Users Manual Part 9

APPENDIX 6 SYMBOLS

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TT/AIS symbols

Note: For C-types, you can change the TT symbol shape to one of the following symbols. You can

also change the color of the selected symbol.

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

Three minutes later

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