The LCD screen can be locked so that only the designated operator can use it. In order to use the LCD screen, the 4- digit passcode specified by the administrator must be entered.

The LCD screen will be locked in the following situations.

• The lock screen key is touched.
• The LCD screen is touched after the set length of time has passed, causing the screen saver to appear.
• The machine is turned off, then on again.

(1) Lock screen key