Redback A 4427 Operating Manual page 10

Redback® A 4427 8 Channel Public Address Mixer
Open the Removable Disk and you should get a window that looks like figure 7.
The contents of the SD Card include a Library folder of sample MP3 files and five folders for the MP3 files associated with
the various triggers.
There should be default MP3 files included in each folder. These will need to be replaced with your own MP3 files.
Open the folder in which you want to install an MP3 (in our case its the Alert folder) and you should see an MP3 file which
is named Alert.MP3 as shown in figure 8.
10 Redback® Proudly Made In Australia
Fig 6
Fig 7
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