MSA AUER ALTAIR, Руководство по эксплуатации

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MSA OPERATION
ALTAIR
TM
Operating Manual
19
3.5. Function tests on the instrument
Checking the ready indicator
The alarm LEDs and the ready indicator in the display must flash every 60 s after
starting the instrument.
Alarm test
The alarm test must be conducted before each use.
It is part of the self-test.
(1) Briefly press the [TEST] key.
A short alarm is triggered. These include:
ƒ temporary display indicators;
ƒ alarm LEDs flash;
ƒ acoustic signal sounds briefly and
ƒ vibration alarm is triggered briefly.
Self-test
The self-test ( Æ Fig. 6) must be conducted before each use.
(1) Briefly press the [TEST] key.
ƒ In the oxygen version, the set oxygen concentration is displayed.
Calibration (
Æ
Section 3.6) must be carried out if the value deviates from
20.8%!
ƒ "
TEST
" "
GAS
" "
?
" is displayed.
ƒ The alarm test (see above) is triggered.
(2) Press the [TEST] key again if "
TEST
" "
GAS
" "
?
" is displayed.
ƒ Hour glass and "
GAS
" are displayed
(3) Feed test gas into the instrument (possible test gases Æ "Test gases" table
in Section 5.2).
ƒ "
OK
" is displayed.
(4) Press the [TEST] key again.
ƒ
In addition to the remaining operation time, a "
9
“ is displayed for
24 hours to indicate that the self-test was successful.