Henan Hanwei Electronics Co.,Ltd
www.hwsensor.com
1.
Structure and Function Guide
1.1
Structure Guide
picture 1:
1.2.
Function Guide
Digital Indication:
8.8 8
Alcohol content
20s Countdown
Warm-up Countdown
“C” on the LCD
ready for blow
000 flash
working mode conversion
FFF sensor
fault
2.
Operation Instruction
2.1. Slide down the battery compartment on the back side, insert 3pcs AAA 1.5V batteries inside
according to battery polarity indication and close it.
2.2. Press the switch button last for 1S, the tester would be on with a buzzer brief ringing, ‘Wait’
flashes and Warm-up of 20 sec begin, the fig on the LCD Countdown from 20-0, please wait now.
Until “Wait” disappears, tester will send out a ring, meantime “BLOW” and “C” gliding, also the small
car icon twinkles, now the test could begin.
2.3. Have a deep breath before testing, and blow directly to gas entry until a buzzer ringing, “000”
1
Mouthpiece
2
Buzzer hole
3
Switch Button
4
Input for external power
5
LCD Screen
6
Vent hole
6
5
2
4
3
1
Picture 1
Excessive drinking
Low Battery Indication
Excessive drinking
Testing Result
Warm-up
Test Testing
result
Blow
Picture 2
Indication unit
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