This Application make frequent use of a menu system known as a context menu (or
right click menu). Many of the functions you will need to do such as zooming,
panning, removing unwanted information, etc use this menu.
To access this menu
first navigate to an item of interest then right click on the item. A moment
afterward doing this a small menu with frequently used functions will
appear.
In a number of the tasks you will need to get to the items by using the + (Plus symbols) that will
apppear. Keep clicking on the + button(s) until you get to an item of interest.