3. TARGET TRACKING (TT)
3-15
3.10
Past Position Display
The past position display shows equally time-spaced dots marking the past positions
of any targets being tracked.
If a target changes its speed, the spacing will be uneven. If it changes the course, its
plotted course will not be a straight line. See the illustration below for dot pattern and
ship status.
3.10.1
How to enable/disable the past position display, select past
position reference
Click the indications circled in the figure below to set the plot interval (or disable the
display) and the past position reference (true or relative).
3.10.2
Past position points
You can show 5 or 10 past position points per tracked target. Right-click the past po-
sition indication then select [Past POSN Menu] to show that menu. Set [6 TT•AIS
PAST POSN POINTS] to [5] or [10].
(a) Ship turning
(b) Ship running
straight
(b) Ship
reduced speed
(b) Ship increased
speed
Past position
reference
Plot interval, past
position display
ON/OFF
Summary of Contents for FCR-2119-BB
Page 66: ...1 OPERATIONAL OVERVIEW 1 40 This page is intentionally left blank ...
Page 134: ...2 RADAR CHART RADAR OPERATION 2 68 This page is intentionally left blank ...
Page 182: ...4 AIS OPERATION 4 22 This page is intentionally left blank ...
Page 198: ...5 RADAR MAP AND TRACK 5 16 This page is intentionally left blank ...
Page 290: ...9 VECTOR S57 CHARTS 9 12 This page is intentionally left blank ...
Page 296: ...10 C MAP CHARTS 10 6 This page is intentionally left blank ...
Page 392: ...16 NAVIGATION SENSORS 16 16 This page is intentionally left blank ...
Page 398: ...17 AIS SAFETY NAVTEX MESSAGES 17 6 This page is intentionally left blank ...
Page 466: ...24 CONNING DISPLAYS 24 4 Example 2 General navigation Example 3 General navigation ...
Page 467: ...24 CONNING DISPLAYS 24 5 Example 4 General navigation Example 5 All waters navigation Silence ...
Page 534: ...FURUNO FCR 21x9 BB FCR 28x9 SERIES SP 6 E3607S01D M This page is intentionally left blank ...
Page 541: ......