Chapter 4 Target (AIS, TT and Trial manoeuvre) MDC-7000/7900 Series
0093169010-10
ASSOCIATION
When an AIS target and a tracked target of TT (ARPA) are the same target, it is automatically
associated to a single target.
Select priority of the association with either AIS or TT (ARPA).
If the low-speed ship is associated and displayed with TT priority, then HDG may be unstable. So, the
display with AIS priority is recommendable.
1 Press MENU key to display “Menu”.
Select [TARGET] => [ASSOCIATION] => [ASSOCIATION], and press ENT key after selecting the
setup value.
OFF: Association is turned off.
TT: Symbols of both TT (ARPA) and AIS are associated to TT (ARPA). However when the target of
AIS is sleeping target it is not associated.
AIS: Symbols of both TT (ARPA) and AIS are associated to AIS. However when the target of AIS is
sleeping target it is not associated.
[ASSOCIATION] can be changed directly at the upper right of the display, with trackball and ENT
key, without using menu function.
In addition, [CHG SELECTED TGT] and [SETTING] are provided.
[ASSOCIATION] changes priority of the association of all targets while [CHG SELECTED TGT]
changes priority of the association for selected target only.
[SETTING] designates conditional items of association among RNG, CRS, SPD, SPD LIM, TIME
REPRIEVE and RATIO.
RNG: It designates the range to determine association. (0.001NM to 1.000NM)
CRS: It designates the course to determine association. (10.0°to 60.0°)
SPD: It designates the speed difference to determine association. (1.0kn to 20.0kn)
SPD LIM: It designates the minimum speed to determine association. (1.0kn to 10.0kn)
TIME REPRIEVE: It designates the time to determine association. (1sec to 99sec)
RATIO: It designates the ratio to determine association. (0 to100)
ECHO VECT
TRAIL CPA/TCPA
DISPLAY CPA/TCPA
ALARM AIS ID DISP TYPE
TARGET
NAV TOOL ID DISP SIZE
MAP INPUT RNG ASSOCIATION
OFF/TT/AIS
BRILL ASSOCIATION
SYSTEM AUTO ACQ AREA SETTING
RNG/CRS/SPD/SPD LIM
MAINTENANCE BRG REL
TIME REPRIEVE/RATIO
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