MSA ALTAIR 4 Manual De Instrucciones página 456

DESCRIPTION
2.3.3 Minimum Readings (MIN page)
This page shows the lowest level of oxygen recorded by the instrument
since turn-on or since the MIN reading was reset.
The minimum icon
To reset the MIN reading:
(1) Access the MIN page.
(2) Press the [
2.3.4 Short Term Exposure Limits (STEL page)
Attention!
If the STEL alarm activates, leave the contaminated area
immediately; the ambient gas concentration has reached the
preset STEL alarm level. Failure to follow this warning will
cause over-exposure to toxic gases and persons relying on this
product for their safety could sustain serious personal injury or
death.
The STEL icon
over a 15-minute period.
When the amount of gas detected by the instrument is greater than the
STEL limit:
Alarm sounds
•
• Alarm LEDs flash
• STEL icon flashes.
To reset the STEL:
(1) Access the STEL page.
(2) Press the [
The STEL alarm is calculated over a 15-minute exposure.
16
appears on the display.
] button.
appears on the display to show the average exposure
] button.
ALTAIR 4 - Operating Manual 10088160/00 Y-HLR
MSA
GB