3 Operation
│
35
If the zero point cannot be set successfully, you will find informa
-
tion in section 8.3.2 about how to solve the problem.
3.7
Change gas type
The device always switches on set to the preset gas type. During
operation you can temporarily switch between all gas types for
which a device is set up.
Fig. 26: Change gas type
Left image:
Gas type
menu item
The current gas type is displayed in the 2nd. line
(
here:
CH
4
).
Right image: List of the available gas types
Note:
If the
Device inspection due
symbol appears in the status bar
after the gas type has been changed, this must be performed
immediately.
Requirement for changing the gas type
−
The device is drawing in clean air.
The device is in measuring mode.
1. Press the Menu key.
2. Select
Gas type
.
3. Press the Enter key. The list of available gas types appears.
4. Select the relevant gas type.
5.
Press the Enter key. The device first returns a menu level
and then switches to measuring mode. The device uses the
selected gas type.