*Press Menu twice to get into the Main Menu System ...
*Cursor over to the NAV tab ...
*Cursor down to Waypoints Routes Tracks ...
*Cursor right to open Waypoint Management ...
*Cursor to highlight "Options" ...
*Cursor right to open Options menu ...
*Cursor to New ...
*Cursor right to open edit waypoint window ...
*Cursor to the lat Lon fields ...
*Cursor right and left to highlight character to edit
*Cursor up an down to change character ...

Be sure to click the "Save" button when done ...

Here is the Waypoint Management manual ... Add a waypoint is on page 13 ...
http://www.humminbird.com/WorkArea/D...t.aspx?id=3017

Rickie