Data Field Options
The following list provides a brief description of each data field
option. Some of these options are supported only by devices
interfaced to your GPSMAP 378/478.
Accuracy
—the current accuracy of your GPS-determined location.
Battery Timer
—the time remaining on the battery before it is fully discharged.
Bearing
—the compass direction from your current location to a destination.
Course
—the desired path of travel from your starting location to a destination.
Course to Steer
—the recommended direction to steer in order to reduce cross-
track error and return to the course line. Shown as
Steer.
Cross Track
—the distance you are off a desired course in either direction, left
or right.
Depth
(Marine Only)—the depth of water from sonar NMEA input.
Dest Wpt
—see
Waypoint (Destination)
.
Distance (Destination)
—the entire distance of a route, from beginning to end.
Distance (Next)
—the distance to the next point on a route.
ETA (Destination)
—Estimated Time of Arrival. The estimated time you will
reach your destination.
ETA (Next)
—Estimated Time of Arrival. The estimated time you will reach the
next point on your route.
ETE (Destination)
—Estimated Time Enroute. The estimated time required to
reach your destination.
ETE (Next)
—Estimated Time Enroute. The estimated time required to reach
the next point on your route.
Elevation
—the altitude (height) above or below mean sea level (MSL).
GPS Status
—the current status of the GPS receiver, such as “3D GPS.”
Location (Lat/Lon)
—your current location as latitude/longitude coordinates.
Location (Selected)
—your current location described in the selected units of
measure (other than lat/lon).
Max Speed
—the maximum speed the unit has moved since last reset.
Mov Avg Spd
—see
Trip Avg. Speed (Moving)
.
Move Timer
—see
Trip Timer
(Moving)
Next Course
—the course your route will take you on after you reach the next
waypoint.
Next Turn
—the direction of the next turn on an active route.
Next Wpt
—see
Waypoint (Next)
.
Odometer
—the total distance traveled since the odometer was reset.
Pointer
—the arrow indicating the direction to travel to the next point on a
route.
Power
—the power indicator icon: Battery, External Power, or Charging.
Speed
—your current vehicle speed can be measured in miles per hour,
kilometers per hour, or knots.
Steer
—see
Course to Steer
.
Sunrise
—the time at which the sun rises on this day.
Sunset
—the time at which the sun sets on this day.
Time
—the current time and date. It can be shown in 12-hour or 24-hour format
in local time or universal (UTC) time.
GPSMAP 378/478 Owner’s Manual
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