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AIS
10-11
10.10 Automatic Target Activation
You may automatically activate all targets within a specific distance from own ship as below.
Note that you may also automatically activate all targets within the ARPA’s automatic
acquisition zone or guard zone. When a target enters the ARPA’s automatic acquisition
zone or guard zone, it is automatically marked with the activated target symbol. If the
activated target goes out of the ARPA automatic acquisition zone or the guard zone it still is
an activated target. When a target enters the guard zone, the display shows “A-GZ” at the
lower right hand corner of the display.
1. Press the [F2] key to open the AIS(1) menu.
2. Press the [0] key twice to show the AIS(2) menu.
3. Press the [7] key (Auto Activate).
4. Press the [7] key again to choose ON and then press the [ENTER/SELECT] key.
5. Press the [ENTER/SELECT] key.
6. Use the numeric keys to enter automatic activation range (000.1 to 999.9 nm).
7. Press the [ENTER/SELECT] key.
8. Press the [MENU] key to close the AIS menu.
10.11 Lost Target Range
Set the distance at which an AIS target is declared a lost target when no AIS data is
received for six minutes or five reporting intervals, whichever is the shorter. When this
feature is activated the following occurs:
•
Sleeping targets within the lost target range for which no data is received are marked with
the lost target symbol.
•
Sleeping targets out of the lost target range are erased.
•
Any activated AIS target from which you are not receiving AIS data is marked with the lost
target symbol regardless of range to the target.
1. Press the [F2] key to open the AIS(1) menu.
2. Press the [0] key twice to show the AIS(2) menu.
3. Press the [8] key (Lost Target Range).
4. Use the numeric keys to enter lost target range (000.1 to 999.9 nm).
5. Press the [ENTER/SELECT] key.
6. Press the [MENU] key to close the AIS menu.
To disable this feature, enter all zeroes at step 4 in the above procedure.