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Figure 2 Testing interface
Health status indicator bar
Figure 3 Main parameter interface
3) Main parameter interface: display 8 parameter values and the ratio of each
parameter to its corresponding predicted value. The ratio reflects health status, correct
settings of personal information is the key to obtain accurate ratio. Besides, this
interface also displays power icon, current time, case number and health status
indicator, as shown in Figure 3.
4) Health status indicator bar: indicates the measured state, displays the user health
condition by the ratio of measured value to the predicted value vividly.The
comparison of measured value with the reference value in same situation.It is red
when the value is lower than 50%, which means that the user should pay attention to
and go to hospital in time.It is yellow when the value is in range of 50%~80%, it
means that the user should pay attention.It is green when the value is higher than 80%,
which is normal.
Exhale duration indicator light:when the “Health status indicator bar” showing in the
screen,the corresponding indicator light will on.
5) "Flow rate-volume chart" and "Volume-time chart" shown as Figure 4 will appear
after pressing UP or DOWN key in Main parameter interface.
6) Under Figure 3 or Figure 4 interface,press RETURN key to enter the measurement
interface for next test.Shown as Figure 2.