If the passcode will not be changed, continue with step 8. (The initial passcode is 9999.)
Touch beside [Operator Lock].
Type in the new passcode (4 digits).
Type it in again for confirmation.
If a mistake was made while typing, start over with the first digit.
Touch .
Touch .
Afterwards, each time the LCD screen is locked, the 4-digit passcode must be entered to continue operation.
As shown below, (Lock screen key) is displayed.
, then 
.
beside [Operator Lock].
.
.
(Lock screen key) is displayed.
