34
3 Operation
INS block
When the inspection block is
enabled, an inspection must be
performed on the next due date.
The device cannot be used in
measuring mode until the inspec-
tion has been carried out and
confirmed.
PPM signal
Used to switch visual/audible
signals on and off in the ppm
range.
PIN code
Used to enter your PIN code
enabling access to the advanced
settings.
AL1 alarm
First modifiable alarm thresh-
old: e.g. 10 % LEL for
Warn-
ing %LEL
application
AL2 alarm
Second modifiable alarm thresh
-
old: e.g. 20 % LEL for
Warn-
ing %LEL
application
AL4 alarm
No function assigned for op-
erator guidance by
application
.
For operator guidance by
sen-
sor
, this is the permanently
assigned alarm threshold for
automatic
mode.
Yes
No
acoustic /LED
acoustic
LED
No
PIN 0000
%LEL 10
%LEL 20
A 0.50 Vol%
