MSA ALTAIR 4X Manuel D'utilisation page 38

1. To bypass this setup, press the ▼ or ▲; otherwise, continue
as follows.
2. Press the button to enter the submenu.
3. Set alarms ON or OFF by pressing the ▲ or ▼ button. Confirm
with the button.
• LOW ALARM settings for the first sensor display
4. Press the ▲ or ▼button to change the value.
5. Press the button to store the value.
• HIGH ALARM settings for the first sensor display.
6. Press the ▲ or ▼ button to change the value.
7. Press the button to store the value.
• STEL ALARM settings (for toxic sensors only) display.
8. Press the ▲ or ▼ button to change the value.
9. Press the button to store the value.
• TWA ALARM settings (for toxic sensor only) for display.
10.Press the ▲ or ▼ button to change the value.
11. Press the button to store the value.
12.Repeat the procedure for all other sensors.
13.After setting the last sensor, continue to Time and Date setup.
60% LEL or 3.0% volume of methane is the maximum High Alarm
setpoint that can be programmed by the user.
The combustible alarm can be turned OFF by the user in the instrument
setup. When the combustible alarm is turned OFF, the only indicator to
the user that the combustible alarm is turned OFF occurs during power
up of the instrument at which a startup screen will indicate that the
combustible alarm is turned OFF. When turned ON, the combustible
high alarm is latching. The combustible alarm can be silenced
Figure 3-4. Alarm Setup
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