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Redback A 4480B Operating Manual

8 in to 8 out audio switcher
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Redback® A 4480B 8 In to 8 Out Audio Switcher
A 4476
A 4931
A 4481
A 4493
Operating Manual
A 4480B
8 Input / 8 Output Audio Switcher
A 4481 Paging Console
A 4476 Preset Selector Wallplate
A 4931, A 4931V, A 4932 Local Input Wallplate or Box
A 4493 Music Source Selector Wallplate
Redback® Proudly Made In Australia
Distributed by Altronic Distributors Pty. Ltd.
Phone: 1300 780 999 Fax: 1300 790 999 Internet: www.altronics.com.au
IMPORTANT NOTE:
Please read these instructions carefully from front to back prior to installation. They include
important setup instructions.
Failure to follow these instructions may prevent the system from working as designed.
User manual revision number: 1.0 09/04/2020
www.altronics.com.au
Redback® Proudly Made In Australia
1

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Summary of Contents for Redback A 4480B

  • Page 1 Redback® A 4480B 8 In to 8 Out Audio Switcher A 4476 A 4931 A 4481 A 4493 Operating Manual A 4480B 8 Input / 8 Output Audio Switcher A 4481 Paging Console A 4476 Preset Selector Wallplate A 4931, A 4931V, A 4932 Local Input Wallplate or Box A 4493 Music Source Selector Wallplate Redback®...
  • Page 2 Australian Made Status All Redback house products made by Altronics will now be sporting the official Australian Made logo. Since starting manu- facturing of commercial audio equipment in the mid 70’s we have always taken pride in producing a quality local product.

  • Page 3: Table Of Contents

    Redback® A 4480B 8 In to 8 Out Audio Switcher Contents 1.0 Overview 1.1 Introduction 1.2 Features 1.3 What’s in the box 1.4 Front panel guide 1.5 Rear panel connections 2.0 Setup Guide 2.1 A 4573 Alert/Evac Module 2.2 Connecting audio sources 2.3 Connecting outputs...
  • Page 4 Redback® A 4480B 8 In to 8 Out Audio Switcher Contents 5.0 Peripheral Connections 5.1 Paging console overview (A 4481) 5.1.1 Features 5.1.2 DIP switch settings 5.1.3 Connecting the paging consoles 5.1.4 Cascading the paging consoles 5.1.5 Cascading the paging consoles with 8 zone wallplates and a preset plate 5.1.6 Multi-zone paging...

  • Page 5: Overview

    Redback® A 4480B 8 In to 8 Out Audio Switcher Overview 1.0 OVERVIEW 1.1 INTRODUCTION Designed to meet the demands of todays complex installations, this unit is a very versatile cost effective public address/ background music control system. In total there are 16 inputs: •...

  • Page 6: Features

    Redback® A 4480B 8 In to 8 Out Audio Switcher Overview 1.2 FEATURES • 8 Stereo RCA line inputs (internally mono mixed). • 2 Microphone XLR inputs with phantom power option. • Adjustable line input sensitivity 0.3/0.7V. • Individual bass, treble and volume controls of all line inputs.

  • Page 7: Front Panel Guide

    Redback® A 4480B 8 In to 8 Out Audio Switcher Overview 1.4 FRONT PANEL GUIDE Fig 1.4A shows the layout of the A 4480B front panel. A 4480B Input 1 Input 2 Input 3 Input 4 Input 5 Input 6...

  • Page 8: Rear Panel Connections

    The LCD is used to indicate which inputs are selected to which outputs. Inputs 1-8 volume controls Use these to adjust the volumes of the RCA input sources. 1.5 REAR PANEL CONNECTIONS Fig 1.5A shows the layout of the A 4480B rear panel. 9 10 INPUTS ALERT - EVACUATION MODULE SW3 Input 1 &...
  • Page 9 Redback® A 4480B 8 In to 8 Out Audio Switcher Overview XLR line inputs inputs 1 & 2 female XLR inputs. XLR input phantom power settings Phantom power can be applied to the XLR inputs via DIP switch 3. Refer to Fig 1.5c.

  • Page 10: Setup Guide

    Redback® A 4480B 8 In to 8 Out Audio Switcher Overview USB keyboard connector Connects to a standard USB keyboard for programming the front panel LCD. Micro SD Card Socket This socket is used to update firmware (Micro SD card not supplied).

  • Page 11: A 4573 Alert/Evac Module

    Redback® A 4480B 8 In to 8 Out Audio Switcher Setup Guide Triggering the tones The unit is triggered by closing the contacts on the 5 way pluggable header. There are four different trigger inputs as shown in Fig 2.1a.
  • Page 12 Redback® A 4480B 8 In to 8 Out Audio Switcher Setup Guide Microphone Switch 1 DIP Switches Alert/Evac level 10 Way IDC Cable (To amplifier) Chime Voice over Trigger contacts level level Fig 2.1b Chime Options There are two contacts available for activating the chime tones, and there are four different chimes available (pre announcement, Ding Dong, Repeating Bing and Repeating Bong).

  • Page 13: Connecting Audio Sources

    1 - Use a dual RCA lead to connect the INPUT 1 on the A 4480B to the audio output sockets of the source eg: tuner. 2 - Use a dual RCA lead to connect the INPUT 2 on the A 4480B to the audio output sockets of the source eg: DVD player.

  • Page 14: Connecting Power

    Next, connect power to the unit. (see Fig 2.4A) The A 4480B can be powered from either a 24V DC rated source or mains rated 220-240V AC @ 50Hz. 24V DC can be supplied via a 2 way pluggable terminal. The supply would need to be able to deliver a continuous 24V DC @ 2A.

  • Page 15: Routing Audio To A Zone

    Redback® A 4480B 8 In to 8 Out Audio Switcher Setup Guide 2.5.1 Routing audio to a zone In our example we have 2 input sources and 4 zones. Selecting which zone receives which audio is very simple. The but- tons on the left side of the LCD are the zone selection buttons.(see Fig 2.5B)

  • Page 16: Adjusting The Bass, Treble And Input Volumes

    Redback® A 4480B 8 In to 8 Out Audio Switcher Setup Guide 2.6 ADJUSTING THE BASS, TREBLE AND INPUT VOLUMES The system is now setup and ready to run. The eight audio inputs all have separate bass, treble and volume controls, which are accessible on the front panel as shown in Fig 2.6A.

  • Page 17: Paging Console Configuration

    Examples might include music being isolated or blocked to the “car park” or common areas. To isolate an input from a zone, press the isolate button on the front of the A 4480B. The screen shown in Fig3.1C will ap- pear.

  • Page 18: Emergency Overrides & Priorities

    Dressed basis. This will over-ride all other inputs except the emergency microphone. The output level of the priority input can be adjusted vis the trimpot on the rear of the A 4480B. The audio input has a trimpot adjustable vox input sensitivity.

  • Page 19: Labelling Of Input Sources, Zones & Presets

    4.3.1 How to label input sources and zones via USB keyboard Plug a standard USB keyboard into the USB socket on either the front or rear of the A 4480B. The keyboard will be auto- matically detected and navigate the user to the label input screen.
  • Page 20 Redback® A 4480B 8 In to 8 Out Audio Switcher Connections Redback® Proudly Made In Australia www.altronics.com.au...

  • Page 21: How To Label Input Sources & Zones With Usb Keyboard

    Redback® A 4480B 8 In to 8 Out Audio Switcher Connections www.altronics.com.au Redback® Proudly Made In Australia 21...

  • Page 22: Presets

    4.4.1 User defined presets (1-4) The A 4480B has 4 user defined presets which the user programs to save frequently used configurations. The user de- fined presets can be labelled via the use of a USB keyboard. This is covered in section 4.2. For instance you may set up the matrix for a wedding.

  • Page 23: Peripheral Connections

    A maximum of 8 paging consoles can be connected to the A 4480B at the same time. These work on a “first in, best dressed”...

  • Page 24: Features

    Redback® A 4480B 8 In to 8 Out Audio Switcher Peripheral Connections 5.1.1 Features • Multi zone paging. • Zone lock out facility. • Recall multiple zones with a single button press. • Keyboard entry labelling of recall zones. • LCD for indicating zone selections.

  • Page 25: Cascading The Paging Consoles

    A maximum of eight consoles can be connected at one time but only used in certain configurations. There are four RJ45 ports on the back of the A 4480B which can be used to connect the A 4481 paging consoles. Each port can accomodate a maximum of two paging consoles.

  • Page 26: Cascading The Paging Consoles With 8 Zone Wallplates And A Preset Plate

    5.1.7 Zone lock out General paging can be blocked to any zones either at the A 4480B main unit or via the paging consoles. To block paging to a zone from the A 4481, hold down the desired zone button until a message on the LCD indicates the zone is blocked out.

  • Page 27: Store & Recall

    Redback® A 4480B 8 In to 8 Out Audio Switcher Peripheral Connections 5.1.8 Store & recall groups of zones Two function keys labelled store and recall may be used to program groups of zones into a single number recall, just as your telephone might have a “quick dial”...

  • Page 28: Music Source Selection Wallplate Overview (A 4493)

    In addition, when connected to the A 4931 local zone input wallplate, it allows the use of a local signal source, such as a wired mic, radio mic or aux source such as a mobile device, which VOX mutes the selected input from the A 4480B.

  • Page 29: Dip Switch Settings

    This is the label used to describe the room or location of the zone. Examples might be Alfresco, GYM, Bar etc. This label is loaded from the A 4480B on power up and is configured through the A 4480B with a USB keyboard.

  • Page 30: Navigating The Menu

    Use this option to set the wall plate ID. This must be set to match the RJ45 port connection on the rear of the A 4480B. E.g. if the wall plate is connected to port 1, the ID for the wall plate must be set to “1”.

  • Page 31: Connections

    Redback® A 4480B 8 In to 8 Out Audio Switcher Peripheral Connections 7) Button Actions The buttons can be set to have visual, vibration and sound feedback by accessing this menu function. There are three different actions available for button presses.

  • Page 32: Features

    A 4476 PRESET SELECTOR WALL PLATE The A 4476 wallplate is used to provide local access to presets programmed into the A 4480B. The presets are displayed on the LCD and can be cycled through by pressing the program preset button. The A 4476 may be connected to either paging console input or any zone wallplate input on the A 4480B.

  • Page 33: Troubleshooting

    Redback® A 4480B 8 In to 8 Out Audio Switcher Troubleshooting 6.0 TROUBLE SHOOTING 6.1 SYMPTOMS AND REMEDIES SYMPTOMS REMEDIES Signal presence leds all come on Check internal fuses Keyboard not detected Remove & reinsert keyboard, try another keyboard Turn A 4480B off and repeat setup None of the buttons work The unit may be locked.

  • Page 34: Help

    Redback® A 4480B 8 In to 8 Out Audio Switcher Help 7.0 HELP 7.1 HELP SCREENS Pressing the help button on any screen will provide a quick guide to the selected option/screen. The following is a tran- script of each help option available on the A 4480B.

  • Page 35: Specifications

    Redback® A 4480B 8 In to 8 Out Audio Switcher Specifications 8.0 SPECIFICATIONS A 4493 Music Source Selector Wallplate A 4480B Control Unit Output connection: RJ45 8P8C Wallplate / paging console inputs: RJ45 8P8C Data transmission: Cat5e cabling max 300m...

  • Page 36: Programming Sheets

    Redback® A 4480B 8 In to 8 Out Audio Switcher Programming Sheets 9.0 PROGRAMMING SHEETS 9.1 A 4480B Programming Sheet Enter your preset configurations, zone names and source names. Note that zone and audio source names must be the same on all presets.
  • Page 37 Redback® A 4480B 8 In to 8 Out Audio Switcher Programming Sheets PRESET 3 INPUTS ZONES LOCAL PAGING PRESET 4 INPUTS ZONES LOCAL PAGING PRESET 5 DEFAULT Note that preset 5 is always default. This preset cannot be renamed. INPUTS...

  • Page 38: A 4481 Programming Sheet

    Redback® A 4480B 8 In to 8 Out Audio Switcher Programming Sheets 9.2 A 4481 Programming Sheet Each A 4481 can store 8 groups of zones using the store & recall function. This permits quick selection of multiple paging zones.
  • Page 39 Redback® A 4480B 8 In to 8 Out Audio Switcher NOTES www.altronics.com.au Redback® Proudly Made In Australia 39...

  • Page 40: Firmware Updates

    6) With the power turned OFF, insert the Micro SD card back into the A 4480B. 7) Turn the A 4480B ON. The unit will check the Micro SD card and if an update is required the A 4480B will perform the update automatically.

This manual is also suitable for:

A 4481A 4476A 4931A 4931vA 4932A 4493

Table of Contents