Ais Operation; Restrictions - JRC JMA-5212-4/6 User Manual

5.3

AIS OPERATION

5.3.1 Restrictions

Attention
There are the following limitations on use of the AIS function,
system, and operation:
[I] This system can display up to a total of 130 targets.
Of which, up to 30 activated targets can be displayed.
There are 3 types of filters for controlling sleeping target
display.
(Refer to Section 5.3.8 "Setting AIS Filter (AIS Filter Setting)".)
[II] The following restrictions are placed on use of the AIS function.
x The AIS function is unavailable in the following cases:
MAN is selected for the speed sensor.
The current offset (Set/Drift Setting) is set while LOG or
2AXW is selected for the speed sensor.
The GPS geodetic system is used except WGS-84.
x
LOG or 2AXW cannot be selected for the speed
sensor in the following case:
The AIS function is turned on and the current offset
(Set/Drift Setting) is selected.
x
MAN cannot be selected for the speed sensor in the
following case:
The AIS function is On.
x Current offset (Set/Drift Setting) cannot be turned On in
the following case:
LOG or 2AXW is selected for the speed sensor while
* The AIS function is optional for non-MED ships.
Use of this function requires AIS I/F (option).
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