User's Manual

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HDMI Q & A
Q. What is the difference between a “Standard” HDMI cable and a “High-Speed” HDMI
cable?
Recently, HDMI Licensing, LLC announced that cables would be tested as Standard or High-
Speed cables.
․Standard (or “category 1”) HDMI cables have been tested to perform at speeds of 75Mhz or
up to 2.25Gbps, which is the equivalent of a 720p/1080i signal.
․ High Speed (or “category 2”) HDMI cables have been tested to perform at speeds of
340Mhz or up to 10.2Gbps, which is the highest bandwidth currently available over an
HDMI cable and can successfully handle 1080p signals including those at increased color
depths and/or increased refresh rates from the Source. High-Speed cables are also able to
accommodate higher resolution displays, such as WQXGA cinema monitors (resolution of
2560 x 1600).
Q. How do I run HDMI cables longer than 10 meters?
To extend a cable’s effective distance from the typical 10 meter range a Knoll balun system
may be required. See your dealer for more information. Some baluns can extend the signal up to
200 meters.
Q. How can I tell if a cable is an HDMI certified cable?
All HDMI products are required to be certified by the manufacturer as part of the HDMI
Compliance Test Specification. However, there may be instances where cables bearing the
HDMI logo are available but have not been properly tested. HDMI Licensing, LLC actively
investigates these instances to ensure that the HDMI trademark is properly used in the
market. We recommend that consumers buy their cables from a reputable source and a
company that is trusted.
For more detail information check http://www.hdmi.org/learningcenter/faq.aspx#49