Mitsubishi Electric AE-200A Instruction Book page 68

5-2-2. Locking the screen
Locking the screen prevents unauthorized users from accessing.
(1) To activate the screen lock function, set the [Screen
lock] setting to [Use] on the [Unit Info.] screen under the
[Initial Settings] menu.
If the screen lock function is activated, the screen locks
when the backlight turns off (after three minutes of not
touching the screen).
Note: The default setting is [Do not use].
Note: The screen lock function will not be activated when any
screen under the [Initial Settings] menu is open.
(2) Touch [
] on the login screen to lock the screen
immediately.
To unlock the screen, enter the same user name and
password used to log in.
WT07190X01
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