MSA ALTAIR PRO Manuel D'utilisation page 19

MSA
When performing a fresh air setup, the instrument must be in a known
clean air. The fresh air setup has limits.
If a hazardous level of gas is present, the instrument displays "
Press the button to acknowledge the error and perform an instrument
calibration.
(4) If Fresh Air Setup is desired, immediately press the button.
HOURGLASS
! "
(5) If Fresh Air Setup is not desired, do not press the button.
! The instrument continues the ON sequence.
(6) If the instrument was configured for Oxygen, it displays
Oxygen reading,
!
! % icon and
! battery indicator.
(7) If the instrument was configured for a toxic gas, it displays
! gas reading,
! ppm icon and
! battery indicator.
GB
SET FAS
", " " and "
ALTAIR PRO - Operating Manual
" display.
OPERATION
FAS/ERR
".
19