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KRAMER ELECTRONICS, LTD.
4
5. KRAMER VS-4X4YC MATRIX
This section shows you all of the controls and connections of your switcher. Understanding all of the
controls and connections helps you realize its full power. The switcher described in this manual is
equipped with an RS-232 connector (for PC control) and the connector wiring is described later on.
The Kramer VS-4x4YC is a high performance 4x4 vertical interval matrix switcher for composite
and/or s-Video and stereo audio signals. It is a true matrix, allowing the user to route any input to any
or all outputs simultaneously. Since the VS-4x4YC switches during the vertical interval, transitions
are glitch-free when sources share a common reference sync.
The VS-4x4YC provides composite video and
s-Video connectors allowing it to be used for either
format. Mixing formats is possible but composite video sources need to be routed to composite video
outputs and, likewise, s-Video sources must be routed to s-Video outputs. It is very important to note
that the VS-4x4YC does not perform any signal format conversion
.
The VS-4x4YC can be controlled by front panel buttons or RS-232 serial commands. For applications
requiring remote control via a Windows-based personal computer, K-Switch software is provided at
no additional cost. The machine is easy to use, dependable, rugged, and fits in one vertical space of a
standard 19” rack.
6. SOLUTIONS PROVIDED WITH THE VS-4X4YC
Video recording and playback frequently involve the use of several devices, such as: video cassette
recorders, video disc players, cameras, video monitors, video processors, Special Effects Generators,
live or satellite feeds or any combination of the above.
Hooking up a complex setup of several devices can result in a maze of wires, which is difficult to
manage, cumbersome and possibly dangerous.
The VS-4x4YC Vertical Interval Switcher offers an innovative solution to many of the problems
arising from switching, editing and signal distribution.
The VS-4x4YC Vertical Interval Switcher is simple-to-operate having four Super/Composite video
and four stereo audio inputs; and four Super/Composite video and four stereo audio outputs. This
allows you to simultaneously connect four sources and four acceptors.
7. THE VS-4X4YC CAN BE USED AS:
a. Fully buffered and amplified matrix switching system.
b. Four output Super/Composite video and stereo-audio distribution amplifier.
c. Production, routing and program/preview switcher.
In the VS-4x4YC, video signals are switched by means of digital control pulses during the vertical
interval and are microprocessor controlled.
8. A QUICK REFERENCE GUIDE:
The following description provides information about the controls and display on the front panel of the
VS-4x4YC and the connections on the back panel.
Front Panel:
Power
This is the main VS-4x4YC Power ON/OFF switch.
Output/input Selectors
There are eight switches on the front panel of the VS-4x4YC for input and output selection. These
switches electronically control the connection of any of four input sources to any of the four output
acceptors. When depressed, as will be explained later, the status read-out will show the connection.
Two more switches marked as "ALL" and "OFF" appear on the front panel, their function will be
explained later.