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System Maintenance
  Chapter 16  System Setup
The [Lock Item Select] button turns red, and a padlock 
icon appears.
This selection is reflected in the lock candidate list in the 
Setup Operation Lock menu.
If there are already one or more locked menus, selection of 
lock candidates is not possible.
In this case, the indication of the [Lock Item Select] button 
changes as follows.
If you want to select lock candidates, first remove the lock 
in the Setup Operation Lock menu.
Locking File Loading Operations
You can inhibit load operations for a specified file 
category.
1
In the Engineering Setup >System >Maintenance 
menu (7317), press [File Load Lock].
The File Load Lock menu (7317.2) appears.
2
Select the category as the candidate for the locking 
operation.
3
Press [Lock].
This makes the selected categories candidates for 
locking. The category name display color changes to 
yellow, and the indication “Lock” is displayed in 
yellow in the Lock box.
To deselect a lock candidate
After selecting a category, press [Clear] to clear the 
indication “Lock” in the Lock box.
4
Repeat steps 2 and 3, to select all of the lock 
candidates.
5
Press [Execute].
6
Enter the password with a maximum of 16 characters 
in the keyboard window, and press [Enter].
If the password is correct, the categories selected in the 
list of candidates are all locked. The category name 
display color and the “Lock” indication color in the 
Lock box both change to white.
Releasing the lock
1
In the File Load Lock menu (7317.2), press [Lock].
2
Enter the password in the keyboard window.
Changing the lock password
1
In the File Load Lock menu (7317.2), press [Change 
Password].
2
Press [Yes].
3
Enter the old password and new password when 
prompted.
Notes
Lock Item Select button
HF buttons
VF buttons
When the displayed menu is 
locked
When a menu other than the 
displayed menu is locked