Audio international AI-DEQ-01 User manual

7300 Industry Drive, North Little Rock, AR 72117
Phone: [phone] Fax: [phone]
www.audiointl.com
Installation Manual
Model #: AI-DEQ-01
Digital Equalizer / Audio Processor
Document #540023

Audio International, Inc. AI-DEQ-01Installation
Document #540023, Rev. A, 4/2000 Page 2 of 10
Document Revision History
Rev. Level Date Description
IR 11/1997 Initial Release
A 4/2000 ECN # 4889
Reference Documents
Document # Drawing # Description
N/A 5215761 AI-DEQ-01 Outline Drawing
Service Bulletin List
Service
Bulletin # Subject Manual Revision Revision Date
Table of Illustrations
Illustration # Description Page #
1 Block Diagram – Typical Application 5
2 Reference Drawings 10
PROPRIETARY NOTICE: Despite any other copyright notice, this document and information disclosed
herein contains confidential, proprietary designs owned by Audio International, Inc. Neither this
document nor the data contained herein shall be reproduced, used or disclosed to anyone without the
written authorization of Audio International, Inc.

Audio International, Inc. AI-DEQ-01Installation
Document #540023, Rev. A, 4/2000 Page 3 of 10
Table of Contents
Section Description Page
1.0 General Information ……………………………………………. 4
1.1 Introduction ……………………………………………………….. 4
1.2 Purpose of the Equipment ………………………………………. 4
1.3 Operational Features …………………………………………….. 4
1.4 Optional Equipment ……………………………………………… 4
2.0 Application ……………………………………………………….. 5
2.1 Introduction ……………………………………………………….. 5
2.2 Block Diagram –Typical Application …………………………… 5
3.0 Installation ……………………………………………………….. 5
3.1 Prior to Installation ……………………………………………….. 5
3.2 Unpacking and Inspection ………………………………………. 6
3.3 Cautions & Warnings …………………………………………….. 6
3.4 Wiring Requirements …………………………………………….. 6
3.5 Physical Characteristics………………………………………….. 7
3.6 Electrical Characteristics…………………………………………. 8
3.7 Mating Connector Information ……………..……………………. 8
3.8 Pinout Assignment Descriptions ………………………………... 8
3.9 Post-Installation Test …………………………………………….. 8
4.0 Troubleshooting Guide………………………………………… 9
4.1 General Troubleshooting Procedures………………………….. 9
4.2 Troubleshooting Guide…………………………………………… 9
5.0 Specifications …………………………………………………… 10
6.0 Reference Drawings ……………………………………………. 10

Audio International, Inc. AI-DEQ-01Installation
Document #540023, Rev. A, 4/2000 Page 4 of 10
MODEL # AI-DEQ-01
Digital Equalizer / Audio Processor
1.0 General Information
1.1 Introduction
This manual contains information for the proper installation of the Audio
International, Inc. (AI) Digital Equalizer / Audio Processor, Model Number
AI-DEQ-01. Included are physical and electrical characteristics and
additional references needed for operation of the unit.
1.2 Purpose of the Equipment
The AI-DEQ-01 is a professional digital equalizer / audio processor that
has an image “inhancer”for quality surround effect. The equalizer
provides the passengers the ability to select up to eight (8) programmed
music styles. The unit is built to rugged aircraft standards and is easily
incorporated into new or existing cabin audio systems.
1.3 Operational Features
Listed below are key features of the AI-DEQ-01:
q Ten different band frequencies at one-octave intervals
q Solid state circuitry
q AI’s proprietary RS-485 Data Bus interface
q Up to four units can be connected to the data bus
q Lightweight, compact
q Specially designed to meet aircraft standards
1.4 Optional Equipment
Audio International, Inc. offers a comprehensive family of cabin
accessories to enhance aircraft systems. As an industry leader in aircraft
cabin systems, Audio International, Inc. can offer the perfect combination
for the aircraft cabin.
Contact your AI representative for details.

Audio International, Inc. AI-DEQ-01Installation
Document #540023, Rev. A, 4/2000 Page 5 of 10
2.0 Application
2.1 Introduction
The purpose of the audio equalizer is to compensate for the frequencies
that might be absorbed by the aircraft interior. The equalizer adjustments
are most effective when made after the aircraft interior is thoroughly
furnished and all pieces of furniture are in place.
Also, the audio equalizer tunes to the preferred music style. Through
passenger controls, the AI-DEQ-01 will select the programmed music
style.
2.2 Block Diagram –Typical Application
3.0 Installation
3.1 Prior to Installation
Prior to installation, the following items should be considered:
3.1.1 During the design and layout of the aircraft cabin, careful
consideration of the location of this module is necessary. Some of
the items to be considered include:
• Space
• Available power supply
• Environmental conditions (temperature, humidity, etc.)
• Length of cable runs
3.1.2 The AI-DEQ-01 shall be installed to conform to the standards
designated by the customer, installing agency, and existing
conditions as to the unit location and type of installation.
3.1.3 Mounting screws are required to secure the unit. Refer to Section
7.0, Reference Drawings, for mounting hole diameters and
configuration.