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Animation is done through the sequence mode of the Ipo, shown in the header of the Ipo window type. The counter at the bottom of the Ipo window (the x-axis) is the percentage complete of the strip, regardless of its length. The y-axis runs from 0 to 1.0 and reflects the percentage application of the effect. To demonstrate, let's animate a title to fade out as the first shot starts, so that it has a smoother transition. In the Ipo window, select Ipo type Sequence and select the scene strip. At around 75%, Ctrl-click to place a control point at 1.0, and then at 100%, Ctrl-click at 0, giving an Ipo curve like that shown in Figure 14-17, which should fade out the title as the first clip starts. In this case, the Ipo curve is animating the general opacity.