Duration Of Use Of The Instrument - MSA ALTAIR Manuel D'utilisation

MSA
2.5.

Duration of use of the instrument

Normal operation
In normal operation, the instrument displays the remaining operation time in
months (0 - 24). If less than a month of operation time remains the displays
switches to days.
The instrument is designed in such a way that it will continue to function even
after the duration of use expires. In this case, it is shown with a "+" in front of the
display.
For problem-free operation of the instrument, even over the normal duration of
use of 24 months, carry out a function test before each use.
The instrument is ready for operation
 as long as the battery warning indicator (Pos. 6 in Fig. 2) does not
display and
 the self-test is successful.
Weakening battery
A weakening battery is indicated by
 the flashing battery warning indicator and
 the remaining operation time indicator going off.
Attention!
You are not allowed to use the instrument even if it still shows a gas
concentration.
Flat battery
A flat battery triggers the following alarm:
 an acoustic signal sounds,
 alarm LEDs flash,
 battery warning indicator flashes and
 the display shows "
The alarm can be turned off by pressing the test button.
Attention!
It is not permitted to continue to use the instrument!
The instrument must be taken out of use.
GB
ERR
".
ALTAIR Operating Manual
DESCRIPTION
11