Table of Contents

Chapter 1 • Introduction

1-1

About this Manual

1-2

About the MLS 304 Series and the MLS 406 Series

1-2

Features

1-2

All models

1-2

MA models

1-2

SA models

1-2

Chapter 2 • Installation

2-1

UL/Safety Requirements

2-2

Important safety instructions

2-2

Mounting the Switcher

2-2

Tabletop use

2-2

Rack mounting

2-2

Rear Panels and Cabling

2-3

Power, input, and control connections

2-3

Power connection

2-3

A/V input connections

2-3

Control connection

2-6

Video output, local monitor, and audio output connections

2-7

Video outputs

2-9

Audio outputs

2-9

Wiring for 4 ohm or 8 ohm speakers (MA models)

2-11

Wiring for a 70 volt or 100 volt distributed speaker system (MA models)

2-12

Wiring for 4 ohm or 8 ohm speakers (SA models)

2-13

Speaker arrangement examples

2-14

Examples of speaker layouts

2-14

Application Diagrams

2-15

Chapter 3 • Operation and Setup

3-1

Front Panel Features and Operation

3-2

Front panel security lockout (executive modes)

3-3

Enabling/disabling executive mode 1; disabling executive mode 2

3-4

Resetting the switcher

3-4

Setting Up and Optimizing the Audio

3-4

Configuring Lineout and Preamp output levels

3-5

Adjusting audio input levels

3-5

Making adjustments

3-6

Video Signal Routing

3-7

Monitor Output Modes

3-7

Standard mode (mode 3)

3-7

DA (distribution amplifier) mode (mode 2)

3-7

RGB follow mode (mode 1)

3-7

PRELIMINARY

MLS 304 Series, MLS 406 Series • Table of Contents



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Extron electronic MLS 304SA, MLS 304MA, MLS 406SA, MLS 406MA manual Table of Contents