Measuring DistanceYou can measure the distance and bearing between two map items.To measure the bearing/distance between two points:1. On the Map Page, press MENU to open the options menu.2. Highlight Measure Distance, and press ENTER. An on-screen arrow appears on the map display at your presentlocation with ENT REF below it.3. Move the arrow to the reference point (the starting point thatyou want to measure from) and press ENTER. A push pinicon marks the starting point on the map display.Measure DistanceEnd point ofmeasurement,labeled ENTREFPush pinindicating thebeginningpoint of themeasurement4. Move the arrow to the point want to measure to. The bearingand distance from the reference point and arrow coordinatesappear in the data window at the top of the display.5. Press QUIT to finish.Compass PageDuring active navigation, the Compass Page guides you to yourdestination with a graphic compass display and a bearing pointer.Press PAGE repeatedly to show the Compass Page.Compass Page in Marine ModeRotatingcompass ringCourse to steerindicatorCompass arrow Data fieldsThe middle of the page features a rotating compass ring that showsyour course over ground (track) while you are moving. Your presentcourse over ground is indicated at the top of the compass ring. Thedirection of the destination (bearing) relative to the course overground is indicated by an arrow in the middle of the compass ringand a course to steer “bug” on the outside of the compass ring. Thecourse to steer represents the direction to steer to get back to thecourse line.48 GPSMAP 378/478 Owner’s ManualM ARINE MODE PAGES AND FEATURES > C OMPASS PAGE
