CR34/44/54 Glossary of terms Appendix A-3
Velocity – speed towards approaching waypoint.
XTE – Cross-Track-Error (-Distance), measured magnitude of the position
error perpendicular to the intended track line.
Radar section:
Cursor function – The cursor appears on the display as a small
symbol.
To activate the cursor, just press the cursor key. The cursor may now be
positioned by using the cursor key. When the cursor is set to a position on the
screen, the bearing and distance from ship’s position to cursor position will be
displayed in the top line of the screen. To turn off the cursor, press CLR.
When heading and valid position data is available, the chart cursor will be
synchronized to the radar cursor, and thus be controlled by the radar cursor in
the Radar & Chart display.
HU – Head-Up The heading line always appears on the display at 0 degrees
as the antenna beam passes the bow of the vessel. Targets appearing on the
display are relative to your own ship’s position and heading.
NU – North-Up In this mode, targets are displayed at their measured dis-
tances in true direction from your boat. North being at the top of the display.
In the North-Up mode, you must be interfaced with an electronic compass for
proper operation.
Off-Center mode - lets you position the origin of own ship to any point on the
screen within 66% of the radius of the display (the center 2/3 of the display).
The Off-Center mode permits the operator to obtain a longer view in the
direction of interest.
Overlay - live radar images shown in a separate layer directly on the chart
gives you full control in difficult situations. To activate the overlay will
require the following conditions: Valid position, valid heading information,
and Radar orientation mode must be in NU RM (North Up, Relative Motion)
or NU TM (North up, True Motion).
Short press on the [RADAR] key will toggle overlay on/off.
In HU RM (Head Up, Relative Motion) mode and in the Radar & Chart dis-
play, the overlay is disabled.
PLOT function – will require that a heading sensor (Gyro or Compass) is
connected to the CRXX. If so, then you can plot the actual cursor position
on the radar display by pressing the [PLOT] key from the radar display, and
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