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Redback® A 1741C Message Player
7.0 TROUBLESHOOTING
NO Power (Power LED does not illuminate):
Check power supply DC jack is 2.1mm and not 2.5mm size.
Check the power supply voltage is 12-30VDC.
Check the power supply is a DC output, not AC.
Message active 10 LED flashes all the time:
This is an indicator that the Micro SD card is not inserted correctly or is not formatted. Make sure all folders on the Micro
SD card are as per figure 6.
Emergency tones do not work:
Switch DIP switch 2 ON to activate emergency tones.
8.0 FIRMWARE UPDATE
It is possible to update the firmware for this unit by downloading updated versions from www.altronics.com.au or
redbackaudio.com.au.
To perform an update, follow these steps.
1) Download the Zip file from the website (make sure it is an update for the A 1741C, not earlier models).
2) Remove the Micro SD card from the A 1741C and insert it into your PC. (Follow the steps on page 5 to open the Micro
SD card).
3) Extract the contents of the Zip file to the root folder of the Micro SD Card.
4) Rename the extracted .BIN file to update.BIN.
5) Remove the Micro SD card from the PC following windows safe card removal procedures.
6) With the power turned OFF, insert the Micro SD card back into the A 1741C
7) Turn the A 1741C ON. The unit will check the micro SD card and if an update is required the A 1741C will perform the
update automatically.
9.0 SPECIFICATIONS
Power supply: .................................................. 12VDC to 30VDC 300mA (idle/maximum current draw 150mA) tip positive
Output: ................................................................................................................................... Stereo RCA 500mV nominal
MP3 File Format: ..........................................................128kbps, 44.1kHz, 32bit, VBR or CBR, Stereo (even better as mono)
SD card size: .............................................................................................................................................. 256MB to 16GB
Trigger activation: ........................................................................................................................................Closing contact
Switched output: .............................................................................................. 12-30VDC out (supply voltage dependant)
* Specifications subject to change without notice.
Distributed by Altronic Distributors Pty. Ltd. Perth. Western Australia.
Phone: 1300 780 999 Fax: 1300 790 999 Internet: www.altronics.com.au
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Redback® Proudly Made In Australia
www.redbackaudio.com.au
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