Redback A 4435 Operating Manual Download Page 10

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Redback® Proudly Made In Australia

10

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

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.

 

IMPORTANT NOTE: 

Ensure power is switched off when adjusting DIP switches. 

New settings will be effective when power is switched back on.

Summary of Contents for A 4435

Page 1: ...instructions carefully from front to back prior to installation They include important setup instructions Failure to follow these instructions may prevent the unit from working as designed Redback Pro...

Page 2: ...e starting manu facturing of commercial audio equipment in the mid 70 s we have always taken pride in producing a quality local product The new adoption of the Australian Made logo will help us get th...

Page 3: ...0 Overview Page 1 1 Introduction 4 1 2 Features 4 1 3 What s in the box 4 1 4 Front panel guide 5 1 5 Rear panel connections 6 2 0 Setup 2 1 MP3 File Setup 7 2 2 Power Connections 9 2 3 Audio Connect...

Page 4: ...active when a message contact is closed the message is queued and played once input one is no longer in use Messages are played on a first in best dressed FIBD basis and will also be queued if one me...

Page 5: ...s is used to store the MP3 audio files for the message audio playback Note the unit is supplied with a tamper cover so that the SD card is not easily removed The SD card may need to be pushed in with...

Page 6: ...riggers These contacts are for remote triggering of the internal MP3 player There are four contacts which correspond to the four MP3 files stored in the trigger folders of the SD card 7 DIP 5 These sw...

Page 7: ...If a SD slot is not available then the Altronics D 0371A USB Memory Card Reader or similar would be suitable not supplied You will first need to remove power from the A 4435 and then remove the SD ca...

Page 8: ...MP3 file cannot be Read only To check this right click on the MP3 file and scroll down and select Prop erties you will get a window that looks like figure 2 3 Make sure the Read Only box has no tick...

Page 9: ...nt section The output of the mixer is connected to a recorder which keeps a record of everything output from the system including anything said into the microphone Fig 2 5 www redbackaudio com au Made...

Page 10: ...ut 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 Balance...

Page 11: ...TORS Power on MP3 error Message active POWER SUPPLY 24V DC DIMENSIONS 482W x 175D x 44H WEIGHT 2 1 kg COLOUR Black 4 0 FIRMWARE UPDATE It is possible to update the firmware for this unit by downloadin...

Page 12: ...on Fri 8 30am 5 30pm Sat 9 00am 4 00pm Melbourne Vic 891 Princes Hwy SPRINGVALE VIC 3171 Open Mon Fri 8 30am 5 30pm Sat 9 00am 5 00pm Sun 10 00am 4 00pm Perth WA 174 Roe St PERTH WA 6000 Open Mon Wed...

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