Installation and calibration – Lexicon Digital Controller DC-1 User Manual

Page 22

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Lexicon

16

Installation and
Calibration

The DC-1 has five composite video inputs, three of which also support S-
Video. Connection to an S-Video input will override the composite signal
connected via the RCA-type connector. Note that an S-Video input will be
output on both the composite and S-Video outputs. The reverse is not true
— composite input signals will not be output as S-Video.

You can assign any video source to any (or all) of the eight DC-1 inputs via
the Input Configuration submenu of the Setup menu. This can be very
useful in systems which use a VCR as the tuner for TV viewing, as the video
feed from the VCR can be assigned to both the VCR and TV inputs. The
VCR's audio signals can be fed to both inputs with Y-connectors. (Do not use
Y-connectors on video signals.) This allows the audio and video signals
from the VCR to be used for both TV and VCR viewing.

You can also assign any video source to audio-only sources such as an AM/
FM tuner, to enjoy music from another source while viewing a video source.

It is important to remember that the impedance characteristics of composite
video and digital audio are different from analog audio. You should only
use cables specifically designed for video and digital audio. Consult your
dealer for recommendations.

The digital inputs can be set up to be selected with any (or all) of the eight
inputs via the Setup menu. Two coaxial (RCA) and two optical (TOSLINK™)
inputs are provided. Using the digital inputs will always provide better
performance.

The Base and THX versions of the DC-1 will accept digital signals sampled
at 44.1kHz. The Dolby Digital version of the DC-1 accepts sample rates of
either 44.1 or 48kHz.

Video Connections

Digital Audio Connections

Whenever possible, connect both analog and digital outputs of digital
sources. This enables use of a digital input for the main zone, and the
corresponding analog input for the Record/Zone 2 outputs.

Note the use of Y-connectors to feed the DC-1 Record output to both the
VCR and the tape deck. In this example, Y-connectors are also used to direct
the VCR audio output to both the TV and VCR inputs on the DC-1, so that
the VCR can also be used as a TV tuner.

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