23
EN
Key lock
• To activate the key lock, press and hold the key
until the lock symbo
appears
on the screen. The control panel is now locked.
• To deactivate the key lock, hold down the key
The lock symbol is now no longer
displayed on the screen and all keys on the control panel can be used again.
Backlight
Press the button
. once to activate the backlight. The backlight is now half the
brightness. If you press the key again, the backlight goes out. If you press the key a third
time, the screen lights up with full brightness.
