If the tablet is not working as expected, try these techniques in order:
If the picture of the spirometer on the tablet does not turn orange as expected, pairing with the tablet is not working. Change the spirometer’s batteries.
When trying to take a reading, the patient may get an error message on the tablet: “Try again – Blow Out Longer.” The test requires blowing very hard for as long possible, emptying the lungs. Tap Retry and try again.