Backlight; Monitoring Toxic Gases - MSA ALTAIR PRO Manual De Operación

DESCRIPTION
Confidence indicator
The Confidence indicator flashes once every 60 seconds to notify the user that
the instrument is ON and operating normally. In addition, both LEDs will flash
briefly every 60 seconds.

Backlight

The backlight can be manually activated with a quick push of the button. The
backlight remains ON for 10 seconds.
2.3.

Monitoring Toxic Gases

With the ALTAIR PRO, you can monitor the concentration of the following toxic
gases in the ambient air:
Carbon monoxide (CO)
!
! Hydrogen sulphide (H
The Altair PRO Detector displays the gas concentration in parts per million (PPM)
on the measuring page. The instrument remains on this page until another page
is selected or the instrument is turned OFF.
Attention!
If an alarm is triggered while using the instrument as a monitor, leave
the area immediately.
Remaining on site under such circumstances can cause serious
damage to health or can even lead to death.
There are four alarm setpoints in the instrument:
! High Alarm
! Low Alarm
! STEL Alarm
! TWA Alarm
The backlight turns ON for 20 seconds during an alarm condition.
If the gas concentration reaches or exceeds the alarm setpoint the instrument will
display and flash "
For more and detailed information " Section 3.3.
12
S)
2
LO HI ALARM
" or " " and "
ALTAIR PRO - Operating Manual
" and enter an alarm sequence.
MSA
GB