Panasonic DBS 576 & 576 HD

From any display phone in the system;

  1. Press On/Off
  2. Press "Prog"
  3. Press " * * "
  4. Dial the " Password"
  5. Press "FF8"
  6. Dial 81001
  7. Dial in new time in 24 hr format.
  8. Press Hold and then "On/Off"