Gefen 4x4 DVI Dual Link Matrix EXT-DVI-444DL User Manual
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Congratulations on your purchase of the 4x4 DVI DL Matrix. Your complete 
satisfaction is very important to us.
Gefen
Gefen delivers innovative, progressive computer and electronics add-on solutions 
that harness integration, extension, distribution and conversion technologies. 
Gefen’s reliable, plug-and-play products supplement cross-platform computer 
systems, professional audio/video environments and HDTV systems of all sizes 
with hard-working solutions that are easy to implement and simple to operate.
The Gefen 4x4 DVI DL Matrix
Easily combine any four cross-platform Dual Link DVI video display outputs and 
four Dual Link DVI digital displays without networking. Our 4x4 DVI Dual Link 
Matrix provides a simple, reliable and highly effective method of creating multiple 
Dual Link DVI display consoles, with each console capable of accessing any one 
of the Dual Link DVI video sources at any time by remote control. You also have 
the option of setting up the four displays locally or extending them with a Gefen 
extender.
How It Works
The 4x4 DVI Dual Link Matrix has four Dual Link DVI inputs and four Dual Link 
DVI outputs. You simply connect your four Dual Link DVI video sources to the 
Switcher’s inputs, then connect your four Dual Link DVI displays to the Switcher’s 
outputs.
INTRODUCTION
