Displaying Target Id No. (Target Number Display); Setting Ais Filter (Ais Filter Setting) - JRC JMA-5312-6 Instruction Manual

5.3.6 Displaying Target ID No. (Target Number Display)

When an AIS target is activated, a target ID number is displayed next to the AIS target symbol.
A target ID number 1 to 100 is assigned to each target in activation order. Once a target ID number is
assigned, it identifies the target until the target is lost or deactivated.
Procedures 1
2
3
Note: An ID number or ship's name is always displayed for only targets with which numeric value is
displayed.

5.3.7 Setting AIS Filter (AIS Filter Setting)

About an AIS filter
By setting an AIS filter, an AIS target in the area can be displayed by priority or only the targets in the area
can be displayed. An AIS filter is initially set in a circle having a radius of 20 [nm] from the CCRP. If
301 or more AIS targets exist in the filter range, they are displayed in the priority order explained in Section
5.1.2 Symbols - Types and Definitions of AIS Target Symbols.
Types of AIS Filters (Filter Type)
There are the following 3 types of AIS filters:
Range :A filter is set in a circle with a set range as the radius.
Sector :A filter is set in a sector formed by two bearings with the bow as reference.
Zone :A filter is set in a zone formed by two bearings and two ranges with the bow as reference.
Procedures 1
Press the [RADAR MENU] key twice.
Open the Target Number Display menu by performing the following
menu operation.
7. AIS Menu
→ 5. Target Number Display
Press the [numeric] key corresponding to the display method to be
set.
On : Displays target ID numbers.
Off : Hides target ID numbers.
Target Track : Displays target ID number with AIS track.
Ship's Name : Displays the ship's name.
If there are many tracking targets and their symbol display is confusing, set Target
Number Display to off to view the radar display easily.
Put the cursor on the AIS filter mode switching (TT / AIS information
⑫ on page 2-23), and press the [ENT] key to select the filter to be
set.
The AIS filter will be selected.
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