DS
®-
25 User Guide © 2018 Lion Laboratories Ltd Page 8
System Start-up
The DS
®
-25
will exit its standby mode and power up automatically once your vehicle's ignition is
switched on or when the vehicle door is opened/the interior light is ON.
A confirmatory beep will sound, followed by a series of screens showing the following messages:
During this time, the red LED will flash slowly. This is intentional and is not an indication of a problem.
It is recommended that you observe the display screen during start-up as it may show information
regarding calibration/maintenance requirements. Meanwhile, the system automatically checks its
operating parameters.
When the handset is ready to take a sample, a further single beep will sound, followed by two alternating
messages:
Breath Test Procedure
Before providing a sample
1. The DS
®
-25
reacts very specifically to the presence of alcohol in the breath. However, it can be
affected by the use of products containing alcohol such as mouthwash or the application of perfume
or aftershave immediately before taking your sample. Vehicle screen wash can also contain high
concentrations of alcohol and washing your windscreen before providing a sample may cause a false
positive result. You should also avoid the presence paints, polish, solvents etc. in the vicinity of the
handset as many of these products contain alcohols.
2. Taking any form of alcohol by mouth within 15 minutes of providing a sample is not recommended
and may cause false positive results to occur. Many foods and drinks contain small but detectable
quantities of alcohol. For this reason we recommend that you take nothing by mouth for 15 minutes
before driving a DS
®
-25
equipped vehicle.
3. If you have recently been drinking, then bringing up wind or vomiting immediately before providing
a sample can also cause false positive results and should be avoided.
4. Elevated results can occur if you have consumed alcohol up to 15 minutes before providing a sample.
This is because your mouth may still contain residual alcohol from the drink.
5. Smoking within two minutes before providing a sample is not recommended.
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