B.A.C. BACtrack Vio Manuel De L'utilisateur page 7

Step 3. When the screen on
your mobile device reads,
"Blow now," take a deep
breath, and blow into your
BACtrack continuously until
all the bars are illuminated.
It should take about five
seconds. The app will tell
you when it has captured an
adequate sample.
EN-10.
For a full explanation of how to use all the BACtrack
App features, please refer to our website at
http://support.bactrack.com.
Step 4. Once your
BACtrack has analyzed the
sample, it will communicate
the reading to your mobile
device and the BAC value
will display.
Step 5. When finished
testing, hold the Power
Button on your BACtrack
for 2 seconds to turn it off.
Follow the instructions in
your BACtrack App to track
and understand your BAC.
Keep your app updated as
we continuously add new
features and options.
EN-11.