4. AIS OPERATION

4.14Lost Target

When AIS data is not received from a target at prescribed interval (3-5* report intervals), the audio alarm sounds and the target symbol (flashing) appears as below.

Lost target symbol

*The interval at which AIS data is sent depends on speed of AIS transponder equipped vessel, and it is shown in the table below. For further details, consult the operator’s manual for the AIS transponder.

Ship speed and reporting interval

Ship speed

Reporting interval

 

 

0-14 kts

Every 10 seconds

 

 

23 kts or higher

Every two seconds

 

 

4.14.1Removing all lost AIS targets from the display

All lost AIS targets may be removed from the display as follows:

1.Press the MENU key to open the menu.

2.Choose AIS and press the ENTER key.

3.Choose ACK Lost Target and press the ENTER key. The confirmation window appears.

Are you sure?

Yes

No

4.Choose Yes and press the ENTER key.

5.Press the MENU key to close the menu.

4.15Symbol Color

You may choose the AIS symbol color from among Green, Red (not available with IEC specifica- tion), Blue, White or Black.

1.Press the MENU key to open the menu.

2.Choose ARP and press the ENTER key.

3.Choose Symbol Color and press the ENTER key.

Green

Red

Blue

White

Black

4.Choose appropriate color and press the ENTER key.

5.Press the MENU key to close the menu.

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Furuno FR-8252 manual Removing all lost AIS targets from the display, Ship speed and reporting interval, Lost target symbol