CareFusion MicroDL, Operating Manual

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After completing a spirometry manoeuvre the user may press ‘enter’
to repeat or off to finish testing. After completing a sequence of
tests, the best result will be stored. The definition of best is
selected using SPCS and may be best FEV1, best FVC, best PEF, or
best FEV1 +FVC. If the unit is turned off after performing a
manoeuvre, and then used again within five minutes, then only the
best result within the period will be saved.
Spirometry Operation (Multiple patient use)
When performing a spirometry test the user should be instructed to
insert a disposable or clean reusable, mouthpiece into the
mouthpiece holder of the spirometer.
The unit is then turned on, the current time will be displayed briefly,
and the three lights will be illuminated before the display changes
to:
Use the up and down keys to select a patient number. This number
can be set, using the up and down keys, anywhere in the range 1 to
1999 and will be used to identify data when printing or uploading
results.
When the required number is displayed press ‘enter’ and the display
will change to: