Setting Personal Best (Reference) Values; Setting Management Zones; Zones - Micro Direct Spiro Operating Manual

Setting Personal Best (Reference) Values

Personal Best (reference) values can be set for forced expiratory
volume after 1 second (FEV1). To set the Personal Best
(reference) FEV1, follow these steps:
1. Turn the device on.
 
2. When the device is ready for a test, press the and
buttons together for 3 seconds.

3. The reference FEV1 value is set by pressing the button and

releasing when the value is reached. Press the to roll back.
The values will increase/decrease in values of 0.10. If the button is
kept depressed, the values will scroll faster.
4. Press ENTER to keep this reference FEV1 value. The device
will return to the test screen.
Note: to de-activate zones, set the FEV1 reference value to 0.00.

Setting Management Zones

The Spiro lung monitor can be set for use with 3 or 4 zone
management plans. The zone percentages are factory set to 2
boundaries, 95% & 90%, i.e. 3 Zones (95-100%, 90-95%, 0-90%).
For 4 zones the middle boundary is set last. The color systems for
each zone type are as follows:
Setting Management Zones (3 Zones)
3