72
7 Appendix
Pressure at gas input:
100 mbar, maximum
Operation:
– ON/OFF key
– Jog dial
– 3 function keys
7.2
Alarms
A
WARNING! Risk to life from dangerous gas concen-
trations
An alarm always indicates danger.
●
Take all necessary measures for your own safety and
the safety of others immediately.
The type of action depends on the situation. In the event of a
pre-alarm, it may be sufficient to ventilate thoroughly. In the event
of a main alarm, it may be necessary to leave the danger zone
immediately.
7.2.1
Features
AL1
Type:
Pre-alarm
Adjustable:
Yes
Latching:
No
Trigger:
Alarm threshold AL1 exceeded
Indicator:
– Audible signal
– Visual signal
–
AL1
notification on display
Acknowledge-
ment:
– Possible for audible signal when alarm threshold
AL1 is exceeded
Reset:
– Automatic when level falls below alarm threshold
AL1
Exception for
oxygen
: alarm AL1 is triggered when the level falls
below alarm threshold AL1.