Fresh Air Setup - MSA ALTAIR 5 Manual De Instrucciones

MSA
3.2.2 Fresh Air Setup (FAS)
The Fresh Air Setup (FAS) is for automatic ZERO calibration of the
instrument.
The FAS has limits. If a hazardous level of gas is present, the instrument
ignores the FAS command and the instrument alarm activates.
The Fresh Air Setup is not available for the CO
Do not activate the Fresh Air Setup unless you are certain you are in
fresh, uncontaminated air; otherwise, inaccurate readings can occur
which can falsely indicate that a hazardous atmosphere is safe. If you
have any doubts as to the quality of the surrounding air, do not use the
Fresh Air Setup feature. Do not use the Fresh Air Setup as a substitute
for daily calibration checks. The calibration check is required to verify
span accuracy. Failure to follow this warning can result in serious
personal injury or death.
Figure 3-1
The instrument displays a blinking "
the user to perform a Fresh Air Setup:
(1) Press the
The Fresh Air Setup is skipped and the instrument goes to the
•
Measuring page (Main page).
(2) Press the
The instrument starts the FAS sequence and the FAS screen
•
displays.
A progress bar shows the user how much of the FAS has been
•
completed.
At the end of the FAS, the instrument displays either
•
"
FRESH AIR SETUP PASS
"
FRESH AIR SETUP FAIL
US

Fresh Air Setup

button to bypass the Fresh Air Setup.
button to perform the Fresh Air Setup.
ALTAIR 5 - Operating Manual
NOTICE
sensor.
2
WARNING
0
PPM
0
PPM
0.0
FRESH AIR SETUP ?
YES
FRESH AIR SETUP?
" or
".
OPERATION
SETUP
Vol%
COMB
PPM
0
CO
NO
", prompting
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