Table of Contents

More comprehensive tables of contents, with page numbers, are at the start of each section. A complete index follows section 11.

Section 1: Quick Results

Part I: Instant Gratification, or ÒHow to hear stereo music on a phone lineÓ

Gather information about your ISDN line Set up the hardware

Configure ZephyrExpress for your ISDN line. Call yourself (testing your unit and the line) Tune into one of our test lines

Part II: Fast Answers to Frequently- Asked Questions

Section 2: What YouÕve Got

Here...

THE BEST WAY TO HEAR FROM THEREª

Introducing ZephyrExpress

Features and Benefits

Introducing ISDN

ISDN Configurations

Introducing Audio Coding

About coding delays

About Layer 2 and Layer 3 Coding Compatibility and proprietary coding

About Telos Systems

Making ZephyrExpress work for you

Section 3: ZephyrExpress Hardware

About our hardware...

Front Panel

The Mixer Section

Display section

Control section

Rear Panel

Data connection section

Audio i/o section

Power connection

Section 4: Audio Operations

Aconsole at your fingertips...

The Send Mixer The Monitor Mixers Receive Meters LOCK lights

Analog (G.711) phone calls Dealing with Delay

Section 5: Audio Coding

OVERVIEW

Introduction to Audio Coding

Basic Principles of Perceptual Coding

ISO/MPEG LAYER 3

Layer 3 Features

ISO/MPEG LAYER 2

G.722

CASCADING

CHOOSING THE CODING METHOD FOR YOUR APPLICATION

Compatibility

Section 6: Menu Reference

The Menu System

Menu Overview

Using Setups

Applying a Setup

Creating or Changing a Setup Master Setups

Applying a Master Setup

Creating or Changing a Master Setup Autodial Setups

Menu Details

Codec menu

Audio menu

ISDN menu

System menu

Safe mode menu

Introduction vii

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Telos ZephyrExpress user manual Table of Contents