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Glossary
Back on Course—The direction of travel needed to return to the course.
Base Map—A low-detail map that comes pre-loaded on the Earthmate GPS PN-20.
Battery Life—The percentage of battery life that is left on the device.
Bearing—The direction of travel from the current location to the destination.
Coordinates—The current GPS location, cursor position, or map center.
Course—The direction of travel from the starting location to the destination.
Device Odometer—The total distance traveled in all trips.
Differential GPS (DGPS)—A technique to improve GPS accuracy that uses pseudo-range errors
recorded at a known location to improve the measurements made by other GPS receivers within the
same general geographic area. For more information, see WAAS.
Distance to Finish—The distance from the current location to the route finish.
Distance to Next Stop—The distance from the current location to the next stop in the route.
Distance to Next Turn—The distance from the current location to the next turn in the route.
Elevation—The height above or below sea level.
Elevation (Maximum)—The maximum elevation achieved.
Elevation (Minimum)—The minimum elevation achieved.
ETA at Finish—The estimated time of arrival at the route finish.
ETA at Next Turn—The estimated time of arrival at the next turn.
ETA at Next Stop—The estimated time of arrival at the next stop.
GPS—See WhatisGPS on page 6.
GPS Accuracy—The calculated accuracy of the GPS.
GPS Status—The current status of your GPS device (No Fix, 2-D, 3-D, etc.).
Heading—The current direction of travel.
Latitude—Position north or south of the equator in degrees; degrees, minutes; or degrees, minutes,
seconds.
Longitude—Position east or west of the prime meridian in degrees; degrees, minutes; or degrees,
minutes, seconds.
Mark—The action of placing a waypoint on the map.
Orientation—The alignment of a map relative to the points of the compass.
Scale—The relationship between the extent of features in the real world and the size at which they
are portrayed on the map. On the Earthmate GPS PN-20, you can choose Bar, Zoom, or Ratio.
Speed—The current rate of travel for the device.
Speed (Average)—The average speed of the device including stop time.
Speed (Maximum)—The maximum speed achieved.
Speed (Moving Average)—The average speed of the device excluding stop time.
Time to Finish—The calculated time to the route finish based on the road classifications and default
speed settings.
Time to Moonrise/set—The time remaining until the moon rises and sets.
Time to Next Stop—The estimated time to the next stop in the route based on the road classifica-
tions and speed settings.
Glossary