
www.altronics.com.au
Redback® Proudly Made In Australia
2
Fig 1
3.0 FRONT PANEL CONNECTIONS
4.0 REAR PANEL CONNECTIONS
Timer
Music on Hold Player
A 1745
Power
Message
Music
Message Active
SD CARD
Fault
On
16GB Maximum
4
1
2
3
1
SD card slot
The SD card which has the messages (in MP3 format) to be played is inserted here. The SD card can be a
maximum of 16GB.
2
Message Active Switches and Indicators
These switches are used to trigger the messages and music. The LED’s inside the switches indicate when the
associated message is playing.
3
Status Led
This LED indicates whether the unit is ON or has a Fault condition. If the LED is “steady blue” the unit is
receiving power. If the LED is “flashing red” then a fault has occured with the unit.
4
Power Switch
Used to turn the unit On or OFF.
Fig 2
1
DC Input
Power is supplied to the unit via a 2.1mm (tip to positive) DC socket. The input voltage must be between
12-30V DC.
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
DIP Switches
DIP switches 5-8 set the delay between the mesage playback.
1
2
3
L
R
Line Out
12-30V DC
IN
1 2 3 4 5 6 7 8
DIP Switches
+
-
1 2
3
4 5
6
7 8
M
anufac
tur
ed in A
ustr
alia B
y
DIP Switch Settings
5
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
6
0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
7
0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
8
0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
Delay
(Sec.)
O
FF
30
60
90
120
150
180
210
240
270
300
330
360
390
420
450
MESSAGE INTERVAL TIMER SETTINGS. 0 = OFF. 1 = ON.
SW
www.altronics.com.au
Manufactured in Australia By
Altronic Distributors Pty. Ltd.
1-4
Not Used