MSA altair 5, Instruction Manual

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2-3
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 (O2) reading is 20.8%
• 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
2.2.3 Alarms
The instrument is equipped with multiple alarms for increased user
safety:
2.3.3.1 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).
2.3.3.3 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.
2.3.3.4 Motion Alert Alarm
If Motion Alert is turned ON (
+
= ON) and activated (see Section 3.4.2),
the instrument activates a "Man Down" alarm if motion is not detected
within 30 seconds. The Alarm LEDs flash, and the horn activates with
an increasing audible frequency.