Dell W1900 Owner's Manual page 12

Quality Cable and Connector
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Better
Best
12
Setting Up Your TV Display
When to Use
Composite carries the video signal through
a single pin. If you are using a composite
video connector you also need to connect
composite audio connectors. To locate the
connector, see page 7.
S-Video splits the video signal into two
signals, black-and-white and color. To locate
the connector, see page 7.
Component splits the video signal into three
signals, two color and one black-and-white.
To locate the connector, see page 8.