34
Water hardness is speci
fi
ed using the following scales: The German water hardness scale (°dH) and the
French water hardness scale (°fH). A water supply with a water hardness in excess of 6°dH (9°fH) must be
softened. This is done automatically with the aid of the built-in water softener. In order for the softener to
function optimally, it must be adjusted to the hardness of the water supply.
Contact the local waterworks, or measure the water hardness using the supplied test strip, to check the water
hardness in your area.
How to use the test strip:
1. Turn on the water tap and let the water run for a minute or so.
2. Fill a glass with cold water.
3. Remove the test strip from its packaging.
4. Dip the test strip in the water for about one second.
5. Wait one minute. Now compare the colours of the squares with the water hardness table.
Test strip
°dH
°fH
4 green
< 3
< 5
1 red
> 4
> 7
2 red
> 7
> 12
3 red
> 14
> 25
4 red
> 21
> 37
SOUNDS
Sound volume
You may choose the sound volume.
Use the program selector knob or
buttons to choose the sound volume.
During selection, the acoustic signal will
be played with the currently highlighted
volume.
Use the
button to return to Settings.
DRUM ILLUMINATION
Off
On
Drum illumination
Con
fi
rm your selection with the button
under the drum illumination on/o
ff
option.
ON = drum illumination light when the
door is open and washing machine is
turned on
OFF = drum illumination does not light
when the door is open
Use the
button to return to Settings.
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