User manual

Menu Operation
93
Key Lock
Press UTILITY → System Setup → Key Lock to lock the
front panel operation, all the keys and controls. When key
lock is on, all keys are disabled except MENU ON/OFF key
and the five softkeys. When front panel is locked a red lock
icon is displayed at the top-left corner of the screen. Correct
password is required to unlock the front panel operation when
Password is ON as shown below. The default password is
“111111”.