Simrad NX45 Specifications Page 118

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Simrad NX40/45 Installation and Operation Manual118
Navigation data24
BRG Bearing to Destination: Bearing to the destination from the boat.
BRG Bearing to cursor: Bearing to cursor from boat
CDI Course Deviation Indicator: When the boat is navigating to a point, the
chart and highway windows show a parallel line on either side of the plotted
course. These two lines are called the Course Deviation Indicator (CDI) lines.
The distance from the plotted course to a CDI line is the CDI scale.
Set the CDI scale to the maximum distance that the boat should deviate from the
plotted course. The chart and highway windows show the CDI lines, which
are like a highway over the water where the boat will move. The windows
show how far the boat has deviated from the plotted course and if the boat is
approaching a CDI line. If the XTE alarm is enabled an alarm will sound if the
boat reaches a CDI line.
COG Course Over Ground: Direction in which the boat is moving over the
ground.
CTS Course To Steer: Optimum course to steer to return to the plotted course.
DTG Distance To Go: Distance from the boat to the destination.
ETA Expected Time of Arrival: At the destination, assuming that SOG and COG
remain constant.
DST Distance from boat to cursor
SOG Speed Over Ground: Current boat speed over the ground. This is not
necessarily the same as the boat speed through the water nor the speed at
which it is approaching the destination.
STR Steering: The difference between COG and CTS.
TTG Time To Go: The estimated time to reach the destination.
XTE Cross Track Error: The distance from the boat to the nearest point of the
plotted course. XTE may have a letter: R means steer to the right to return
to the plotted course, L means steer to the left.
VMG Velocity Made Good: The speed at which the boat is approaching the
destination.
CTS
SOG (speed)
VMG (speed)
BRG
COG
Destination
Boat position
Start
STR
DTG
(distance)
CDI scale
(distance)
Plotted
course
Start
Destination
XTE
(distance)
Boat
position
CDI scale
(distance)
CDI line
Plotted
course
CDI line
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