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DATOSPIR TOUCH User’s Manual 49
511-B00-MU2 • REV. 1 .09
The data screen shows the observed values in PRE and POST mode
and the method of comparison between them, depending on the
option selected in the
CUSTOMIZATION MENU .
 Weighted % between PRE and POST
 % between REF (Predicted) and POST
 % between PRE and POST
 Difference between PRE and POST
Thus, it may provide a single report of spirometric results before
(PRE) and after (POST) application of a bronchodilator drug.
4.4 SLOW VITAL CAPACITY «VC» TEST
1
Access the test by pressing , from the main screen.
• The axes are always displayed in VOLUME/TIME mode.
• The equipment saves a maximum of 8 maneuvers ordered
according to the VC value, where M1 is the best VC and M8 the
worst.
• The maximum time allowed for the maneuver is 45 seconds.
• To measure the ERV and TV parameters correctly, each
maneuver must have at least four respiratory cycles.