MSA ALTAIR PRO Manual De Operación página 32

OPERATION
(4) If the equalisation is successful ("
the calibration.
CAL
! "
(5) During the "
mode.
! The value for the test gas in ppm is displayed.
(6) To change the value, press and hold the button, until the desired value is
set.
The new value for the test gas in ppm is displayed.
!
The button can be held down to change in larger increments.
! After 3 seconds, the instrument returns to the calibration mode.
(6) Feed test gas into the instrument (possible test gases " Section 5.3).
Attention!
The concentration of the test gas used must match the stipulated
value in the "Test gases" table in Section 5.3 for the relevant
instrument.
Otherwise, the calibration is not carried out correctly. If there is a fault,
it can lead to serious damage to health or even to death.
! The gas value, hour glass and "
! If calibration is successful, after approx. 90 s "
instrument returns to normal operating mode after 5 seconds.
! If calibration fails, "
normal operating mode after 5 seconds.
The current values were not changed.
(7) If calibration fails, check:
! whether the correct test gas was used,
! whether the test gas cylinder is empty or the date has expired,
! whether the test gas hose was connected to the sensor,
! whether the flow governor is set to 0.25 l/min.
(8) If necessary, repeat steps (1) to (7).
"OK" is displayed. Otherwise ("
!
of use.
(9) Conduct a self-test to confirm the calibration.
If the self-test is successful, a "
!
32
?
" " " is displayed.
CAL ?
" " " display, press the button and start the calibration
ERR
ALTAIR PRO - Operating Manual
OK
" display), press the button and begin
CAL
" are displayed alternately.
" is displayed and the instrument returns to
ERR
"), the instrument must be taken out
#
" is displayed.
OK
" is displayed and the
MSA
GB