Section 18 Setting up the Operation Mode 18-22
Setting Item Description of Setting Setting Value
Ring Filter When this is selected, the Ring Filter is
displayed on the dialog box and filtering is
performed in the operation mode being
selected in Filtering mode.
To enable: Select.
To disable: Clear.
Distance Set up the distance of the Ring Filter. When
entry is confirmed, the entered value takes
effect immediately.
0.0 to 120.0 NM
Filtering Mode Select an operation mode of the AIS/TT filter.
Display: Targets cannot be displayed outside
of the AIS/TT filter range.
Priority: Priority is determined within the
range of the AIS/TT filter and targets
are displayed based on the priority.
Display
Priority
Creating a filter in the dialog
Creating a Sector Filter
1 Click on the [Sector] tab.
2 Click on [Make Target Filter].
The button is highlighted and the cursor mode is set to the Make Target Filter mode.
3 Move the cursor, place it on the starting angle of the Sector filter you want to set up,
and then click on it.
4 Move the cursor, place it on the end angle of the Sector filter you want to set up, and
then click on it.
Creating a Ring Filter
1 Click on the [Ring] tab.
2 Click on [Make Target Filter].
The button is highlighted and the cursor mode is set to the Make Target Filter mode.
3 Move the cursor, place it on the distance of the Ring filter you want to set up, and then
click on it.
When the AZ function is ON, a distance smaller than the outer arc of AZ cannot be set for the Ring
<Priority setting>
• The sleeping target in the AIS/TT filter has a higher priority than the sleeping target outside of
the AIS/TT filter (preferentially displayed).
<AIS/TT Filter OFF>
• The sleeping target in the AIS/TT filter has the same prioirty as the sleeping target outside of
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