NorthStar 972 Quickstart Manual And Reference Manual page 102

Reference section 6 — Radar
98
MARPA targets
The Targets screen
To display information about the targets,
press the Control key until you see
in the blue tab. Then press the Targets...
menu key.
The tracked target names are shown in the
left panel. Use the cursor pad to select a
particular target. Information about the
selected target is shown in the right panel.
The following information is shown:
CRS — the direction of travel of the
•
target
BRG — the direction from your vessel to
•
the target
RNG — the distance from your vessel to
•
the target
SPD — the speed of the target
•
CPA — the calculated Closest Point of
•
Approach (how close the target might
Targets
come to your vessel, based on current
courses and speeds)
TCPA — Time to Closest Point of
•
Approach (how soon the target will
reach the CPA)
POS — the position coordinates of the
•
target, as lat/lon or phantom loran TDs
Target controls
Select by
Targets may change their positions in the
list as then move relative to the vessel. To
keep the same target selected at all times,
choose Select by
position in the list selected at all times (for
example, the closest target), choose Select
.
by
Position
Sort by
The target list may be shown in order of
target distance (range), Threat level, CPA or
TCPA.
Show on chart...
Press this menu key to switch to the
screen with the selected target centered on
the screen.
. To keep the same
Target
Chart
Northstar 972