3. TARGET TRACKING (TT)
3-8
3.9.3 How to set the symbol color
1. Open the [MAIN MENU].
2. Select [TT•AIS], then push the ADJUST knob.
3. Select [TT•AIS SYMBOL], then push the ADJUST knob.
4. Select [SYMBOL COLOR], then push the ADJUST knob. The settings can now
be adjusted.
5. Select the appropriate color, then push the ADJUST knob.
6. Close the menu.
3.10 How to Display/Remove Target Data
The TT mode provides the full functionality of TT as required by the IMO Resolution
A.823(19) and IEC 62288, including display of range, bearing, course, speed, CPA
and TCPA of all tracked targets.
The target bearing is shown in relative bearing in the HEAD UP mode and true bearing
in the COURSE UP, NORTH UP and True Motion modes, with the suffix "R" (Relative)
or "T" (True).
The target speed and course are shown as speed over the ground or speed through
the water depending on speed source.
3.10.1 How to display target data
Place the cursor on a desired tracked target and press the TGT ACQ key. The target’s
shape changes to a square and the selected TT target’s data is shown in the data dis-
play area.
You can display the target data for two targets in one data box and the data for as
many as six targets can be displayed.
Indication Description
BRG Bearing from own ship to target in relative (R) or
True (T) reference.
RNG Range from own ship to target.
T COG Relative (R) or True (T) Course Over Ground of
target.
Displayed as "T CTW" where speed input is set to
[LOG(WT)].
Displayed as "R CRS" where speed data is not
available.
T SOG Relative (R) or True (T) Speed Over Ground of
target.
Displayed as T STW where speed input is set to
[LOG(WT)].
Displayed as R SPD where speed data is not
available.
CPA Closest Point of Approach of target to own ship.
TCPA Time to CPA of target to own ship.
BCR Bow crossing range of target.
BCT Bow crossing time of target.
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