Allen&Heath GL4800 USER GUIDE - Manual (Page 5)

GL4800 User Guide 5
Introduction
Welcome to the Allen & Heath GL4800, the latest generation of the popular GL series of
multi-function audio 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, technical specification
and cue sheets. 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, our company pedigree, assistance with your
technical queries, our contact details 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.
www.allen-heath.com
Contents
Warranty ................................................ 2
General Precautions.............................. 4
Introduction to this Guide...................... 5
Front Panel Layout ................................ 6
Range and Options ............................... 7
Introducing the
GL4800
....................... 8
Dimensions and Weights .................... 10
Specifications ...................................... 11
System Block Diagram........................ 12
Connectors .......................................... 14
Earthing ............................................... 17
Connecting Power............................... 18
Matching the Signal Levels ................. 19
Mono Input Channel............................ 20
Stereo Input Channel .......................... 22
Stereo Channel Applications............... 23
Group Section ..................................... 24
LR Section............................................26
Mono and Master Section ...................27
The Mute System.................................30
Mute Groups........................................32
Mute Safes ...........................................35
Mute Snapshots...................................36
The Snapshot Display .........................37
Solo-In-Place .......................................40
Solo Safes............................................41
MIDI......................................................42
Technical Support ...............................46
Front-of-House Application .................48
On-Stage Monitor Application.............52
Multi-Speaker System Application ......55
Internal Link Options ...........................56
Cue Sheets ..........................................57