480L Digital Effects System Owner's Manual Lexicon 480L Owner's Manual Unpacking and Inspection After unpacking the 480L and LARC, save all packing materials in case you ever need to ship the unit. Thoroughly inspect the 480L, LARC, and packing materials for signs of damage in shipment. Report any damage to the carrier at once. Precautions The Lexicon 480L is a rugged device with extensive electronic protection. However, reasonable precautions applicable to any piece of audio equipment should be observed. ? Always use the correct AC line voltage. Refer to Chapter 1 of this manual for power requirements. ? Do not install the 480L in an unventilated rack, or directly above heat-producing equipment. Maximum ambient operating temperature is 35 oC (95 oF). ? Never attach audio power amplifier outputs or other power sources directly to any of the 480L's connectors. ? To prevent fire or shock hazard, do not expose the 480L to rain or moisture. Notices In the interest of continued product development, Lexicon reserves the right to make improvements in this manual and the product it describes at any time and without notice or obligation. Copyright ?1993 Lexicon, Inc. 3 Oak Park Bedford, MA 01730 U S A T e l :781-280-0300 F a x:781-280-0490 All Rights Reserved This publication is protected by copyright and all rights are reserved. No part of it may be reproduced or transmitted by any means or in any form, without prior consent in writing from Lexicon. Printed in the United States of America Warranty Notice The Nonvolatile Memory Cartridge supplied with this unit carries a 30-day limited warranty. ii Lexicon Part # 070-09360 Table of Contents iii Program Directory iv Introduction v 1. Installing the 480L 1-1 About the Rear Panel 1-2 About the Front Panel 1-3 Behind the Front Panel 1-4 About the LARC 1-5 How to Mount the 480L 1-6 Power Requirements 1-6 How to Interface the LARC 1-7 Audio Connections 1-9 How to Float the Analog Ground 1-9 2. Basic Operation 2-1 Glossary 2-2