8. Vector Chart Material
8-70
Tracking page
Past tracks
• Ship System: Choose Std or Other to plot own ship’s tracks using
system-fed position.
• Ship Primary: Choose Std or Other to plot own ship’s past track
with position fed from the primary sensor.
• Ship Secondary: Choose Std or Other to plot own ship’s past track
with position fed from a secondary sensor.
• Length: Choose length (in minutes) of past tracks shown on the
screen.
• Labels: Choose period of track labeling.
• Targets: Choose Std or Other to plot ARPA target past tracks. Use
chooses number of track points to display; Interval chooses the
plotting interval for the track points.
Events: These marks are based on voyage log records. For more
information, see paragraph 19.3.2 “Voyage log”.
• User Event: Choose Std or Other to display event symbols on
ECDIS, where the system has recorded an event based on conditions
you have set (Type: User and Auto).
• Automatic Event: Choose Std or Other to display automatically
entered event symbols, where the system has recorded an event based
on conditions you have set (Type: Ship and Alarm).
• Positions: Choose Std or Other to display the latitude and longitude
of an event.
Note 1: MOB event is always visible.
Note 2: You can choose period of time to display event marks in the
list box “Show”.
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