KD-MSW4x2 Operating Instructions
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KD-MSW4x2 Operating Instructions
Page
Quick Facts about the KD-MSW4x2
The KD-MSW4x2 by Key Digital‚ is an analog HDTV Fat Boy Series 4-Input to 2-Output matrix
switcher and distribution amplifier. It is perfectly suited for studio, home theater, custom installation,
retail, and in fact any and all analog HD and SD applications.
Typical Configuration: Analog HDTV
Connect four sources to the input of the KD-MSW4x2 (for example: a DVD player, Cable Set Top
Box, Satellite Set Top Box, and PC)
Connect two displays to the output of the KD-MSW4x2 (for example, a Plasma and an LCD
display)
Connect the audio outputs of the KD-MSW4x2 to surround sound or other audio systems, or to
the speakers in the displays
It is expandable
Matrix Switcher and Distribution Amplifier
For each of the two KD-MSW4x2 outputs that can be used to drive separate displays, one of the
four source inputs can be independently selected
For example, it’s as easy as 1, 2, 3:
Connect the video and audio from a DVD player, Cable Set Top Box, Satellite Set Top Box, and
PC to the inputs of the KD-MSW4x2
Connect the video (and audio) outputs of the KD-MSW4x2 to two displays, a Plasma and an
LCD (the audio may be separately connected to surround sound or other audio systems, or to
the speakers in the displays)
Use any of the control options on the KD-MSW4x2 to select the Cable Box to drive the Plasma
and the DVD player to drive the LCD, or any other combination
It is also possible under RS-232 control to allow any one of the four inputs to be switched and
distributed to both outputs.
Professional Switching Features
Fade-to-Black:
allows for switching between input/output combinations without the usual visual
signal noise, glitches, and sync roll that traditionally accompany switching between video signals
The feature momentarily forces the video image to black as the desired source input is
selected for the chosen output
This feature is applied automatically
Fade time interval is programmable via the RS-232 [see the RS-232 Command List], and is
equivalent to a “Video Mute” to force the video to black during switching
Video Mute:
enables the user to mute the video signal (the display goes to black) at the chosen
output
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Formats
Video:
Supports component video (YPbPr) and RGBHV video formats
Supports S-Video and composite video (CVBS), with adapters
Output stage drives high-quality, equal-length video cables up to 300’ or more
Audio:
Along with the video, the KD-MSW4x2 switches and distributes digital PCM, and analog
stereo audio:
Digital PCM is available with either YPbPr or RGBHV video
Analog stereo audio is available with YPbPr video but not RGBHV video, unless the sync is on
green (G) channel
Uses RCA jacks for video and audio inputs and outputs
Resolution
Handles all HD and SD resolutions (50 and 60 Hz) including 1080p/60
Supports analog video bandwidths up to 300 MHz
The KD-MSW4x2 performs no video or audio processing:
The video and audio signals remain pure and untouched
Introduces no degradation in video or audio signal quality
Control
Simple to operate, control, and monitor via:
Front panel pushbuttons and LEDs
IR remote control, with extensive commands and control
IR Extender
Wired IR
All control systems (with RS-232)
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MSW4x2_Manual.indd 12-13
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