MSA ORION Manual page 15

Four-Head Gas Detector: MSA Orion
Flag Explanation
Heartbeat. This flag flashes every 30 seconds to the left of the battery detector to
confirm the instrument is on and operating.
Display
start-up
The instant reading for combustible gases is shown here. Peak value is displayed
%LEL
here when that option is chosen.
The instant reading for oxygen is shown here. Peak and Min values are displayed
%O
2
here when those options are chosen.
The instant reading for carbon monoxide is shown here. Peak, STEL, and TWA
PPM CO
values are also displayed here when those options are chosen.
The instant reading for hydrogen sulphide is shown here. Peak, STEL, and TWA
PPM H S
2
values are also displayed here when those options are chosen.
Figure 4 The Orion LCD showing the instant reading display in clean air
The battery flag displays at all times. Instant readings for %LEL, %O
and ppm H
D.I. Rec-ommended Practice
FILE: W:\NB\RP HMRU\Orion\Frame Ver 02\Orion.fm
Table 3: LCD flag explanation
during
S are displayed.
2
Version 02 Issued February 2011
© Copyright State of NSW (Fire and Rescue NSW) 2011
7
, ppm CO,
2