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Redback® A 4435 Mixer 4 Input & Message Player
2.4 DIP Switch settings
The A 4435 have a set of options which are enabled via the DIP switches 1-5.
DIP 1-4 set the input level sensitivity, phantom power and priorities for inputs 1-4 as outlined below.
(* Priority/VOX muting is only available for inputs 1-2. Inputs 3-4 have no priority levels.)
DIP 1
Switch 5 - Input 1 Select - OFF - Mic, ON - Line
Switch 6 - Sets Input 1 sensitivity to either ON - 1V or OFF - 100mV. (This affects both the Balanced Mic and Line inputs)
Switch 7 - Sets Input 1 priority or VOX to ON or OFF.
Switch 8 - Enables Phantom power to the Mic on input 1.
DIP 2
Switch 1 - Input 2 Select - OFF - Mic, ON - Line
Switch 2 - Sets Input 2 sensitivity to either ON -1V or OFF -100mV. (This affects both the Balanced Mic and Line inputs)
Switch 3 - Sets Input 2 priority or VOX to ON or OFF.
Switch 4 - Enables Phantom power to the Mic on input 2.
DIP 3
Switch 5 - Input 3 Select - OFF - Mic, ON - Line
Switch 6 - Sets Input 3 sensitivity to either ON - 1V or OFF - 100mV. (This affects both the Balanced Mic and Line inputs)
Switch 7 - Not used
Switch 8 - Enables Phantom power to the Mic on input 3.
DIP 4
Switch 1 - Input 4 Select - OFF - Mic, ON - Line/Music input
(Must be set to ON for Music Input to operate)
Switch 2 - Sets Input 4 sensitivity to either ON - 1V or OFF - 100mV. (This affects both the Balanced Mic and Line inputs)
Switch 3 - Not used
Switch 4 - Enables Phantom power to the Mic on input 4.
Input 1: When VOX is enabled on input 1 it will override inputs 2 - 4.
Input 2: When VOX is enabled on input 2 it will override inputs 3 - 4.
DIP 5
Switch 1 - ON - Hold trigger contact closed to play, OFF - Hold trigger contact closed momentarily to play.
Switch 2 - ON - Trigger 4 acts as a remote cancel, OFF - trigger 4 acts as normal trigger.
Switch 3 - Not used
Switch 4 - Not used
IMPORTANT NOTE:
Ensure power is switched off when adjusting DIP switches.
New settings will be effective when power is switched back on.
3.0 TROUBLE SHOOTING
If the REDBACK Phase 4 amplifier 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.
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Redback® Proudly Made In Australia
www.altronics.com.au
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