Led Definitions; Alarms; Vibrating Alarm; Horn - MSA Altair 5X Mode D'emploi

2.2.2 LED Definitions

LED DESCRIPTION
RED The Alarm LEDs are visual indications of an alarm condition or any type of
(ALARM) error in the instrument
GREEN The Safe LED flashes once every 15 seconds to notify the user that the
(SAFE) instrument is ON and operating under the conditions defined below:
• The green SAFE LED is enabled
• Combustible reading is 0% LEL or 0% Vol
• Oxygen (O
• Carbon Dioxide (CO
• All other sensor readings are 0 ppm
• No gas alarms are present (low or high)
• Instrument is not in Low Battery warning or alarm
• STEL and TWA readings are 0 ppm.
This option can be turned OFF through the MSA Link software
YELLOW The Fault LED activates if any of several fault conditions are detected
(FAULT) during instrument operation. This includes:
• An instrument memory error
• A sensor determined to be missing or inoperative
• A pump fault.
These faults are also indicated by activation of instrument alarm LEDs,
horn, and vibrating alarm

2.2.3 Alarms

The instrument is equipped with multiple alarms for increased user
safety:

2.2.3.1 Vibrating Alarm

The instrument vibrates when any alarm condition is active. This can be
turned OFF through the SETUP- ALARM OPTIONS menu
(Section 3.4.2).

2.2.3.2 Horn

This unit is equipped with an audible alarm. The horn can be turned
OFF through the SETUP- ALARM OPTIONS menu (Section 3.4.2).
2.2.3.3 InstantAlert™ Alarm
The InstantAlert exclusive feature allows the user to manually activate
an audible alarm to alert those nearby to potentially dangerous
situations. Holding the ▼ button for approximately 5 seconds while in
Normal Measure Mode activates the InstantAlert alarm. Access to this
feature may be restricted. See Section 3.4.2 for means to allow/disallow
user access.
) reading is 20.8%
2
) reading is < 0.03%
2
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