ALLEN & HEATH iDR-4 User's Guide download pdf (Page 6)

6 IDR-4 User Guide

Welcome to the iDR-4

The Allen & Heath iDR system is a set of components whose hardware, control and signal processing

flexibility make it well suited to many installed, live sound and special project applications. Two main

units are available, the 2U high 8 in 8 out iDR-8, and the 1U high 6 in 6 out iDR-4. This user guide

describes the iDR-4.

The 1U rack or desk mount iDR-4 is the main unit in the iDR system having all the DSP (digital signal

processing) power needed for 16 input and 16 output channels. The iDR-4 has a total of 6 balanced

audio inputs including 2 XLR analogue mic/line and 4 TRS jack line inputs. It has 6 balanced audio

outputs including 4 XLR analogue land 2 TRS jack line outputs. You can add a further 8 inputs and/or

8 outputs bringing it up to a maximum 14x14 matrix by plugging in the iDR-in and/or iDR-out audio

expanders. The signal can be routed at three key points: the input source patch bay, central

crosspoint matrix, and output source patch bay.

Although the iDR does not work with networked audio, the expanders can be located up to 250 metres

away so providing remote analogue audio inputs and outputs connected using CAT5 cables. You can

also daisy chain multiple iDR-4 and iDR-8 units in a distributed system. The units are linked using an 8

channel wide bus which plugs into the digital expander ports. Maximum matrix at any unit is 16x16

which includes the interconnecting bus. Several iDR units can be linked in this way, but you can have

only one iDR-in and one iDR-out expander per system. This is described later.

A stereo audio monitor is included. This can be optionally configured to use line level input and output

TRS jacks 5 and 6. The monitor can ‘ripple through’ chained iDR units. By itself, the iDR-4 can

provide a 4 in 4 out system with ripple through monitor, a 6 in 4 out system with monitor output, or a 6

in 6 out system without monitor. A built-in signal/noise generator provides a further source which can

be routed to the input channels for test and line up purposes.

There are many operator control possibilities. You can configure the 8 front panel keys and 16 3-

colour LEDs, and use the DR-Link port to add up to 3 iDR-switch units for up to 72 additional switch

closure and 48 open-collector logic outputs. In addition you can choose two of the following: the Sys-

Net serial port to interface with third party remote controllers, RS232 for modem communication, and

the PL-Anet serial port for running a network of Allen & Heath PL wall plates and controllers.

The iDR-4 features networked control. It is configured using the iDR System Manager software via an

Ethernet port either connected directly to the installer’s PC, or over a TCP/IP network. The PC control

can be password protected for security. Once configured it runs stand alone using its built-in iDR Unit

software with stored settings. iDR units can also be operated from networked PC workstations running

PL Client software configured as ‘virtual’ wall plates by the installer using PL Designer software. An

RS232 modem port lets the installer remotely interrogate units. The operating code can be updated

using RS232 or via the network.

The iDR system offers tremendous flexibility. The system set up is stored in patches. Up to 99 patches

can be programmed. You can decide which parameters are affected by each. To make best use of

this it is important that you plan your installation carefully before you start. You can try out, prepare

and archive different configurations offline before plugging in. Virtual panels and controllers are

displayed so you can simulate how it will work for real. You can program the unit name, clock and IP

address, and check diagnostic information and audio signal presence using the front panel menus

accessed by removing the face plate. You can attach a custom label within a recess in the face plate.

For further information on the configuration of the unit please refer to the Help files which come with the

software.

AUDIO IN PUT EXPA NDER

powerlock link

iDR-in

lock link power

AUDIO OUTPUT EXPANDER

iDR-out

link power

24 IN 16 OUT SWITCH CONTROLLER

iDR-swi tch

iDR-4

AUDIO MIX PROCESSOR

iDR-4

Infra-red

Switch closures

Open-collector logic

Relays

Lamps

'Virtual' wall plates

System configuration

PL Client software

Fader Controllers

Wall Plates

Terminate

iDR-switch

iDR-in

iDR-out

PL-Anet (RS485)

Sys-Net

DR-Link

REMOTE CONTROLLERS

MODEM

RS232

NETWORK

AUDIO EXPANDERS

AUDIO MONITOR

iDR System Manager software

PL Designer software

1 2 3 4 5 6 7 8 9 10 11 ... 47 48

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ALLEN & HEATH iDR-4 User's Guide Page 6

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