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Redback® A 4435A Mixer 4 Input & Message Player
3.0 TROUBLE SHOOTING
If the Redback® A 4435A Mixer/Message Player fails to deliver the rated performance, check the following:
No Power, No Lights
The standby switch is used to turn the unit on. Make sure this switch has been pressed.
Make sure mains power switch is on at the wall.
Check the supplied plugpack is connected correctly.
MP3 files not playing
The files must be MP3 format. Not wav, AAC or other.
Check SD card is inserted correctly.
DIP switch changes not effective
Turn the unit OFF before changing DIP switch settings. Settings become effective after power is returned.
4.0 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.
2) Remove the SD card from the A 4435A and insert it into your PC. (Follow the steps on page 8 to open the SD card).
3) Extract the contents of the Zip file to the root folder of the SD Card.
4) Rename the extracted .BIN file to update.BIN.
5) Remove the SD card from the PC following windows safe card removal procedures.
6) With the power turned OFF, insert the SD card back into the A 4435A.
7) Turn the A 4435A ON. The unit will check the SD card and if an update is required the A 4435A will perform the update
automatically.
www.redbackaudio.com.au
Redback® Proudly Made In Australia 11
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