8
8-177
Default Setting (System Menu) 
6
Press the 
OK
 key. Option I/F appears.
7
Press the 
 or 
 key to select [Unblock] or [Block].
8
Press the 
OK
 key. 
Completed.
 is displayed and the 
screen returns to the System menu.
Security Level (Security Level setting)
The Security Level setting is primarily a menu option used by service personnel for maintenance work. There is no 
need for customers to use this menu.
Optional Functions
You can use the optional applications installed on this machine.
Opt. Functions
Although nothing is currently displayed, when the optional functions that will be released in the future is installed, the 
licenses can be set using this menu.