Switching Off The Instrument - Dräger Alcotest 3820 Notice D'utilisation

en
Use
3. If the device is switched off, keep the button pressed for approx.1
second until the startup screen is displayed.
4. After approx. 4 seconds, a READY screen is displayed. The
instrument is ready to use.
5. Take a deep breath and blow evenly and without interruption into
the mouthpiece.
Do not block the outlet of the mouthpiece.
You have to blow a volume of 1.3 liter and at least 1.6 seconds for
a valid test. If blowing normally, this will take 2-3 seconds A
continuous tone sounds simultaneously and stops, when the test
parameters are fulfilled and the device has taken the sample.
The test result is displayed after 3 to 60 seconds (depending on the
instrument's temperature and the measured concentration).
In case of a negative alcohol test, 0,00 will be displayed. In case of a
positive alcohol test, the measured alcohol level will be displayed.
To prepare a new measurement, press the button briefly. After a short
recovery time, (see section 8 on page 16) READY will be displayed
and the device is ready to use again.
4.4

Switching off the Instrument

The instrument will switch off after pressing the button for approx.

3 seconds. A switch off count down will be shown as well. If the
display is off, stop pressing the button. Otherwise the device will
be switched on again.
The instrument automatically switches off after 120 seconds
without any activity.
Switching off the instrument does not reduce the waiting period
until it is ready to take a measurement!
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