Trend channel

1. From the "Advanced" button menu, select the "Trend channel" entry.
2. Then click the starting position of the element in the chart.
3. Then, move the line that appears to the desired location in the chart.
4. Click at the end point and fan out the trend channel with the mouse by dragging the line.
5. Click when you reach the desired width.
   The channel is drawn. You can now select and move it or drag at one of the touch points to make it longer or shorter. Drag the centre point to adjust the width of the trend channel.
   

   

Using the properties of the selected drawing element (edit mode), you can edit the trend channel and, for example, extend the lines beyond the start and end points.

For more information about working drawing elements, see Edit drawing elements and Delete drawing elements.