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2 ML4000 User Guide
Introduction
This user guide presents a quick reference to the ML4000. We recommend that you read this fully
before starting. Included is information on installing, connecting and operating the console, panel
drawings, system block diagram and technical specification. For further information on the basic
principles of audio system engineering, please refer to one of the specialist publications available
from bookshops and audio equipment dealers.
Whilst we believe the information in this guide to be reliable we do not assume responsibility for
inaccuracies. We also reserve the right to make changes in the interest of further product
development.
We are able to offer further product support through our world-wide network of approved dealers
and service agents. You can also access our Web site on the Internet for information on our
product range, assistance with your technical queries or simply to chat about matters audio. To
help us provide the most efficient service please keep a record of your console serial number, and
date and place of purchase to be quoted in any communication regarding this product. The serial
number is located on the rear panel.
Check out our home site for information on the company and its pedigree, our full product range
and our design philosophy. We also have a site dedicated to the exciting ML Series consoles.
www.allen-heath.com
www.mlseries.com
ML4000 User Guide AP4314 Issue 4
Copyright © 2003 Allen & Heath Limited. All rights reserved
Manufactured in the United Kingdom by Allen & Heath Limited
Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK
http://www.allen-heath.com
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ML4000 User Guide 3
Contents
Introduction.......................................................... 2
Warranty............................................................... 4
Important Safety Instructions .............................. 5
Mains Plug Wiring Instructions ............................ 6
General Precautions ............................................ 6
ML4000 Key Features ......................................... 7
Quick Start Sheet................................................. 8
System Block Diagram ...................................... 10
Technical Specifications .................................... 12
The Range ......................................................... 13
Installation Details.............................................. 13
Connecting the Power Supply .......................... 14
Turning the Console On or Off .......................... 14
Earthing.............................................................. 15
Rear Panel Connections .................................... 16
Audio Connector Types and Wiring .................. 18
Gain Structure.................................................... 19
Control Layout and Description ........................ 20
Mono Input and EQ ........................................... 22
Using the Equaliser ........................................... 23
Channel Group / Auxiliary Sends ...................... 24
Channel Internal Link Options ........................... 25
Using the GRP/AUX Sends ............................... 25
Channel Main Mix and Fader ............................ 26
Removing the Fader .......................................... 27
Checking the Channel Signal Level .................. 27
Using LCRplus-„¢ ................................................ 28
Stereo Input and EQ .......................................... 30
Using the Dual Inputs ........................................ 31
Group / Aux Fader and Rotary Masters ............ 32
Configuring Groups and Auxes......................... 34
Main Mix Masters ............................................... 35
Using the Engineers Wedge Monitor ................ 35
Matrix ................................................................. 36
2-Track Output ................................................... 37
VCA Groups ....................................................... 38
VCA Groups Explained...................................... 38
Assigning VCA Groups ...................................... 40
Mute Groups ...................................................... 41
Assigning Mute Groups ..................................... 41
Snapshot Memories .......................................... 42
Channel Automation Safes................................ 42
Headphones / Local Monitor / PAFL ................. 43
Oscillator / Noise Generator .............................. 45
Intercom ............................................................. 46
Talkback ............................................................ 47
Meterpod ........................................................... 48
Meter Types ....................................................... 49
MIDI Overview.................................................... 50
Changing the MIDI channel number ................. 50
MIDI Channel Mutes .......................................... 51
MIDI Snapshot Messages ................................. 51
MIDI AFL Messages........................................... 51
Archiving the Console Settings ......................... 52
Operating System Technical Support ............... 53
Operating Software Version Number ................ 53
Loading New Operating Software ..................... 53
Console Reset ................................................... 53
Blank for User Notes ......................................... 54
Cue Sheet .......................................................... 55