Use Instruction

9
Prompt:
1. After the setting of basic information is completed, the device will
calculate an estimated value based on your input parameters, which is used
to calculate PEF%.
2. The predicted value is not displayed, but PEF% will be displayed after
each measurement is completed.
3.3. Testing
 Deeply inhale and use your lips to wrap the mouthpiece firmly, and make
sure that there is no air leakage between the mouth and the mouthpiece. At
the same time, you exhale the gas forcefully in the shortest time (one
second or more).
 When you hear the "DI" sound, it indicates that the test has been completed.
The screen interface displays the PEF test value and its percentage of the
predicted value. The icon “ ” displayed on the right can indicate the area
(green, yellow or red) that represents the test result.
NOTICE:
 Green area: indicates that your PEF is above 80% of the predicted value
and is within the normal range, which means that your condition is under
control. Please follow the doctor's recommendation to decide whether you
require the medication or do not require a higher dose of medication.
 Yellow area: indicates that your PEF is in the range of 60-80% of the
predicted value, which means that you must pay attention to it. Please
follow the doctor’s recommendation to take appropriate treatment measures,
such as increasing the dose of medication.
 Red area: indicates that your PEF is below 60% of the predicted value,
which means that your situation is dangerous. Please follow the doctor’s