Humminbird 798ci SI Combo Operation Manual page 75

Skipping a waypoint: From the Navigation X-Press™ Menu, select Skip Next
Waypoint, and press the RIGHT Cursor key. If there is not another waypoint to
skip to, navigation will be cancelled.
Cancel navigation: From the Navigation X-Press™ Menu, select Cancel
Navigation, and press the RIGHT Cursor key. Canceling navigation removes the
route and any waypoints created using the GOTO key, but it does not remove
any saved routes from memory. You will be prompted to save the current route
when you cancel navigation.
63 Introduction to Navigation