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Hold Instructions
3
4
6
Exhale Instructions
5
3. As prompted onscreen, hold your
breath until the countdown timer
has finished.
4. If the 15 second inhalation
countdown is unattainable, begin
exhaling when ready and the device
will begin measuring breath
sample.
5. Do not cover vent hole of device
when performing a breath test.
6. As prompted on screen, exhale.
16
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