Definition On Terms - JRC RADAR 1800 Instruction Manual

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Definition on Terms

2D(two- dimensional)..... Position fixing using satellites and height information.
3D(three-dimensional) .... Position fixing using satellite information only from
Anchor alarm .................. An alarm indicating that the vessel has deviated more
Arrival alarm ................... An alarm indicating that the vessel has come within
Automatic sequencing mode
....................................... Function that automatically steps from one waypoint
Bow ................................ The front of a vessel (nautical term)
CDI ................................ Course Deviation Indicator. Information that
COG .............................. Course over Ground
CUP(Course-UP) ........... An azimuth stabilized display in which a line connect-
Default value .................. Factory set value
DGPS ............................. The process of correcting the inaccuracies of GPS
EBL(Electric Bearing Line)
....................................... Electronic Bearing Line – A moveable vector line
GPS(Global Positioning System)
....................................... Internationally-used positioning system.
Ground stabilization ....... A mode of display whereby own ship and all targets
GPS satellite ................... GPS stands for "Global Positioning System." Several
Guard zone ..................... A zone in which an alarm is given when a target is
four or more satellites.
than the set distance from a waypoint.
the set distance of a waypoint.
to the next when the arrival perpendicular point has
been detected.
indicates the extent you have strayed from the route
intended and the direction to steer.
ing the centre of own ship with the top of the display
is own ship's intended course.
position data from GPS satellites by receiving a beacon
Differential Signal from a base station whose exact
position is known. And which transmits correction
data for the GPS satellites it receives.
radiating out from the ship indicating the bearing
thereof.
are referenced to the ground using ground track or set
and drift inputs.
satellites launched by the US Department of Defense
to establish a military navigational aid system.
detected.