After zooming in on the view, it cannot be displayed in full screen.
Can not control the size of the ladder, can only change the size of the annotation and the number of contacts displayed in each row;
The number of contacts in the menu bar – “Tools -” option, pop-up dialog box point program editor – “ladder -” ladder diagram,
Select the number of display contacts in the display format,
It is recommended to choose 13 or 11.