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2048 Mercer Road, Lexington, Kentucky 40511-1071
Phone: 859-233-4599 • Fax: 859-233-4510
Customer Toll-Free USA & Canada: 800-322-8346
Website: http://www.audioauthority.com
Composite
Video Source
752-481
9/06
Power the 985DTO from an Audio Authority 571-001 wall
pack plugged into a source of 120 volts AC; picture and
sound output appears immediately. No adjustments are
required. You may also use a 571-013 power supply.
Multi-Amplifier Installation-More than Four
Video Displays
Mount the 985DTO modules near the video displays and
audio source. Use matched sets of high-quality 75-ohm
coaxial video cables to connect the YCbCr or YPbPr outputs
of the video source to the Bus Input jacks of the nearest
985DTO. (If composite video is desired instead of
component video, see Figure 2.) Connect the audio output
of the source to the first 985DTO’s Bus Input using high-
quality 75-ohm patch cords and/or optical cable.
Connect the Bus Output jacks of the first 985DTO to the
Bus Input jacks of the next 985DTO, and so on. The bus
is automatically terminated correctly in 75 ohms at all times.
There is no optical bus output, the Digital Audio Bus is
always coaxial.
Connect each video display to one set of 985DTO outputs
using matched sets of video patch cords. You may connect
the digital audio input of a sound system to either Digital
Audio output jack on the 985DTO, or if TV sound is desired,
connect the 985DTO left/right stereo outputs to the stereo
inputs on each TV.
Power the 985DTO system from an Audio Authority 571-
001 wall pack plugged into a source of 120 volts AC; picture
and sound output appears immediately. No adjustments are
required. You may also use a 571-013 power supply.
In Case of Difficulty
Call Audio Authority Technical Service at 800-322-8346
M - F, 8:30 AM - 5:00 PM, EST.
985DTO
C
A
B
E
985DTO 985DTO
E
A.Digital Audio (Coaxial)
B. Digital Audio (Optical)
C. Analog Stereo Audio
E. Composite Video
C
Figure 2. Connect the composite video inputs and outputs to the
Y component video jack. Use only composite video or component
video in a system–you may not use a combination of both.
E
A
OUTPUT
INPUT
BUS BUS
SDTV