Device functions 53
OPERATING TIMES
Under this menu item you will fi nd the total operating
time including standby mode of the device, the blower
running time, the operating time of the fi lter and the
therapy time.
Checking the device‘s operating times
1. Select the complete menu (see page 45).
2. Use the selection keys
and to select
Power. The total operating time including
standby is now displayed.
3. Press the enter key . The total running time of
the blower is now displayed.
4. Press the enter key again. The operating time
of the fi lter is now displayed.
5. Press the enter key again. The therapy time
is now displayed.
Q +3!.MMMMMMMMMMMM = @;$
4%/!*1
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