APPENDIX 6 SYMBOLS
AP-29
TT symbols
Note:
For B/W-types, In addition to the "standard" circle TT symbol, you may select from the sym-
bols shown below. You can also change the symbol’s attributes (name, color, etc). See
section 3.9.3.
TT symbols
Symbol
Name
Manually acquired target. Appears as a dashed circle at intial
acquisition, changes to solid circle when tracking is stable.
Automatically acquired target. Appears as a dashed red circle at
intial acquisition, changes to solid circle when tracking is stable.
Vector on acquired target (approx. 1 minute after acquisition)
Stable tracking on acquired target (approx. 3 minute after acquisition)
Dangerous target. Symbol flashes in red color to indicate that this
target may be on a collision course with your vessel.
Associated TT target. Appears when the target is associated and TT
is given priority.
Associated dangerous TT target. Appears in red color when the
target is associated, TT is given priority and the target may be on a
collision course with your vessel.
Lost TT target. Indicates that this target is lost and is no longer being
tracked. Appears as a flashing symbol with a red colored “X”.
Acquisition zone target. Appears when a target is acquired by the
acquisition zone. Target symbol flashes in red color.
Selected target. Indicates that the target is selected for data display
(range, bearing, speed, etc.).
Reference target. Indicates that this target is selected as a reference
point for speed calculations.
Trial maneuver indication (IMO-types only)
TT simulation mode indication
R
T
S
R
Three minutes later
Summary of Contents for FAR-2218
Page 132: ...1 OPERATIONAL OVERVIEW 1 110 This page is intentionally left blank ...
Page 176: ...3 TARGET TRACKING TT 3 36 This page is intentionally left blank ...
Page 202: ...4 AIS OPERATION 4 26 This page is intentionally left blank ...
Page 232: ...5 VIDEO PLOTTER OPERATION 5 30 This page is intentionally left blank ...
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