2.Operation Instruction
2.1. Slide down the battery cover on the back side, insert 2 pcs
AAA 1.5V batteries (not included) according to battery polarity
indication and close it. Or use DC plug to directly connect with
vehicle to use.
2.2. Press the start button last fort sec, the tester would be on
with a buzzer brief ringing, Warm-up of 20 sec begin, the fig on
the screen count down from 20-0, please wait now. After the
countdown, tester will send out a ring, and the ready light will be
on. Now the test could begin.
2.3. Have a deep breath before testing, and blow directly to gas
entry until a buzzer ringing, "99" twinkles for 4 seconds on the
screen.
2.4. Tester will send out a ring after testing process finished, the
LED screen would give the readout of temporal alcohol
concentration (If the testing result is lower than preset level, the
warning light will be off; If the testing result is higher than preset
level, the buzzer ringing continuously, at the same time the
warning light will be red), this result would be keep on the
screen for 10 sec, then cut off the power supply automatically
with two buzzer ringing.
2.5. If a new testing needed, press the Start button again and
repeat the above step 2.2 – 2.4.
2.6. Press the model button to choose the unit of the result you
want.
3.Notification
3.1. Avoid any fall or strong shock.
3.2. If foreign gas of high concentration existed, may the
tester won't work normally.
