2
Press
B
to
show FEV₆,
FEV₁/FEV₆ ratio,
% of predicted
and estimated
lung age.
1
Display shows
FEV₁ and % of
predicted.
Displays numbers
for each blow until
E
pressed...
3
D
for 3 seconds to switch off.
Cleaning and disinfecting
The outer surfaces should be cleaned
every week, more often if necessary. The
use of a disposable disinfecting wipe is
recommended, with special attention to
the mouthpiece area.
H
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View Parameters