Operation

1.Turn on the PWR On/Off switch.

 -The detector will start the countdown from 200 to 000 on the display window.

This is a "Warm-up" proces to make the sensor and circuit be ready for testing.

2.When you hear beep sound&green lighting is on READY ,please blow steadily

into the pipe until you would hear the "beep"sound again.Stop blowing.

-In this stage ,if you don't blow within 30 seconds, it automatically shows OFF display

for turn-off.

-In case you drink quite a little (if actual concentration would be below 0.10 mg/ml Promile),it may not be activated.However ,it shows still 0.00 and you're said to be in safe range.

3.Then,after the red and green lights are simultaneously flickering for 4 seconds,

the test result will be displayed by 3 digits for 15 seconds.

-if the data would be over 0.50 mg/ml Promile(default setting)

 respectively.Red WARN lamp will be flickering along with"Alarm" sound.

4.Finally,it shows "OFF" for turn-off.

5.For the successive testing, try again from No.1 to No.3.

6.Space test at least 2 minutes apart.