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Image above shows all the icons on ARA.
The table below shows the symbols and their meanings.
Self-Test
Prior to daily use, it is recommended that users perform a self-test to ensure ARA awareness alarms (audio,
Mode
Alarm
Sensor
Warning
Unit
Time
visual and vibration) and all segments of the display screen are functioning correctly.
Below is a step-by-step process for performing the test:
Pioneering Gas Sensing Technology.
Symbol
HIGH/LOW Alarms
LOW Alarms
HIGH Alarms
H
S sensor
2
(blinking: Self-Test required)
CO sensor
(blinking: Self-Test required)
O
sensor
2
(blinking: Self-Test required)
SO
sensor
2
(blinking: Self-Test required)
Self-Test, Bump-Test, Calibration failed
Exposed to gas above Low alarm set points
blinking: Bump-Test required
to display unit of O
to display unit of H
to display Life Remaining
to display time over 1 month
to display time over 24 hours
Page 9 of 27
ARA Instrument User Manual V1.1
Description
sensor
2
S/CO/SO
2
2
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