Power ON/OFF
Press the
Key once to turn on the device.·When LCD
show “ALCO”, hold the Key for about 2 seconds to
power off the device.
·When the machine is powered on, “ALCO” will be shown
on the display. Press OK key and sensor pre-heating will be
activated. “PH” flashes for 3 times and start to count down
(“PH99” counts down “PH90-00”). “READY” & “BLOW”
flashes alternately together with beep tones when the
machine is ready to take sample, meanwhile, the device will
allow user to blow into the device within 30
seconds
，
please take a test within this time.
When ready to blow, user should blow continuously through
the mouth piece for about 5~7 seconds. Auto detect your
Operation