Creating a Waypoint in a Different Location on a GPSMAP 78sc

To create a waypoint in a different location or without GPS signal using a GPSMAP 78sc, follow these steps: 

1. From the map screen, press and hold MARK

2. Press MENU

3. Select Move Waypoint

4. Move the arrow to the location you would like to mark

5. Select ENTER

6. Select QUIT