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Redback® A 1730 Message Player
3.0 REAR PANEL CONNECTIONS
12-30V DC
IN
-
1
1
DC Input
Power is supplied to the unit via a 2.1mm (tip to positive) DC socket. The A 1730 requires a minimum of 12VDC
at 300mA to work correctly with a maximum working voltage of 30VDC. Do not exceed 30VDC as it will cause
permanent damage to the unit. A good working voltage is between 12VDC and 24VDC.
2
RCA Stereo Line Output
Connect these outputs to the output amplifier. Output level is nominal 500mV but is related to the recorded
level of the MP3.
3
Pluggable 12-30VDC switched output
Connects via Euroblock screw terminals. Please observe correct polarity when connecting.
The switched output terminal is triggered when any message or tone is activated. The output voltage is the
same as the power supplied to the unit. ie if the A 1730 is powered by 12V DC, the switched output voltage will
be 12V DC.
4
Cancel Trigger
The cancel trigger is activated by closing contacts on the rear of the unit whether by a normally open switch
or a timer or controller. The trigger can be set to Momentary or Alternate triggering. See DIP SW settings.
5
Alert and Evac Triggers
The Alert and Evac triggers are activated by closing contacts on the rear of the unit whether by a normally
open switch or a timer or controller. The triggers can be set to Momentary or Alternate triggering. See DIP SW
settings. (Note: These triggers have a common ground).
6
Message 1-8 Triggers
The message triggers are activated by closing contacts on the rear of the unit whether by a normally
open switch or a timer or controller. The triggers can be set to Momentary or Alternate triggering. See DIP SW
settings. (Note: These triggers have a common ground).
7
DIP Switches
These DIP switches are used to:
Set the triggers as either momentary or alternate action.
Set the Alert and Evacuation tones to either "ON" or "OFF".
Disable or Enable the front switches for use.
Set the delay between the Alert and Evacuation tones.
8
Expansion Port
Not currently used.
6
Redback® Proudly Made In Australia
12-30V DC
TRIGGER OPERATION & ALERT/EVAC SETTINGS
SW
Switched
Triggers alternate
1
L
Out
2
Alert/Evac ON
3
Front switches active
4
Not Used
Triggers
Cancel
R
Close
Contacts
to
+
Line Out
–
Trigger
2
4
3
DIP Switch Settings
SW
AUTO ALERT TO EVAC SWITCHOVER TIMER SETTINGS. 0 = OFF. 1 = ON.
5
0
1
0
1
0
ON
OFF
6
0
0
1
1
0
Triggers momentary
7
0
0
0
0
1
Alert/Evac OFF
8
0
0
0
0
0
Front switches de-activated
Delay
(Sec.)
Alert
Evac
8
7
6
5
4
5
6
Fig 2
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
1
1
1
0
0
0
0
1
1
1
1
Expansion
0
0
0
1
1
1
1
1
1
1
1
Port
3
2
1
DIP Switches
1
2
3
4
5
6
7
8
1 2 3 4 5 6 7 8
7
8
www.redbackaudio.com.au
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