Owner`s manual

appendix c
cnd
Page 50
terms and functions
COG
= Course Over Ground
Direction of the path over ground actually
followed by a boat.
Coordinate System
Sets your preferred Coordinate System among
ddd mm ss, ddd mm.mm, ddd mm.mmm
XTE
= Cross Track error
The distance from the boat’s present position to
the closest point on a line between the origin
and destinations Waypoints of the navigation
leg being travelled.
CTS
= Course To Steer
The optimum direction the boat should be
steered in order to efficiently make headway
back to the course line while also proceeding
toward the destination Waypoint.
Current
Non-periodical movement of seawater,
generally hori zontal, due to ma ny causes such
as different temperatures and prevalent winds.
Date Format
Sets your preferred date between MMMM-DD-
YYYY (month-day-year) and DD-MMMM-YYYY
(day-month-year).
Datum
The Latitude and Longitude lines printed on
any map are based on certain models of the
shape of the earth.
Dedicated Key
A key with permanently defined function. These
keys are labelled on the front panel of the CND.
Default
Indicates a value or a setting that is used if the
user has not defined a particular value.
Depth Contours
Imaginary lines connecting points of equal
water depth (see also Bathymetric Lines).
Depth Units
Sets the depth units among Ft = Feet, FM =
Fathoms and m = Metres. The default setting is
m.
DGPS
= Differential GPS
Provides even greater positioning accuracy
than sta ndard GPS.
Distance
Sets the distance at which the previous three
alarms (Arrival Alarm, Anchor Alarm, and XTE
Alarm) are triggered. The default setting is 0.01
Nm.