Coordinate style
Use L.Alt+Y changes display to Deg, Min, Dec.Min
Press "WP" button to go into Waypoint page
Press "WAYPOINT<-" (top left button)
Change "STEER PT" selector to "MISSION"
Press the copy waypoint button (Tooltip most helpful)
Second to bottom button the right of the screen
Type in north coordinates
Decimals are not needed
Press button for North
Change waypoint name to something memorable
6:12 into the video goes into the CDU Waypoints