MSA ALTAIR 2X - 3.8 Changing Alarm Setpoints

ALTAIR 2X
33
Use
GB
STEL Alarm
When the amount of gas detected by the device is greater than the STEL limit:
- Alarm sounds
- Alarm LEDs flash
- STEL icon is displayed
The STEL alarm can be silenced for a few seconds by pressing the button while
it is still in alarm.
The STEL alarm is non-latching and will reset when STEL reading falls below
the STEL setpoint. The STEL value can be cleared. ( Fig. 10 for details.)
TWA Alarm
When the TWA reading reaches or exceeds the TWA alarm setpoint:
- Alarm sounds
- Alarm LEDs flash
- TWA icon is displayed.
The TWA alarm can be silenced for a few seconds by pressing the button while
it is still in alarm.
The TWA alarm is latching and will not reset. The TWA value can be cleared.
( Fig. 10 for details.)
Refer to the device during test mode for factory-set alarm setpoints.
3.8 Changing Alarm Setpoints
Alarm setpoints can only be changed using the MSA Link™ Software.