Clear One AP800 User manual

AP800 Audio Conferencing System

Installation & Operation Manual

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

rights reserved. No part of this document may

be reproduced in any form or by any means

without written permission from ClearOne

Communications, Inc. Printed in the United

States of America. ClearOne Communications,

Inc. reserves specific privileges. Information in

this document is subject to change without

notice.

AP800 Installation and

Operation Manual

ClearOne Part No. 800-150-001

July 2002 (Rev. 3.0)

iii

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

AP800 Installation and Operation Manual

Table of Contents

CHAPTER 1: Introduction 1

Product Overview 1

Features 2

Professional Services Group 3

Technical Support 3

Sales and Customer Service 3

ClearOne Communications EuMEA GmbH 3

Product registration 3

Product returns 3

Unpacking 4

Controls and Connections 4

Front panel 4

Rear panel 5

G-Link Network 6

CHAPTER 2: Installation 7

Equipment Requirements 7

Power requirements 7

Auxiliary equipment 7

Equipment placement 7

Environmental requirements 7

Hardware Setup 8

Connecting the unit 8

Networking Units 9

G-Link connections 9

Device IDs 10

Mixer Mode 11

LCD Programming 13

Menu Trees 13

System parameters 15

Input Parameters 21

Output Parameters 24

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

Routing Parameters 24

Meter Parameters 27

CHAPTER 3: AP-Ware Software 29

Description 29

Installing AP-Ware 30

To install AP-Ware 30

CHAPTER 4: Operation 31

Control 31

Remote Control 31

Volume Control 31

Muting 32

APPENDICES 33

Appendix A: Specifications 33

Appendix B: Warranty 34

Appendix C: Compliance 35

Appendix D: Connector Pinouts 36

Appendix E: Accessories 38

Appendix F: Serial Commands 39

Appendix G: Worksheets 58

Glossary 61

Index 64

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

Congratulations on purchasing the Audio Perfect

800, an advanced twelve-by-

twelve digital matrix mixer with Gentner

Distributed Echo Cancellation

and audio

processing. It uses six user-definable presets to quickly adapt to a variety of

teleconferencing and sound reinforcement applications such as distance learning,

teletraining, telemedicine, courtrooms, conference rooms, boardrooms, hotels, and

houses of worship.

All of the AP800’s functions are programmed in AP-Ware™, an all-new

configuration software. The result is quicker setup, with fewer hassles and more

control.

In its most simple form, the AP800 is a mic mixing matrix. As such, all mic

mixing parameters can be customized and any input or combination of inputs can

be routed to any output or combination of outputs. This allows great flexibility in

accommodating a variety of applications and requirements.

The AP800 features numerous functions which greatly enhance its

performance and flexibility. For example, it can gate mics on and off when the

sound within a mic’s acceptance pattern reaches a certain level.

The AP800 monitors each mic independently, observing ambient levels and

making decisions based on each mic’s environment. Thus, the input for a mic

located in a highly reverberant part of a conference room is gated, mixed, and

processed to compensate for the changes in that area and reduce echo and noise.

This improves audio quality and decreases the possibility of feedback.

The AP800 facilitates local and remote PC setup and diagnostics, logic

outputs, and automatic gated mic operation. Mic inputs can be individually

customized to gate on and off as you want, while automatic gain control keeps the

overall sound level consistent. Eight of the 12 channels can be configured as an

automatic microphone mixer.

Adjustments in routing, level, and other functions can be made through

presets activated through a rear-panel closure or an RS-232 serial interface.

Network-based interconnectivity allows up to eight AP800/AP400 units to be

connected and controlled as a single unit.

CHAPTER 1: Introduction

Product Overview

Introduction ~ Product Overview

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

Features

• Gentner®Distributed Echo Cancellation®technology; each microphone has

its own echo canceller for a total of eight echo cancellers per unit

• Easy-to-use AP-Ware software for quick configuration of all functions

• 100 percent digital signal processing (DSP)

• Simultaneous direct connection to several video codecs and

telephone lines (using AP10 Telephone Interfaces)

• 12x12 matrix mixer

• Two internal submixing buses for mixing and level control in sound

reinforcement systems

• All automatic microphone functions and operating modes operate across

expanded units

• Input gain, audio processing, equalization, muting, and automatic mixer

programmable per input channel

• Expandable using a high-speed digital network bus; a total of eight AP800s

and 16 AP10s can be interconnected for up to 64 mic inputs and 96 line

outputs

• All G-Linked devices can be accessed, controlled, and programmed via a

single RS-232 connection

• Six programmable presets for instant configuration changes

• Lockout front-panel access for security

Introduction ~ Professional Services Group

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

If you need any additional information on how to install, set up, or operate your

system, please contact us at one of the locations listed below. We welcome and

encourage your comments so we can continue to improve our products and serve

your needs.

ClearOne Communications ~ 1825 Research Way ~ Salt Lake City, UT 84119

Technical Support

Telephone: 1.800.283.5936 (USA) or 1.801.974.3760

Fax: 1.801.977.0087

E-mail: [email protected]

Web site: www.clearone.com

Sales and Customer Service

Telephone: 1.800.945.7730 (USA) or 1.801.975.7200

Fax: 1.800.933.5107 (USA) or 1.801.977.0087

E-mail: [email protected]

ClearOne Communications EuMEA GmbH

Leonhardstr. 16-18, D-90443 Nuremberg, Germany

Telephone: +49 911 955159-0

Fax: +49 911 955159-10

E-mail: [email protected]

Product registration

Please register your AP800 online by visiting ClearOne Technical Support at

www.clearone.com.

When your product is properly registered, ClearOne

Communications is better able to serve you should you require technical assistance.

Registration information is also used to notify you of upgrades and new product

information.

Product returns

All product returns require a return authorization (RA) number. Please contact

ClearOne Technical Support before attempting to return your AP800 unit.

Professional Services Group

Introduction ~ Unpacking

Ensure that the equipment shown below was received with your shipment.

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

Unpacking

www.gentner.com

Audio Products

AP800 Audio Conferencing System

Gentner Corporation ~ 1825 ResearchWay, Salt Lake City, UT 84119 ~ tel 1-800-945-7730 ~ fax 1-800-933-5107

Installation & Operation Manual

AP800 Installation

and Operation Manual

Optional

Figure 1.1. Equipment

ClearOne is not responsible

for product damage

incurred during shipment.

You must make claims directly with

the carrier. Inspect your shipment

carefully for obvious signs of

damage. If the shipment appears to

be damaged, retain the original

boxes and packing material for

inspection by the carrier. Contact

your carrier immediately.

Controls and Connections

ABCE

Figure 1.2. Front panel controls Front panel

A. LCD. The two-line, 16-character-per-line LCD display is used for AP800

setup and level adjustments in conjunction with the four associated front-

panel buttons.

B. Enter/▲▼/ESC. These buttons are used to navigate the AP800’s menu

system.

C. LED Meter. The LED bar meter is displays the audio level of any selected

input or output on the AP800, as well as display echo return loss (ERL) and

echo return loss enhancement (ERLE) for mic channels 1–8.

The front panel buttons

are also used to enter the

front panel passcode. See

Lock Panel (page 15) for more

details. The front panel passcode

can also be established in AP-Ware.

Refer to the AP-Ware help file for

more information.

✍

Introduction ~ Controls and Connections

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

D. Meter. The Meter button takes you directly to the Meter branch of the

AP800’s LCD programming tree.

E. System, Inputs, Outputs, Routing. These buttons provide direct access to

the corresponding sections in the LCD menu.

F. Mic On LED. These LEDs indicate microphone gate status.

Rear panel

A. Power. This power module accommodates power ranging from

100–240VAC, 50/60Hz. No switching is required.

B. Inputs A–D. These connectors are used with line-level inputs. Line level

inputs can be mixed in any combination with the gated inputs to any of the

eight outputs. Nominal input is 0dBu. Mix level can be easily set for each

non-gated input.

C. Outputs A–D, 1–8. These connectors allows eight line-level outputs to be

connected to the unit. Outputs can include video codecs, AP800s, AP10

Telephone Interfaces, and VCRs. These outputs can be configured to contain

any combination of gated and non-gated inputs. The nominal output level is

0dBm.

D. Mics 1–8. Up to eight mic/line-level inputs (selectable) can be connected

using the three-terminal Phoenix connector(s).

E. G-Link In, Out. These RJ-45 connectors are part of the AP800’s high-speed

digital bus network, which passes audio between units.

F. RS-232. This female DB-9 serial port is for connection between the AP800

and a PC, modem, or other custom remote control. For serial

communications protocol, see Appendix F, page 39.

Control/Status A and B.

These two DB-25 connectors are used to interface

parallel control to the AP800. Most of the pins on these connectors can be

programmed to perform any function via a closure to ground. For pinouts,

including a description of the default settings, see Appendix D on page 36.

D E F G

Figure 1.3. Rear panel connections

For electrical

specifications, see

Specifications on page 33.

✍

Introduction ~ G-Link Network

Technical Services Group ~ 1-800-283-5936 (USA) ~ 1-801-974-3760

G-Link network architecture allows up to eight AP800s/AP400s and up to 16 AP10

Telephone Interfaces to be controlled as if all were part of a single unit.

Digital technology can provide a distinct advantage in designing and

controlling teleconferencing systems. The ability to network with additional AP

units (for a maximum of 64 mic inputs) makes the Audio Perfect systems ideal for

room combining applications or larger applications which require more

microphone inputs.

The G-Link gives you the ability to interconnect the AP800 with other Audio

Perfect units (additional AP400s, AP10s, and AP800s). The maximum distance

between connected ClearOne units is 20 feet/6.1 meters. ClearOne Communications

recommends that category five twisted-pair (10Base) cable be used. Control of

connected AP800s and AP10s is also possible via a single COM port.

G-Link bus

This digital mix-minus bus appears on every Audio Perfect product. It allows audio

to be routed to any destination on the G-Link network. The AP800 has four digital

buses: X-bus, Y-bus, Z-bus, and G-Link EC Reference bus.

•X-bus. This mix-minus bus is defined as the master microphone mix, and it

supports NOM (see page 24). All gated microphones are default routed to

this bus.

•Y-bus. This mix-minus bus is defined as the line input master mix. All line-

level audio such as from video codecs, AP400s, AP10 Telephone Interfaces,

VCRs, etc. are default routed to this bus.

•Z-bus. This mix-minus bus is a user-defined auxiliary mix bus.

•G-Link EC Reference bus. This bus provides a system-wide echo canceller

reference signal. It allows for the reference signal to be passed to additional

G-Linked mic channels and their associated echo cancellers. Typically, one

output on one unit will be passed along the G-Link EC Reference bus.

G-Link Network

A G-Link network will

allow interconnection of

up to eight

AP800s/AP400s and 16 AP10s.

✍

When multiple AP800s

are used in a system, the

gating parameters on all

units must be set the same.

✍

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