CalMAN HTPC Pattern Generator from SpectraCal LLC is a free software application that allows you to generate video test patterns from your PC to assist in calibrating any display: home theater HDTV television projector LCD or computer monitor. CalMAN HTPC offers the widest available collection of video test patterns including a complete selection of brightness contrast Pluge HiLo ANSI Grayscale SMTPE Bars Ramps Decoders Square Waves and Sine Waves allowing you to control select frequencies colors and video levels. CalMAN HTPC will serve patterns windowed or full-screen and it contains a built-in TCPIP interface allowing remote PCs to control and automate its operations. Using SpectraCals display calibration application CalMAN in conjunction with HTPC measurement automation in CalMAN goes far beyond what has been previously available. Entire calibration runs can be automated often taking a complete set of grayscale measurements for example in well under two minutes with the push of a single button. HTPC will also serve as a standalone application or integrate with other packages. Using Microsofts DirectX interface CalMAN HTPC does not depend on stored patterns but generates each pattern on the fly allowing it to offer impressive response time and rugged reliability. With a feature set far ahead of any other software currently available and a price tag of free CalMAN HTPC is an essential component in the toolbox of any professional video calibrator. But with its simple user interface it is also inviting to those just venturing into display calibration for the first time. More information is available at www.spectracal.com.