Panasonic TH-42PX600U - Memory Edit Mode Operations; Accessing Memory Edit Mode; Exiting Memory Edit Mode

10.3. Memory edit mode
10.3.1. How to access
1. Select “OPTION” in Service man Mode.
2. Press [MUTE] button on the remote control for more than 3 seconds.
10.3.2. Exit
1. Press [1] button on the remote control.
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TH-42PX600U