User's Manual

Chapter 4 Target (AIS, TT and Trial manoeuvre) MDC-7000P/7900P Series
0093169006-05E 4-6
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 and
TIME REPRIEVE.
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)
ECHO VECT
TRAIL CPA/TCPA
DISPLA Y A IS ID DISP TY PE
ALA RM TT ID DISP TYPE
TA RGET
⇒
ID DISP SIZ E
NAV TOOL INPUT RNG ASSOCIA TION
OFF/TT/AIS
MAP ASSOCIATION
⇒
CHG SELECTED TGT
BRILL AUTO ACQ AREA SETTING
RNG/CRS/SPD/SPD LIM/TIME REPRIEVE
SYSTEM BRG REL
MA INTENA NCE WIDTH