13
AUDIO TONES
The following table describes the audio output (including frequency, duration and
tone) for different events.
Table 4: AURA™ Monitor Audio
Output.
Event
Event Description
Audio
Startup
At power up.
880 Hz 250ms tone
Button Selection
Button (any except on/off) pressed.
880 Hz 50ms tone
Alarm (High Priority)
Enabled alarm condition detected.
Audio pattern output repeatedly
every 5 seconds until alarm cleared
or user mutes the alarm.
A A A
–
A A | A A A
–
A A
A
= 440 Hz 100ms tone with 4
harmonics space indicates
50ms gap
–
indicates 250ms
gap | indicates 2.5 second gap
Alarm (Medium Priority)
Enabled alarm condition detected.
Audio pattern output repeatedly
every 5 seconds until alarm cleared
or user mutes the alarm.
A A A
A
= 440 Hz 150ms tone with 4
harmonics space indicates
150ms gap
Alarm (Low Priority)
Enabled alarm condition detected.
Audio pattern output repeatedly
every 20 seconds until alarm
cleared or user mutes the alarm.
C A
C
= 523 Hz 200ms tone with 4
harmonics A = 440 Hz 200ms
tone with 4 harmonics space
indicates 200ms gap
Fault (Low Priority)
Fault condition detected. Audio
pattern output repeatedly every 30
seconds until power off or user
mutes the fault.
C A
C
= 523 Hz 200ms tone with 4
harmonics A = 440 Hz 200ms
tone with 4 harmonics space
indicates 200 ms gap
Sensor Pairing
The antenna pairs with the sensor.
D A D
D
= 587 Hz 100 ms tone
A
= 880 Hz 50 ms tone
D
= 1174 Hz 100 ms tone
space indicates 50 ms gap
Sensor Unpairing
The Antenna unpairs from the
Sensor.
D A D
D
= 1174 Hz 100 ms tone
A
= 880 Hz 50 ms tone
D
= 587 Hz 100 ms tone space
indicates 50 ms gap
Data Receiver Pairing
The Monitor pairs with a receiver.
D D
D
= 587 Hz 100 ms tone
D
= 1174 Hz 100 ms tone
space indicates 50 ms gap
Data Receiver Unpairing
The Monitor unpairs from a
receiver.
D D
D
= 1174 Hz 100 ms tone
D
= 587 Hz 100 ms tone space
indicates 50 ms gap
