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1. Turning power on the AL2500 Breathalyzer
To turn the unit on, press the power button. The unit will begin a start
up process and automatically re-stabilize the alcohol sensor. The
breathalyzer LCD
display will undergo a countdown sequence, indicating that purge cycles
and circuit tests are taking place. This process generally take 30
seconds but can last 2 minutes. The warm up process is complete once two
beeps sound, the WAIT sign turns off, and 0.00 is displayed on LCD
screen.
2. Blow in the unit
Making sure your mouth is close to the sensor, blow a deep breath for at
least 2 seconds.
3. Display
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Range
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Audio Function
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0.00% - 0.01%
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1 beep sound
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0.02% - 0.04%
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2 beep sound
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| 0.05% - |
Beep
sound for 5 sec. |
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Note: The LCD screen will
display the exact BAC value, not just a range.
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4. Retesting
When "WAIT" sign on the LCD is no longer illuminated and
display 0.00 on LCD , the unit is reset and ready for retesting.
5. Low battery indicator
The AL 2500 lets you know when the battery is low. 
sign lights at the low battery and indicates fresh batteries should be
installed before retesting.
Cautions( ALKALINE BATTERY ONLY.)
1. Allow at least 15 minutes after consuming alcohol before testing.
2. Enclosed rooms with low ventilation or air conditioning may increase
wait time necessary between tests.
3. Spittle or alcohol contamination of the alcohol sensor will delay
reset time between tests. In the event of spittle or alcohol
contamination, the unit can be shaken to ensure a quick recovery of the
sensor.
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