download datavideo se-3000-8 product manual - Go Electronic

the key using the Chroma Key Ctrland Color Spill options.Chroma MatteThis matte sets the centre of colour range that will be used for keying. The Chroma Matte options andvalues are currently shown along the bottom of the display below.The Hue adjustment moves the crosshair +around the colour palette in a clockwise or anticlockwisedirection. The Hue value can becontrolled by the F1 Function dial.Cyan at 180 degrees and Violet at 300 degrees.Certain colour hues can be found at certainangles on the colour palette. For instance, Red is0 degrees (12 o’clock position), Green is approx120 degrees (4 o’clock position) and Blue isapprox 240 degrees (8 o’clock position).Secondary colours are Yellow at 60 degrees,The Sat or Saturation value moves the crosshair + from the centre of the colour palette to the outer edge.The Sat value can be controlled by the F2 Function dial. If the Hue angle is set at 120 then the Sat valuedetermines how much Green is in the matte.The Luma value relates to how bright or dark the selected colour or hue is. The Luma value can becontrolled by the F3 Function dial.Chroma Key CtrlThe Chroma Key Ctrl options and values are currently shown along the bottom of the display below. Thereare two colour palettes Main and Chroma shown. The Main palette can be referred to when changing theKey Acceptance and Key Lift values. The Chroma palette is affected by the Color Spill settings.Key Acceptance is represented on the MainPalette as a sector or area covering a range ofhues or colours that closely match thebackground colour to be keyed as set in ChromaMatte.A large value of 120 degrees could be used tobegin with and then this value could be fine tunedup or down with the F1 Function Dial dependingon the set up of the green or blue screen studio.Key Lift is represented on the Main Palette as a line extending from the centre point in the direction of theKey Acceptance sector. This value affects the performance of the Chroma key in dark or black areas. If thedark areas of the video are becoming too transparent then applying more Key Lift may help depending onthe set up of the green or blue screen studio. This value is fine tuned up or down using the F2 FunctionDial.40