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Redback® A 4565B Evacuation Controller
2.6 MP3 AUDIO FILES and ALERT and EVAC VOICE OVER MESSAGES
The supplied MIcro SD card houses all the MP3 audio files used for the output tones. These files are stored in seven sepa-
rate folders (see figure 2.6) and relate to the corresponding output. e.g. the Alert folder houses the MP3 file to be played
when the Alert mode is triggered.
These files can be any length and bit rate, but must be in MP3 format (they cannot be Wav files or AAC files).
(NOTE: only one MP3 file can be in each folder).
There is also a folder labelled "#LIBRARY# which contains a host of sample MP3 files.
The "Voice" folder contains the MP3 audio files played as the Alert and Evacuation messages. There are separate folders
for both the Alert and Evac messages as shown in figure 2.6.
The messages have to be recordered in MP3 format using any readily available PC software or other means, and then
transferred to these folders.
Activating the Voice Over Message:
Voice over messages become active when an MP3 file is present in the relevant folder. If the voice over message is not
required leave the folder empty.
Fig 2.6
2.7 ALERT, EVAC and BELL Tones Backup
The A 4565B has hard coded Alert, Evacuation and Bell tones in the event of an SD card failure or the removal of the SD card
while the unit has power. These tones are played by the internal microprocessor and cannot be modified.
(Note: The unit will not start if the Micro SD card is not fitted on power up).
(NOTE: The hard coded Alert/Evac mode has no voice over messages).
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