1. At the position you wish to mark an event, select Event Marking in the pop-up menu by clicking the right button of the mouse. Or else, you can use the function by locating the mouse on the part you desire and pushing the shift button on the keyboard and the right button of the mouse at the same time.
2. When Event Marking is selected, the event marking dialog box as follows pops up.
3. When the user selects an event name in the list of the event marking dialog box and then clicks Apply button, the event is indicated at the designated position and an event marker appears that informs the time of the event.
If the event setting icon in the basic tool bar is clicked, a dialog box appears in which you can change the font face, size and style of the event name, and the color, figure, position and style of the event marker.