5
The ‘READ’ button is spring loaded.
Momentary depression will take the breath
sample. Constant pressure is required to
switch on the amplifier and display systems.
5) Alcohol Level Display
This three digit, liquid crystal display shows
the breath alcohol concentration of the subject.
The display has built-in illumination and is
activated by depressing the ‘READ’ button.
If the figure on the left shows ‘L’ when the
‘READ’ button is depressed, the battery needs
to be replaced.
6) Calibration Control
This screw control, located on the right side of the
case, is used for periodic calibration adjustments
with either a dry gas standard or wet bath
simulator.
7) Breath Sampling Lights
Light ‘A’ illuminates to indicate that the subject
is blowing hard enough to obtain a proper breath
sample. Light ‘B’ illuminates when the subject
has blown long enough and indicates when the
‘READ’ button should be pressed. In other
words, light ‘B’ illuminates when the subject has
provided a suitable sample for breath analysis.
8) Battery
The battery is located directly behind the sliding
base on the bottom of the S-D2. It powers the
amplifier, digital display and sampling lights and
INTOXILYZER
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S-D2 Operator’s Manual
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