Hitachi Zaxis 850LC-3 Operator's Manual page 85

NOTE: If inputting an incorrect password after pushing the
determination key, the message "Password is incorrect."
displays.
Push the back key and go back to the previous screen,
Input the password again.
5. The message "Enter password to be registered. " displays.
Then, input a new password with three or four digits and
push the determination key.
6. If inputting the password again, push the delete key.
OPERATOR'S STATION
1-33
A New Password
Determination Key Delete Key
T1V5-05-01-044
Back Key
T1V5-05-01-130
T1V5-05-01-131