How to Use the Model 985U Universal Distribution Amplifier
The Model 985U adds to the capabilities of Audio Authority's
Digital audio distribution complements the 985DTV's video capability by providing lossless transmission of digital audio signals (Dolby DigitalTM, or DTSTM) from the source to four audio control centers or television sound inputs, or left/right stereo audio.
Single Amplifier Installation – Four or Fewer Video Displays
Mount the 985U to a surface located near the video displays and audio equipment. Use matched sets of
Connect each video display to one set of 985U outputs using matched sets of video patch cords. Connect the digital audio input of the sound system to a Digital Audio output jack on the 985U.
Power the 985U from the provided wall pack plugged into a source of 120 volts AC; picture and sound output appears immediately. No adjustments are required. In the event of hum bars or other picture disturbance, adjust the GROUND switch to minimize the symptom. Do not connect televisions to the Bus Ouput, or leave uncommitted cables connected to the Bus Output.
Mount the 985U modules near the video displays and audio source. Use matched sets of
Connect the Bus Output jacks of the first 985U to the Bus Input jacks of the next 985U, and so on. The bus is automatically terminated correctly in 75 ohms at all times. Make sure the Ground switch is turned OFF.
Connect each video display to one set of 985U outputs using matched sets of video patch cords. Connect the digital audio input of the sound system to a Digital Audio output jack on the 985U, or if TV sound is desired, connect the 985U left/right stereo outputs to the stereo inputs on each TV. Do not connect televisions to the Bus Ouput, or leave uncommitted cables connected to the Bus Output.
Power the 985U from the provided wall pack plugged into a source of 120 volts AC; picture and sound output appears immediately. No adjustments are required. In the event of hum bars or other picture disturbance, adjust the Ground switches to minimize the symptom.
In Case of Difficulty
Call Audio Authority Technical Service at
Digital | Left/Right | 120V AC |
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Power |
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Audio | Audio | Digital Audio | Digital Receiver | ||
Supply | |||||
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| Bus Cable | and Speakers | |
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Component
Video Source
985U | 985U | 985U Digital Audio |
HDTV
Composite Video
Component Video | Component Video Bus Cables |
2048 Mercer Road, Lexington, Kentucky
Caution!
Use only the power supply
provided with the 985U. Other supplies
can cause damage or reduce
performance.