Welch Allyn PneumoCheck 61000, Service Manual

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Service Manual 610132 Rev. E Pneumocheck Handle Printer/Charger 33
The following is a tabulation of the various messages
that may be displayed by the spirometer and/or printer
by the printer:
Indicates that this test has a greater FVC+FEV1 than
the one currently in memory. It will replace the stored
test.
Indicates that this test is close to but not better than, the
currently stored best test.
Indicates that this test has a lower FVC or FEV1 by at
least 5%, and will not replace the existing best test. To
correct this, inhale more fully before blowing, and blast
out harder at the start.
The effort was good. (A “good” test is one with no
identifiable faults.)
The patient coughed during the maneuver or flow was
interrupted, or uneven. To correct this, the patient
should refrain from coughing.
5% or 0.1 liters of exhalation occurs before the back
extrapolation point. (ATS specification.) To correct this
the patient should blast out harder at the beginning of
the maneuver.
The flow stopped abruptly. To correct this. The patient
should keep blowing longer.
Low flow effort. To correct this, the patient should blast
out harder.
The maneuver was less the 3 seconds long. To correct
this, the patient should inhale more deeply and blow
out longer. If this message is displayed during an MVV
maneuver, the maneuver was less than 6 seconds long,
and the patient should continue longer.
The effort was good.
3.3 Messages
Quality Messages
NEW BEST
MATCH
NO MATCH
GOOD FVC
COUGH
BAD. START
BAD.STOP
WEAK TRY
TOO.SHORT
GOOD MVV
Section 3 - Theory of Operation