Allen&Heath GL2400 - Manual (Page 5)

GL2400 User Guide 5
Introduction
Welcome to the Allen & Heath GL2400, the latest generation of the popular GL series of
dual function live sound mixing consoles. We have tried to keep this user guide brief and to
the point. Please read it 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 and resources available from
bookshops, audio equipment dealers and the Internet.
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 full product range, resource downloads, our company pedigree, contact
details, assistance with your technical queries, or simply to chat about 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.
http://www.allen-heath.com
Contents
Warranty.................................................2
Important Safety Instructions ................3
General Precautions ..............................4
Introduction to this Guide......................5
Panel Layouts ........................................6
Introducing the GL2400....................8
Installing the Console ..........................10
Connecting Power ...............................11
Audio Connections ..............................13
The Console Connectors ....................14
Mono Input Channel............................16
Stereo Input Channel...........................18
Group/Aux Masters..............................19
Aux5-6, LRM Masters...........................20
7x4 Matrix.............................................21
Monitor, Talkback and Sig Gen ..........22
Applications and Operating Tips.........23
Specifications ......................................32
System Block Diagram........................34
User Options........................................35
Cue Sheet ............................................38
Gain Structure.................................................. 23
Using the Oscillator / Noise Generator ........... 24
Mixing with Faders or Gain Controls............... 24
Using PFL / AFL ............................................... 25
The dB.............................................................. 25
Using Inserts .................................................... 25
Polarity ............................................................. 26
Mixing the PA in Mono or Stereo? .................. 26
Zero the console.............................................. 26
Turning the System On or Off ......................... 26
Sound Levels ................................................... 26
Dual Functionality ............................................ 27
Applications for the Matrix............................... 28
Create IEM Mixes with Ambience ................... 29
Using the Matrix to Create a Recording.......... 29
Recording with the GL2400............................. 29
Pre/Post Fade Aux Settings ............................ 29
Aux-Fed Subs .................................................. 30
Creating a Separate C Mix .............................. 30
Other M Output Applications........................... 30
Using the Channel Direct Outputs .................. 31
Using the Stereo Channels ............................. 31
A Note about Combining Signals ................... 31