Device functions 79
BACT.FILTER
As pressure measurement is infl uenced by the connec-
tion of a bacterial fi lter, it must be specifi ed on the device
whether or not a bacterial fi lter has been connected.
Select whether a bacterial fi lter is connected (by
the physician)
1. Select the complete menu (see page 45).
2. Use the selection keys
and to select
Bact.Filter.
3. Press the the enter key and if necessary,
input the PIN code with the selection keys
and . Press the enter key after every digit.
4. Press the enter key and then use the selec-
tion keys and to set Yes or No. Con-
fi rm your setting by pressing the enter key .
Whenever a bacterial fi lter is connected to or
removed from the device, it is necessary to cali-
brate the device (see page 71).
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4%/!*1