Clear One AP400 User manual

AP400 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.

AP400 Installation and

Operation Manual

ClearOne Part No. 800-150-001

July 2002 (Rev. 5.0)

iii

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

AP400 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

G-Link bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

CHAPTER 2: Installation . . . . . . . . . . . . . . . . . . . . . . . . . .9

Equipment Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Telephone line requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Auxiliary equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Equipment placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Environmental requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Hardware Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Connecting the unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Networking Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

G-Link connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Device IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Mixer mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

LCD Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Menu trees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

System parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

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

Input parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Output parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Routing parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Meter parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

CHAPTER 3: AP-Ware Software . . . . . . . . . . . . . . . . . . . .31

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

Installing AP-Ware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

To install AP-Ware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

CHAPTER 4: Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Controlling the volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

Telco Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

To make and disconnect a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Other telco options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Custom control through DB-25 port . . . . . . . . . . . . . . . . . . . . . . . .35

Touch panel control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

APPENDICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Appendix A: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Appendix B: Warranty and Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Appendix C: Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Appendix D: Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Appendix E: Serial Port Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Appendix F: Worksheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

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

Congratulations on purchasing the Audio Perfect

400, an advanced eight-by-eight

digital matrix mixer with Gentner

Distributed Echo Cancellation

, audio processing,

and a single-line telephone hybrid. 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 AP400’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 AP400 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 AP400 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 AP400 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 to reduce echo and

noise. This improves audio quality and decreases the possibility of feedback.

The AP400 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.

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 AP400/AP800 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

• 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) ensures crystal-clear audio with

the deepest, most reliable hybrid null

• Simultaneous direct connection to several video codecs

• 8 x 8 matrix mixer

• Internal submixing bus for mixing and level control in sound reinforcement

systems

• Eight line output channels expandable with additional AP400 units; any of

the eight input channels can be mixed to any of the eight outputs on a given

unit; all output levels are adjustable and can be instantly muted

• Four-channel automatic microphone mixer with four line inputs (expandable)

• All automatic microphone functions and operating modes operate across

expanded units

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

• Expandable using a high-speed digital network bus; a total of eight AP400s

can be interconnected

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

single RS-232 connection

• Program, operate and perform diagnostics from the front panel, a

connected PC (direct or via modem) or other type of serial remote-control

device

• Six programmable presets for instant configuration changes

• Lockout front-panel access for security

• Built-in telephone interface with touch-tone dialing, echo cancellation,

continual phone line adaptation, receive reduction, and analog phone line

compatibility

• 5W speaker amp output

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 AP400 online by visiting ClearOne Technical Support at

www.clearone.com.

When your product is properly registered, ClearOne 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 AP400 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 AudioProducts

AP400 Audio Conferencing System

GentnerCorporation ~ 1825 Research Way,Salt Lake City, UT 84119 ~ tel 1-800-945-7730 ~ fax 1-800-933-5107

Installation& Operation Manual

Figure 1.1. Equipment

Controls and Connections

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.

Front panel

A. LCD. The two-line, 16-character-per-line LCD display is used for AP400

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

panel buttons [B]. Functions that can be accessed via the front-panel LCD

include setup, programming, troubleshooting, and numeric audio level and

gain readouts.

B. Enter/▲▼/ESC. These buttons are used to navigate the AP400’s menu

system.

ABC E F G

Figure 1.2. Front panel controls

AP-Ware software provides

complete configuration

capabilities for the AP400.

Please 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

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

input or output on the AP400, as well as displaying echo return loss (ERL)

and echo return loss enhancement (ERLE) for mic channels 1–4.

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

AP400’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.

G. On. The On button connects and adapts the AP400 to the telephone line.

Pressing and holding the On button for more than two seconds while the

AP400 is active readapts the unit.

H. Off. The Off button disconnects the AP400 from the telephone line and

mutes all audio to and from the telephone line.

Rear panel

A. Power. This power module accommodates power ranging from

100–240VAC, 50/60Hz, 30W. No switching is required.

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

include video codecs, AP10 Telephone Interfaces, VCRs, or CD players, or

other audio sources. These 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, 1–4. 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.

The front panel buttons are

also used to enter the front

panel passcode. See Lock

Panel (page 17) for more details.

The front panel passcode can also

be created in AP-Ware. Refer to the

AP-Ware help file for more

information.

✍

For electrical

specifications, see

Specifications, page 37.

✍

Figure 1.3. AP400 rear panel connectors

Introduction ~ G-Link Networking

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

D. Mics 1–4. Up to four 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 AP400’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 AP400

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

communications protocol, see Appendix E, page 43.

G. Control/Status. This female DB-25 connector is used to interface parallel

control to the AP400. Most of the pins on this connector can be

programmed to perform any function via a contact closure to ground. For

instructions on how to program the control and status pins, see page 61 or

the AP-Ware help file. These pins go low when active. The six presets can be

activated at any time via these connectors. For pinouts, including a

description of the default settings, see Appendix C, page 42.

H. Speaker. One five watt, 4-16Ωspeaker can be directly connected to the

AP400, eliminating the need for a power amplifier.

I. Telco Line. Connects to your telephone line source.

Telco Set. Connects to your telephone handset.

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 AP400 with other Audio

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

between connected ClearOne units is 20 feet. ClearOne Communications recommends

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

G-Link bus

This digital bus is on every Audio Perfect product. It is a mix-minus bus which

allows audio to be routed to any destination on the G-Link network. The AP400 has

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

G-Link Network

Do not attempt to create a

system using more than

64 microphones. You can

combine up to eight AP800s or

AP400s.

✍

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