Redback®
A 1717 Message Player
www.altronics.com.au
Redback® Proudly Made In Australia
3
4.0 FRONT PANEL CONNECTIONS
Fig 1
1 Volume
Use this to adjust the volume.
2
Message Active Indicators
These LED’s indicate when the associated message is playing. The messages are activated by using the triggers on
the rear of the unit. (See Fig 2 for details.)
3
DIP Switches
These switches are used to enable various options. See section 7 for more details.
4
Micro SD card slot
The Micro SD card which has the messages (in MP3 format) to be played is inserted here. The Micro SD card can
be a maximum of 16GB.
5
Power Led
This LED indicates when the unit is ON.
5.0 REAR PANEL CONNECTIONS
Fig 2
1
24V DC Input
Connects to a 24V DC supply with at least 0.5 Amp current capacity. (Please observe the polarity)
2
24V DC Input
Power is supplied to the unit via a 2.1mm (tip to positive) DC socket. The input voltage must be between
24-30V DC.
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 1717 is powered by 24V DC, the switched output voltage
will be 24V DC.
4
Message 1-4 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. Trigger 4 also acts as a remote cancel when DIP switch ?? is set to ON.
5
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.
1
4
2 3
5
+_
+
-
Audio
Out
24V
DC In
Triggers
Switched
24V Out
L
R
24V
DC In
+_
www.redbackaudio.com.au
Manufactured in Australia By Altronic Distributors Pty. Ltd.
4
Cancel
1
2
3
1
2
A 1717
MP3 Message Player
Power
SD Card
1 2 3 4
Active MP3
1
2
3
4
Volume
1 2
3
4
3
4 5