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521 East 3rd Street, Mount Vernon, NY 10553       
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 914.667.9700      Fax 

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 914.668.8666

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 www.keydigital.com      

KD-MSW4x2Pro Operating Instructions

Operating Instructions

Key Digital

, led by digital video pioneer Mike Tsinberg, 

develops and manufactures high quality, cutting-edge 
technology solutions for virtually all applications where 
high quality video imaging is important. Key Digital

  

is at the forefront of the video industry for Home 
Theater Retailers, Custom Installers, System Integrators, 
Broadcasters, Manufacturers, and Consumers. We 
provide total video system solutions because we 
know and help drive the technology, the industry, the 
business, and all the latest up-and-coming standards. 
But most of all, we know exactly what you need for your 
unique application - the right solution.

Rev 0 – July 2006

The KD-MSW4x2Pro by Key Digital

 is an analog HDTV Fat Boy Series 4-Input to 2-Output matrix 

switcher and distribution amplifier that is available in a variety of convenient output expansion 
packages.  For each of the two displays connected to the output of a base unit, any of up to 
four source inputs can be separately and seamlessly switched with the professional Fade-to-
Black and Video Muting features.  It supports both component video (YPbPr) and RGBHV video 
formats; and S-Video and composite video (CVBS), with adapters.  Concurrent with the video, it 
switches and distributes PCM coax digital audio, and analog stereo audio (no analog audio for 
RGBHV video) with convenient volume control.  With analog video bandwidths up to 300 MHz, 
the KD-MSW4x2Pro handles all HD and SD resolutions (50 and 60 Hz) including 1080p/60, with 
no degradation in signal quality.  It is simple to operate and control via front panel pushbuttons 
with LEDs to monitor the selections, IR remote control, IR Extender, wired IR, and is compatible 
via RS-232 with all control systems.

KD-MSW4x2Pro

4 Inputs to 2 Outputs RGBHV Matrix Switcher with Volume Control

These Operating Instructions apply to the entire Key Digital

  

Fat Boy Series line of KD-MSW4x2Pro HDTV Matrix Switchers:

KD-MSW4x2Pro

  . . . . . . . . . . 4 x 2 HDTV Matrix Switcher (single base unit, stand alone) 

KD-MSW4x4Pro

  . . . . . . . . . . 4 x 4 HDTV Matrix Switcher (2 base units of 4x2 and Cable Kit) 

KD-MSW4x6Pro

  . . . . . . . . . . 4 x 6 HDTV Matrix Switcher (3 base units of 4x2 and Cable Kit) 

KD-MSW4x8Pro

  . . . . . . . . . . 4 x 8 HDTV Matrix Switcher (4 base units of 4x2 and Cable Kit)

MSW4x2Pro_Manual.indd   2-1

8/23/06   4:09:48 PM

Summary of Contents for KD-MSW4x2Pro

Page 1: ...inputs can be separately and seamlessly switched with the professional Fade to Black and Video Muting features It supports both component video YPbPr and RGBHV video formats and S Video and composite...

Page 2: ...ght analog audio channels Typical source input devices that can be matrix switched with the KD MSW4x2Pro include DVD players and changers Cable TV satellite and terrestrial Set Top Boxes STBs Digital...

Page 3: ...o the back of the KD MSW4x2Pro unit until ALL of your video and audio connections are completed Video Audio Component Video Applications Inputs and Outputs RGBHV Video Applications Inputs and Outputs...

Page 4: ...32 Video and Audio Mute Video and Audio Mute enables the user to mute the audio and video signal the display goes to black at the chosen output using the RS 232 see the RS 232 Command List or IR remot...

Page 5: ...ions With analog video bandwidths up to 300 MHz it handles all HD and SD resolutions 50 and 60 Hz including 1080p 60 with no degradation in video or audio signal quality Since the KD MSW4x2Pro perform...

Page 6: ...it towards the IR sensor on the product to be controlled L Left The Left channel of an analog stereo pair Left and Right LED LEDs light emitting diodes are like small light bulbs that light up to indi...

Page 7: ...hen installing the KD MSW4x2Pro unit make all video and audio hookups and connections before plugging in the external power supply provided Do NOT apply power to the unit until all video and audio con...

Page 8: ...ive 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...

Page 9: ...t External power supply connector Examine the Front and Rear Panels Become familiar with the front and rear panels of the KD MSW4x2Pro unit Front Panel The front panel contains the pushbutton selectio...

Page 10: ...r proper operation of the high quality electrical circuits in the KD MSW4x2Pro unit do NOT daisy chain inputs Each input of the KD MSW4x2Pro has its own 75 termination Do NOT feel a source to multiple...

Page 11: ...to the L and R connectors of the same Input Port of the KD MSW4x2Pro unit If a digital audio coaxial output is available on the set top receiver it can then connect to the PCM connector on the KD MSW4...

Page 12: ...tors Connect the white Y conductor to the G BNC connector of the selected Input Port and connect the yellow C conductor to either the B or R BNC connector in the same input field Connect the white and...

Page 13: ...s the IR remote control provided with the KD MSW4x2Pro unit Wired IR A rear panel wired IR serial connector is provided for use with an IR Extender like one provided by Xantech Connect the wired IR Ex...

Page 14: ...dividually addressable Configuring a particular unit with the desired input and output combination requires the following successive steps Addressing desired Unit Depress button 1 through 8 to select...

Page 15: ...arate On and Off pushbuttons In the power off mode all front LEDs are Off and the video outputs are muted Single Unit Operation The KD MSW4x2Pro can be used as a stand alone 4 to 2 HDTV Matrix Switche...

Page 16: ...desired Unit Press numerical digits 1 to 8 9 is the default address of the stand alone base unit and does not require selection Addressing desired Output Press buttons output 1 or output 2 Addressing...

Page 17: ...Commands and Protocol The KD MSW4x2Pro 4 to 2 HDTV Matrix Switcher can also be remotely controlled via its RS 232 port by systems such as Crestron AMX ELAN and Control4 utilizing industry standard co...

Page 18: ...play goes to black at the chosen output Note The following Technical Specifications are for a base KD MSW4x2Pro HDTV Matrix Switcher The Technical Specifications for Fat Boy expansion configurations s...

Page 19: ...s Input Output Ports and Formats The output format the format of the selected input source Each Input and Output Port is comprised of six 6 BNC connectors 3 analog video connectors 2 analog audio conn...

Page 20: ...com Warranty All Key Digital products are built to high manufacturing standards and should provide years of trouble free operation They are backed by a limited two year parts and labor warranty Connec...

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