1. ON / OFF: Press for 3 seconds.
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4. Press to ex�t ex�st�ng menu.
5. Press to act�ve „boost” funct�on.
2. Press or to sw�tch to screens �n between.
- Press to sw�tch to next screen
- Press to sw�tch to prev�ous screen
3. Press to change any value on screen.
- Press to �ncrease ex�st�ng value +1
- Press to decrease ex�st�ng value -1
6. Ch�ld Lock: To act�vate th�s funct�on, press and for 3 seconds. When ch�ld
proof protect�on �s act�ve, keypad �s locked and buttons do not work. To deact�vate th�s
funct�on press and for 3 seconds.
7. To reset the durat�on of f�lter contam�nat�on depend�ng t�me, press and .
Hold the buttons dur�ng reset t�me that appears on screen. When countdown �s over, press .
8. Press and s�multaneously to adjust screen br�ghtness and contrast.
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