1 Menu (bottom left of screen), Settings (near bottom of list), units (top of list)
2 tap the course area circle in the bottom left of the screen
one time. It will turn a light blue. if you drag the screen to a new location it will turn back off.
3. touch on the waypoint, then touch the name of the waypoint (it will have an arrow pointing right on the screen. Then click the pencil to edit.
4. Many options, search the forums
for articles, It all depends on what you prefer.
There are many youtube videos and articles online showing tips and how to. just google
what you need.