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The Yoke object provides a graphic representation of a pan/tilt style focussing apparatus, and a means for labelling specific focus positions. In order to best match the layout graphic to the physical movements of the fixture, the object's properties provide the ability to invert and swap axes, and to rotate the entire graphic.
The circular graphic displays the pan value as a variable length arc around part of the circle, and the tilt value as a variable length line from the end of the pan arc, across the diameter of the circle. The focus point is indicated by a colored dot at the end of the tilt line. A grey line indicates the zero-pan direction, and a small red tic on the outer circle marks the pan limit.
In Live mode focus positions can be recorded and given names which will be displayed whenever the pan and tilt attributes match that position again. To record a position simply right-click (Windows) or control-click (Mac) on the Yoke object and select Record Point from the pop-up menu. Type a name and click OK. The name will appear below the graphic. All Yoke objects have zero and 50-50 points pre-defined. The picture shows the "podium" focus.
Yoke Object Properties
Plan to adjust the swap, invert, and orientation properties on site while actually controlling a fixture in order to make the object's display match the fixture's movement. Using these four properties you can make the object relate to any fixture orientation, including on the floor or in a vertical position.