Vitalograph copd-6, Быстрый старт

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= Bad blow
Perform Test
2
Demonstrate to test subject.
v Fully breathe in, hold...
v Insert and lightly bite
the mouthpiece
v Then blow as hard
as possible for 6
seconds
1
Insert disposable SafeTway mouthpiece.
4 Press
E
to show best test.
3
Repeat blow 2 more times.