BACtrack S75 PRO - Preparation and Operation; Installing the Battery; Pre-Test Preparation and Start

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Installing the Battery
Install two AA batteries in the battery compartment.
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IMPORTA NT !
Test subjects should wait 20 minutes after eating,
drinking, or smoking before blowing into the BACTRACK
Breathalyzer. Failure to wait 20 minutes can provide
inaccurate test results and damage the sensor.
STEP 1: Insert a mouthpiece into the
Mouthpiece In slot.
STEP 2: Press the start button.
The BACTRACK will quickly display the
total number of tests performed, and
then begin a countdown.
STEP 3: When the countdown approaches
2, begin to inhale a deep breath.
FRONT VIEW
Start Button
Mouthpiece
Display
Mode Button
Battery Cover
(back)
Mouthpiece In
BAC
WAIT
BAC