The AV-GM0783-S1E 4x4 HDMI 1.3 & Full 3D support over CAT5 Matrix with IR Pass-through has been tested for conformance to safety regulations and requirements, and has been certified for international use. However, like all electronic equipments, the AV-GM0783-S1E should be used with care. Please read and follow the safety instructions to protect yourself from possible injury and to minimize the risk of damage to the unit.  Follow all instructions and warnings marked on this unit.  Do not attempt to service this unit yourself, except where explained in this manual.  Provide proper ventilation and air circulation and do not use near water.  Keep objects that might damage the device and assure that the placement of this unit is on a stable surface.  Use only the power adapter and power cords and connection cables designed for this unit.  Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device before cleaning . The AV-GM0783-S1E 4x4 HDMI 1.3 & Full 3D support over CAT5 Matrix with IR Pass-through provides the most flexible and cost effective solution in the market to route high definition video sources plus multi-channel (up to 7.1-channel) digital audio from any of the four HDMI sources to the remote displays at the same time. Through low cost Cat-5/5e/6 LAN cables, not only high quality video and audio can be transmitted to the display sites, but also users can switch among four HDMI sources using the push-in button, Ethernet or remote control. With single power design at the source site, each remote module is easily installed without power supply. Furthermore, the built-in IR extension function makes users at display site access the DVD player, PS3 or any HDMI supported devices directly! High Speed HDMI-Deep Color & Full 3D support  HDCP compatible  Allows any source to be displayed on multiple displays at the same time  Allows any HDMI display to view any HDMI source at any time  Supports 7.1 channel digital audio  Supports default HDMI EDID and learns the EDID of displays  The matrix master can switch every output channels to any HDMI inputs by push-in button, IR remote control, Ethernet, or RS-232 control  Allows controlling local HDMI sources such as DVD and TiVo by attached IR extender from remote receiver to matrix master  Allows to control matrix master through IR remote control at remote receiver’s site  Extends video signal up to 35m (115 feet) over CAT5e at 1080p and likely longer with better HDMI source device (such as PS3), better grade HDMI display (such as Sony X-series HDTV), and better quality solid CAT6 cable  Easy installation with rack-mounting and wall-mounting designs for master and receiver respectively  Fast response time – 2~5 seconds for channel switch