Panasonic

reset(format) **7370# tryed and tested on my x700
*01763*737381# - master reset (user data, user code) A100, A101, A102,G50, G51, G70, GD55..
*369#(*) - MENU

7, 4, 6, menu, menu - lock menu
*#9999# - 5 sec after power on - SW version (GD75, GD67, GD87..)

**7370#
**00012*00000000#
**00032*00000000#