Change comparison date

Proceed as follows to change a comparison date in the chart:

1. Select the TIME SCALES command in the menu of the "Edit chart elements" icon. Or double-click on the time axis in the chart window to open the "Edit coordinate axes" dialog box.
2. Then select the "Reference date comparison" button.
3. In the following dialog box, select a fixed date for the comparison date or display the date relative to the first date of the timeline.
   By default, the first date of the timeline is defined as the comparison date.

   

4. Confirm the dialog box with "OK".
5. If you activate the "Marker visible" checkbox, a comparison marker will be displayed in the chart. You can also change the comparison date by moving this comparison marker.
6. Also close the "Edit coordinate axes" dialog box by clicking the "Apply" button.