en
Use
An optional self-test is carried out. Approx. 4 seconds later, the display
shows:
READY
The instrument is ready to perform a measurement.
5.
Blow evenly and without interruption into the mouthpiece. A progress bar is
displayed. An adequate breath flow is signalled by a continuous tone
sounding.
If the breath sample is sufficient, then the continuous tone goes off with an
audible click.
After a few seconds (depending on the instrument temperature and on the
concentration measured), the measurement result is displayed with date
and time.
Performing another measurement:
To prepare for a new measurement, press the
After the recovery time of the sensor (see "Technical Data" on Page 28)
READY will be displayed.
4.4
Carrying out manual breath sampling (optional)
If the test person cannot produce the necessary minimum volume, then sampling
can be triggered manually.
Carrying out manual breath sampling:
1.
Follow steps 1 to 5 of the automatic breath sampling.
2.
If the progress bar is displayed after starting the breath sample, briefly press
the
button.
When the results are displayed, they also show MANUAL.
4.5
Carrying out passive breath sampling (optional)
With passive sample collection, sampling is triggered manually by the user of the
instrument. Possible applications are checking the ambient air or the end-
expiratory breath of persons to check for the presence of alcohol.
Carrying out passive sampling:
1.
Press and hold the
appears.
2.
Hold the prepared instrument without mouthpiece in the air to be analysed.
3.
Briefly press the
When the results are displayed, they also show PASSIVE.
22
button for approx. 1 second until the startup screen
button to trigger the measurement.
button.