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7. Vector Charts
7-57
Tracking page
Own ship past tracks
t
System: Check to plot own ship’s tracks using system-fed position.
Primary: Check to plot own ship’s past track with position fed from the primary
sensor.
Secondary: Check to plot own ship’s past track with position fed from a secondary
sensor.
Style: Select time stamp position for past track (indicated by Tick or Point)
Length: Select length of past track
Labels: Select label interval.
Target past positions
Density: Select density of past position of points.
Style: Select style of presentation of target's past position.
Events: These marks are based on voyage log records.
User Event: Display event symbols on ECDIS, where the system has recorded an
event based on conditions you have set (Type: User and Auto).
Auto Event: Display automatically entered event symbols, where the system has
recorded an event based on conditions you have set (Type: Ship and Alarm).
Positions: Display the latitude and longitude of an event.
Note 1: MOB event is visible always.
Note 2: You can choose period of time to display event marks in the list box
"Show".
Targets page
Color: Select color of target from the list box
TT: Std or small for TTs.
AIS: ROT (º/min), limit to display AIS target with curved speed vector. Note,
source of ROT must be ROT gyro on target vessel.
Association conditions: Set appropriate conditions for TT and AIS association for:
• Gap
• RNG Diff
• BRG Diff
• SPD Diff
• CRS Diff