46
Functions of the Device
Delete Filter
In this menu item the
fi
lter counter can be reset.
This function should be used at every
fi
lter change
so that always a current value is displayed.
To reset the
fi
lter counter, go to the Patient-Menu
(press the
key for approx. 1 second), then select
Delete Filter
with the keys
and
. Press the
key. The system will now ask you whether you
are sure that you want to perform a reset.
Press the
key to perform the reset. Now the
fi
lter
counter is reset to zero.
If you do not want to reset the
fi
lter counter, leave
the menu by using the keys
and
or wait until
the system leaves the menu item automatically.
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