Magellan GPS PROMARK X, User Manual

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Appendix
ProMARK X
SOA Speed of advance.
SOG Speed over ground.
SPEED OF ADVANCE A vector component of ground
speed (SOG) towards the destina-
tion. Abbreviated as SOA. Dis-
played when NAV is pressed and
after three position fixes have been
taken.
SPEED OVER GROUND Actual ground speed measured as
instantaneous speed and direction.
Abbreviated as SOG. The calcula-
tion is made by the unit instantly
and displayed with VEL.
SQ See Signal Quality.
3D Three dimensional. The mode of
operation that calculates latitude,
longitude, and altitude, requiring
the use of four satellites.
TIME TO GO Time to go. The time necessary to
reach the destination of the current
leg, based on Speed
of advance (SOA).
TOGGLE To switch back and forth between
two settings, or to move through
settings in a continuous loop. For
example, when setting latitude, use
the RIGHT ARROW to toggle
between North and South.
TTG Time to go.
SOG
Start
Destination
SO
A