Audio Authority Car Audio System System Module, Expander Modules, System Specific Components

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940EZ High-Level Selector

Controls two channel high-level signals routed to or from four high-level products. Controls two channels of four products (e.g., high-level sources). Use Model 932 for applications where Au- toDampingis desired.

942 2-Channel Amplifier Selector

Switches the low-level inputs and high-level outputs of four 2-channel amplifiers.

958 EQ or Crossover Selector

Controls low-level inputs and six channels of low-level outputs from four crossovers or equalizers.

System Module

980EZ

Provides the central point of control for DC power, SilenTouch™, 902/903 Control Panel, TheftAlert™ output, and so forth. The 980 is essential for any Access™ System and is typically installed in the low-level signal path just prior to any amplifier inputs.

Expander Modules

920X and Low-Level Expansion Module

The 920X adds a pair of low-level channels to any switching module.

940X High-Level Expander Module

Adds a pair of high-level channels to any switching module.

System Specific Components

970 RS232 Serial Interface/PC Interface

Connects the Access system to a PC for computer control (Touchscreen, etc.).

971 Infrared Control Module

Customized to send IR commands to infrared audio and video components.

977 Digital Audio Adapters

977R converts optical digital audio signals to coax, and 977T converts coax digital audio signals to optical.

975 FM Distribution Amplifier

12-volt powered FM antenna booster drives all the radio antenna inputs and has direct input for one or more RF output CD changers. Use with distribution components in Kit 16 or Kit 17. Kit 16 pro- vides 4-way taps and cables for FM distribution to sixteen head units. Kit 17 contains one 4-way tap and cables for four head units.

9A80 Crossover

A simple crossover which can be hidden inside the fixture, allowing two-channel low-level signal from the headunit to be split for the demonstration of front speakers, rear speakers, and subwoofers.

981 DC Eliminator

Small, in-line, low-level device that eliminates DC that can be present in the low-level outputs of some head units and crossovers found on the market. One required per offending product.

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Contents Demonstration Network Car Audio Page Contents Introduction What is the Access System? Definition of TermsProduct Select Buses HOW the Access System Works Selecting Products in the Access System 922Control Panels Full-Featured Control Panel Access System ComponentsAccess User Interfaces Features includeSwitching Modules Expander Modules System ModuleSystem Specific Components DC Distribution Modules Head Units Choosing the Correct Switching ModulesProduct Groups 910Amplifier Product Groups Amp SharingAmpifier Bypass SpeakersPreparation Begin InstallationAddress and Other Settings Number the Product GroupsDetermine the Module ID settings How to Use These TablesSources, EQs and Amplifiers Speakers Set the Programming Switches Set the Address SwitchesProgramming Switch Settings S M B T D SilenTouch and Model Set the Left-Right SwitchTimeout Minutes and Model Speaker LimitDetermine Other Module Locations Installing the System HardwareDesignate the Switching Module Locations Mount the ModulesBlue Install Speaker Bus Low-Level BusesEQ and Amplifier Bypass Low-Level Bus Illustration.Low-LevelInstall the DC Power Distribution Cables Choosing the Power Mode for Your Display Power Supply VentilationSetting the Parallel Speaker Limits Install the RF Antenna Distribution System Check Your Work to This PointObserve correct polarity for all bus connections Installing a Control Panel Rear view of the 902 Control PanelControl Panel Expanders Control Panel Cutout SizesInstalling Product Select Buttons and Product Indicators Be careful to maintain PSB Cable polarity at both endsRemote Power Switch System Module AccessoriesTheftAlert Remote System Reset Testing Network Function902 Page Install the First Products Display Component HookupPage Test Your Initial Product Installation Troubleshooting Noise Problems Connect the BatteryInstall the Remaining Products Test Product SelectionB System Comparison Selecting Additional Speaker Pairs with PSBsDeselecting Products with PSBs TheftAlert ProtectionSystem, DC and Signal Bus Wiring Diagrams Product to Switch Module Wiring DiagramsAddressing Low-Level Bus Example SystemSystem Bus Speaker Bus DC Bus Amplifier Bypass System Bus AddressingAmp Bypass EQ Bypass AMP Shared System 942 916X 932 Example of split Model 910D Setup Ch. High-Level 2-Ch Low-Level Head Unit915X DC Channel Signal Processor Or EqualizerPower Expander EQ Bypass NoteChannel Setup for 980EZ Model 980 System Module / 2- and 6-Channel Hookup916X Amplifiers / 2-Channel HookupChannel Amplifier Amp Bypass NoteAmplifiers / 4-Channel Hookup BAT+Shared Amplifier Hookup 942Left/Right and Mono Speaker Hookup Left Speaker RightWarranty Service Procedures Access WarrantyLimited Warranty Out of Warranty ServiceIndex