lion alcolmeter
®
500 Mk IV User Handbook
18
3.2 The Breath Test Procedure Summarised
STEP ACTION
1 Ask Preliminary Questions
2
Switch On the Instrument
3
Select New Function
4 Attach a New Mouthpiece
5 Instruct the Subject
6 Take Breath Specimen
7 Note Alcohol Reading
8 Discard Mouthpiece
9
Test Next Subject, or Switch Off
3.3 Invalid Breath Samples: Logging a Failure
If the subject does not blow long enough, or sucks back before the
breath specimen is taken into the fuel cell sensor for analysis, then,
no sample is actually taken. The display shows the following:
… then, when the system is again ready for the subject to blow:
Re-instruct the subject to blow into the instrument. There is no need
to change the mouthpiece for this repeat attempt, though you
may of course do so if you wish.
Insufficient
Specimen
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