D-5
The WPL editing window will appear after 3 seconds (see figure below). When running
WPLSoft for the first time, before "New file" has been used, only the "File (F)," "Communications (C),"
View (V)," "Options (O)," and "Help (H)" columns will appear on the function toolbar.
After running WPLSoft for the second time, the last file edited will open and be displayed in
the editing window. The following figure provides an explanation of the WPLSoft editing software
window: