Overview
3
3 Overview
The desktop-sized
VS-41HC
is a high performance switcher for HDMI
signals. It switches any one of the four inputs to a single HDMI output.
In particular, the
VS-41HC
features:
•
Support for up to 2.25Gbps bandwidth per graphic channel
1
•
Support for HDCP (High Definition Digital Content Protection)
•
HDTV compatibility
•
A MUTE button to disconnect the output and a PANEL LOCK button to
prevent unwanted tampering with the buttons on the front panel
•
EDID PassThru – Passes EDID/HDCP signals from source to display
•
3D Pass-Through
•
Control via the front panel buttons or remotely via the Kramer infrared
remote control transmitter
3.1 Defining EDID
The Extended Display Identification Data (EDID
2
3.2 About HDMI
) is a data-structure,
provided by a display, to describe its capabilities to an HDMI source. The
EDID enables the
VS-41HC
to “know” what kind of monitor is connected to
the output. The EDID includes the manufacturer’s name, the product type, the
timing data supported by the display, the display size, luminance data and (for
digital displays only) the pixel mapping data.
High-Definition Multimedia Interface (HDMI) is an uncompressed all-digital
3
In particular, HDMI
audio/video interface, widely supported in the entertainment and home cinema
industry. It delivers the highest high-definition image and sound quality.
4
•
Provides a simple
:
5
interface between any audio/video source, such as a
set-top box, DVD player, or A/V receiver and video monitor, such as a
digital flat LCD / plasma television (DTV), over a single lengthy
6
1 Suitable for resolutions higher than UXGA at 60Hz, and for all HD resolutions
cable
2 Defined by a standard published by the Video Electronics Standards Association (VESA)
3 Ensuring an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digital-
to-analog conversions
4 HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI
licensing LLC
5 With video and multi-channel audio combined into a single cable, the cost, complexity, and confusion of multiple cables
currently used in A/V systems is reduced
6 HDMI technology has been designed to use standard copper cable construction at up to 15m
