Garmin GPSMAP 580 Owner's Manual page 95

Time—the current time and date. It can be shown in 12-hour or 24-hour format
in local time or universal (UTC) time.
Track—the direction of movement relative to a ground position. Also referred
to as ground track.
Trip Avg. Speed (Moving)—the average speed while moving since the last
reset of the trip computer. Appears as Mov Avg Spd.
Trip Avg. Speed (Total)—the total average speed traveled since the last reset
of the trip computer. Appears as Ttl Avg Spd.
Trip Odometer—the total distance traveled since the trip computer was reset.
Trip Timer (Moving)—the length of time your vehicle has been in motion,
since the trip computer was reset. Appears as Move Timer.
Trip Timer (Total)—the total time the unit has been tracking since the trip
computer was reset.
Ttl Avg Spd—see Trip Avg. Speed (Total).
Turn—the distance between Bearing (BRG) and Track (TRG). L indicates you
should turn left. R indicates you should turn right. The degrees indicates the
difference angle and the number of degrees you should turn.
User Timer—the timer you set on the Main menu.
Velocity Made Good—the rate of closure on a destination based on your
current speed and course of travel. Appears as VMG.
Vertical Speed—the rate of climb or descent.
Voltage—the direct current voltage level of an external power source.
Water Speed (Marine Only)—the data acquired from measurement devices
interfaced to the unit is used to calculate your current speed over water.
GPSMAP 580/585 Owner's Manual
Water Temperature (Marine Only)—the temperature of water at a measured
depth using measurement devices interfaced to the unit.
Waypoint (Destination)—the last point on a route, your destination. Appears
as Dest Wpt.
Waypoint (Next)—the next waypoint in your route. Appears as Next Wpt.
Appendix
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