3 Operation
│
19
Note:
If the message
Start sensors …
appears, it means the sensors
are still warming up. During this warm-up time, no operating sig-
nal is emitted and no actions can be performed.
1. Make sure the ambient air is clean.
2. Hold down the ON/OFF key until the device reports with a
visual and audible signal. The device function self-test has
started.
The following routine runs automatically:
−
A sequence of start images appears (Fig. 9).
−
If device inspections and checks are due, this will be dis-
played
2
(Fig. 10).
−
For the preset application, the gas types including their
measuring ranges and the alarm thresholds are displayed
(Fig. 11). The information is generally spread over several
display views.
−
The device switches to measuring mode. The sensors are
warmed up.
During the warm-up, animated squares are shown instead
of the measurement values. The
Start sensors …
mes-
sage may also appear depending on the situation.
3. Wait until all measurement values are displayed.
4. Perform all device inspections that are due.
The device is now ready for use. The displayed measurement
values correspond to the zero point when the device has been
switched on in clean air and is not de-adjusted.
2
The device inspections that are due will be displayed only if the guided
device inspection has been activated using the
GasCom
software.
