MSA OPERATION
ALTAIR 4 - Operating Manual 31
3.4.2 Calibration Setup
The user can change and set the calibration values for each sensor.
It is also possible to select whether the Cal Due screen is displayed and set
the number of days until the next calibration is due.
For more information, see the flow charts in Section 7.7.
COMB/EX
O2
H2S
CO
Figure 3-3 Calibration Setup
(1) To bypass this setup, press the
[
]
or
[
]
button; otherwise, continue
as follows.
(2) Press the
[
]
button to enter the submenu.
• The calibration gas concentration of the first sensor is shown.
(3) Press the
[
]
button or the
[
]
button to change the value.
(4) Press the
[
]
button to store the value.
• Setup screen for the next sensor is displayed.
(5) Repeat the procedure for all other sensors.
• After setting the last sensor, the user is prompted to set CALDUE.
(6) Press the
[
]
button or the
[
]
button to enable or disable CALDUE
Press the
[
]
button to confirm the selection.
(7) If CALDUE is set ON, press the
[
]
or the
[
]
button to select the
number of days
(8) Confirm with the
[
]
button.
(9) After confirmation, continue to Alarm setup.
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