Mitsubishi Electric CITY MULTI PAR-40MAAU Instruction Book page 46

Function settings
46
will appear on the Main display in the Full mode
when the operation lock function setting is enabled.
Operation guide that corresponds to the locked
function will be suppressed.
To display the main menu while the menu setting is
being locked, press and hold the
or more seconds. Enter the administrator's password
on the password input screen.
Menu button for ten