8
INTOXILYZER
®
S-D2 Operator’s Manual
1) READY CHECK
The instrument should first be checked to insure it is
ready to receive a sample. This is accomplished by
breath and permits both accurate and rapid breath alcohol
measurements.
It is recommended that in very cold weather the
instrument is stored in a pocket (preferably inside a coat)
and returned there after use.
PRELIMINARY
Ask the subject when he/she last took anything by mouth.
Some foods and even “non-alcoholic” drinks may contain
traces of alcohol, which the subject may later claim
affected the result of the test through a “mouth alcohol”
effect. To prevent this, wherever possible, insure that a
delay of about 20 minutes has elapsed since the subject
took anything by mouth—even medicines which may
contain alcohol.
Do not even allow the subject a glass of water prior to the
test since this will cool the mouth and dilute the saliva,
temporarily reducing the amount of alcohol in the breath,
and, consequently, the instrument reading.
Insure that no radio transmitter is currently being used in
the immediate vicinity of the test.
DETAILED PROCEDURE
This section describes in detail how the Intoxilyzer
®
S-D2 is used in a breath test and examines what is
actually happening at each stage of the operation. These
instructions are also given in the form of a checklist on the
card which accompanies the instrument as well as in the
“Introduction” section of this operator’s manual.
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