move the arrow buttons to your designated location and press “wpt” button. It will give you multiple options for what type of waypoint and where you want it.
I assume you mean if you sitting at your desk and wanting to enter something on a lake. Enter (Save) Scroll down to Entered Possition (Enter x2) Scoll and enter in Lat / Long Exit – Scoll over to Right to Edit
Exactly what Scott said – I played around with it a little myself and was able to figure it out. Sure wish Lowrance would explain this in their manual. Oh well, still a great unit.