BACtrack S50 - Manual (Page 10)

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STEP 3: when the countdown approaches
10, begin to inhale a deep breath.
STEP 4: when the countdown reaches zero,
the reaDY light will flash and two beeps
will sound. Blow hard, continuously, for five
full seconds. while a user is blowing, the
BaCTraCK will sound a continuous tone.
Keep blowing until two beeps are heard.
STEP 5: when finished taking a breath
sample, the BaCTraCK will circle the outer
leD fields for three seconds while analyzing
the breath sample.
STEP 6: Once the sensor technology has
analyzed the breath sample, the estimated
BaC (Blood alcohol Content) value is
flashed on the screen.
The test result will be displayed for 10 seconds. Then the
BaCTraCK will beep five times before powering off.
If the BaC reading is over 0.05%, the red warn lamp
will illuminate and a rapid beep alarm will sound.
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