Troubleshooting; Specifications - Redback A 1741 Operating Manual

7.0 Troubleshooting

NO Power (Power LED does not illuminate):
Check power supply DC jack is 2.1mm and not 2.5mm size.
Power supply voltage is 12-30VDC.
Power supply is a DC output, not AC.
Message active 10 LED flashs all the time:
This is an indicator that the SD card is not inserted correctly or is not formatted. Make sure all folders
on the SD card are as per figure 6.
Emergency tones do not work:
Switch DIP switch 2 ON to activate emergency tones.

8.0 Specifications

Power supply: .................. 12VDC to 30VDC 300mA (idle/maximum current draw 150mA) tip positive
Output: .................................................................................................. Stereo RCA 500mV nominal
MP3 sample rate: ...................................................................................................................... 44kHz
SD card size: .............................................................................................................. 256MB to 16GB
Trigger activation: ......................................................................................................Closing contact
Switched output: ............................................................... 12-30VDC out (supply voltage dependant)
MP3 info:
Length/size: ................................ Limited by card size (800mins @ 128kbps, 44kHz on supplied 8GB)
Bit rate: .................................................................. All standard MP3 rates (128kbps recommended)
Sample rate: ............................................................... All standard MP3 rates (44kHz recommended)
Channels: .................................................................................................................. Stereo or mono
* Specifications subject to change without notice.
Redback® Proudly Made In Australia
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