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ALLEN & HEATH DR128

ALLEN & HEATH DR128
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INSTALLER USER GUIDE
Publication AP4333
Digital Audio Mix Processors
DR66 & DR128

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ALLEN & HEATH DR128 Specifications

General IconGeneral
BrandALLEN & HEATH
ModelDR128
CategoryRecording Equipment
LanguageEnglish

Summary

Introduction

Important Safety Instructions

Mains Voltage Setting

Changing Fuse or Mains Voltage

Procedure for altering the fuse or selecting the correct mains voltage setting.

Mains Plug Wiring Instructions

Wire Colour Coding

Details the wire colour codes for live, neutral, and earth connections.

Welcome to the DR Series

WinDR System Manager

Main Features

System Block Diagram

Basic Principles

Audio Processing Fundamentals

Core concepts of audio handling, digital processing, and modular resource racks.

DR Control and Usage

Methods of controlling the unit, installer/operator roles, and expansion options.

Front Panel Overview

Ident Blocks, Keys, and Display

Areas for labeling, function keys, and the LCD display information.

Front Panel Controls Continued

Navigation and System Keys

ESC, SET, and UP/DOWN keys for menu navigation and parameter adjustment.

Rack Ears and Top Cover

Mounting options and access for internal configuration.

Rear Panel Overview

Power and Serial Interfaces

Mains power, serial number, SysNet, RS232, and battery input connections.

Rear Panel Connections

Audio and Remote IO Ports

Remote switch inputs/outputs and audio line/mic/line inputs and outputs.

Installation

Rack or Desk Mounting

Guidelines for physically installing the unit in racks or on desks.

Power Supply Connections

Connecting Mains and DC Power

Procedures for connecting mains AC power and DC backup power.

Earthing and Cabling

Earthing Procedures

Importance and methods of proper grounding for safety and performance.

Cable and Connector Best Practices

Recommendations for using quality cables and proper connection techniques.

Configuring the Hardware

Default Configuration and WinDR Setup

Starting with default settings and using WinDR for advanced configuration.

Hardware Configuration and Calibration

Calibration Adjustments and Top Cover Access

Overview of internal adjustments and procedure for accessing components.

Signal Level Calibration and Labelling

Function Key Labelling

Methods for identifying and labeling front panel function keys.

Audio Signal Level Management

Understanding and setting input/output levels using meters and headroom.

Input Connections

XLR MicLine Input Details

Connecting microphones and line sources via XLR, including pad and phantom power.

MicLine Pad and Phantom Power Selection

How to configure internal jumpers for mic/line pads and phantom power.

Input Gain Calibration

XLR Input Gain Calibration

Adjusting input gain for optimal signal levels on XLR inputs.

RCA Phono Input Setup

Connecting and calibrating RCA line inputs, including dual summing.

Output Connections and Calibration

XLR Output Configuration

Connecting balanced and unbalanced line level outputs via XLR.

Output Level Calibration

Adjusting output levels for matching destination equipment.

Remote Control

Remote Switch Inputs and Wiring

Connecting and assigning functions to remote switches via D-type connectors.

Remote Control Examples and Outputs

Remote Switch Examples

Practical examples of using remote switches for volume control.

Remote Outputs and Wiring

Using opto-isolated outputs for remote indication or triggering and wiring them.

Expanding Processing Capabilities

DSPx Expander Option Installation

How to install the DSPx card for additional processing engines.

DSPd Delay Option Installation

How to install the DSPd card for output signal delay.

Configuring Software

DR Unit Operating Software

Details on the operating code, version numbers, and boot code.

Software Compatibility Issues

Information on compatibility between DR software and WinDR versions.

WinDR System Manager

Installing WinDR System Manager

Steps to install the WinDR software on a PC.

Starting WinDR Application

How to launch and connect WinDR to the DR unit.

Using WinDR System Manager

Configuring Control Methods

Front Panel and Remote Key Assignment

Assigning functions to front panel and remote keys.

Networked Computer Control

Using the DR Gateway for network-based control.

SysNet Protocol Control

Using industry-standard remote controllers via SysNet.

Operating the DR Unit

Front Panel Display and Boot Messages

Understanding the LCD display during boot-up and normal operation.

Function Key Operations

Function LED Indicators

Setup Menu Navigation

Using Setup Keys

How to use SETUP, ESC, and SET keys for menu parameter adjustments.

Menu Map Overview

Visual guide to the setup menu structure and available items.

Appendix A: Earlier Version 1 Software

Main Differences between Version 1 and Version 2

Key differences between operating software versions 1 and 2.

Version 1 Menu Map Reference

Version 1 Password Reset and Information

Resetting Version 1 Password

Procedure to reset the front panel setup menu password.

Version 1.83 Information Resources

Where to find additional information and publications for Version 1.

Appendix B: Technical Specification

Appendix C: DR66 Architects Specification

Appendix D: DR128 Architects Specification

Installation Log Sheet

DR128 Front Panel Label Template

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