the front of the set, at the same
time pressing the HELP button on the remote control and the screen will show:
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TX-29P180X