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GPSMAP 78 Series Owner’s Manual 25
Customizing Your Device
Data Field Description
Location (lat/lon) Displays the current
position in the default
position format
regardless of the
selected settings. .
Location
(selected)
Displays the current
position in the selected
position format.
Odometer A running tally of
distance traveled for
all trips.
Off Course The distance to the left
or the right by which
you have strayed from
the original path of
travel.
Pointer The data eld arrow
points in the direction
of the next waypoint
or turn.
Speed The current rate of
speed at which you
are moving since last
reset.
Data Field Description
Speed - Maximum The maximum speed
reached since last
reset.
Speed - Moving
Avg.
The average speed
of the device while
moving since last
reset.
Speed - Overall
Avg.
Your average speed
since last reset.
Sunrise The time of sunrise
based on your GPS
position.
Sunset The time of sunset
based on your GPS
position.
Temperature
- Water
The temperature of
the water. Requires a
connection to a NMEA
0183 temperature-
capable device to
acquire data (page 27).
Time of Day The current time of
day based on your
time settings (format,
time zone, and daylight
saving time).