DigiTech QM-7300 User Manual

User Manual for QM-7300 Fuel Cell Digital Alcohol Analyzer
Thanks for purchasing our QM-7300 Breath Analyzer, a hand held High precision Fuel Cell Digital Alcohol Computer.
QM-7300 gives you a digital indication of your breath alcohol content and thus your possible concentration of intoxication.
1) I nstall the battery into the battery compartment. All segments turn on and then go to Alcohol mode (DAC).
2 ) To begin, wash your mouth with water before using the unit. Abstain from smoking or drinking for at least 20 minutes.
▶
3) P ress key once to change the unit of the alcohol concentration in Memory mode or REVIEW mode.
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4 ) Press key for one second can turn on analyzer and press
▲ ▲
5) Press to activate REVIEW mode to browse the last
6 ) Insert the provided blowing tube into the gas inlet.
7) Press the OK Key for approximately 2 seconds to activate sensor-warm-up process. "PH" flashes for few seconds and
then "READY" & "BLOW" flash alternatively for about 60 seconds. User is required to perform the alcohol test within this
p eriod.
8) Blow continuously through the blow tube for approximately 5 seconds. Auto detect your breath sample (or press OK key
once) and stop blowing after you hear a 'beep' tone. "DAC" flashes when analyzing the breath sample. Then an
increasing reading shows on the display. The final result will be shown together with three blinking "DAC".
i. A measurement of less than 0.005
ii. A measurement between 0.005%& 0.4%BAC will show its digital reading.
iii. A measurement above 0.4%BAC, "HI" will show on the display.
▼ key and OK key while install the battery into the battery compartment to change alcohol unit (‰ BAC, ▼
Hold
mg/L, % BAC. Press
9) Memory readings: press
key for 1 sec and clear all memories. The "MEMORY" and "Clr" will flash. "----"shown on display means all memories are
being erased.
Enhanced feature instructions
10) In DAC mode, press
▲ key for 1 sec to clear the memory readings in DAC mode. ▲
Hold
11) The analyzer will turn off automatically after 2 minutes.
Operation instructions
%
BAC will show "LO"
▲
▲
t o a c t i v a t e m e m
t o a c t i v a t e m e m
▲
▲
key to recall the last
▲ ▲ ▼ key to scroll forward or backward the ▼
o r
o r
◀
key for two seconds will turn off analyzer.
25 memories of alcohol result.
o r y R E V I E W m o d e .
o r y R E V I E W m o d e .
25 memories. If memories full, "MEMORY" flashes. Press and hold
25
Page 1
memory readings
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FiT239-LC-09Y03555 (2009-08-03)