MSA ALTAIR 4 Operating Manual page 24

OPERATION
3.2.1 Screen Displays during Startup
During the power-up sequence, all automatic page display timeouts are preset
to a range from two to four seconds.
Several sequences and screens occur during start up:
Instrument Self Test
The instrument performs a self test.
Instrument Name and Software version
Software version and instrument name display.
Combustible Gas Type
Name of Combustible Gas Type displays, e.g.
Combustible gas type can be changed manually through the
SENSOR SETUP menu or the MSA Link software.
Toxic Gas Units
Name of Toxic Gas Units displays (ppm or mg/l).
Toxic units can only be modified through the MSA Link
software.
24
BUTANE
ALTAIR 4 - Operating Manual
MSA
COMB/EX O2
CO
H2S
.
COMB/EX
CO
H2S