Subject Breath Test Procedure
Step by Step
STEP 1 – Preliminary questions to the subject
As far as possible, ensure the subject has taken nothing by mouth
(alcoholic or otherwise) in the last twenty minutes, and has not smoked in
the last two minutes. If necessary, wait.
STEP 2 – Switch on
Press Action Button (AB) until the operator hears the beep. The
instrument will power up displaying the time, date, and serial number of
the instrument. If enabled, the temperature of the instrument will also be
displayed and it will also display the number of days until the next service
is required.
The instrument will then come ready to take a test.
The display shows the battery status and the type of test that it is ready to
take.
If the instrument is in the required test mode then the operator is ready to
commence the test sequence. If the operator wishes to change the type
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