How To Enable/Disable The Lost Target Alert; Rot Setting - Furuno FAR-2218-BB Operator's Manual

4. AIS OPERATION
Filter type
[MIN SHIP SPEED]
[EXCEPT CLASS B]
8. Select [ON], then press the ENTER MARK key. The settings can now be adjust-
ed.
9. Spin the scrollwheel to adjust the setting as required, then left-click to apply the
setting.
10. Close the menu.
4.12.2

How to enable/disable the lost target alert

The [LOST TARGET] box, located at the bottom-right corner of the screen, enables
and disables the lost target alert.
Select the box with the cursor, then left-click to cycle through the settings in the follow-
ing order: [OFF]
• [OFF]: Disable the alert.
• [FILT]: Enable the alert for all lost targets, excluding filtered targets.
• [ALL]: Enable the alert for all lost targets, including filtered targets.
4.13

ROT Setting

You can set the lower limit of the ROT (Rate Of Turn) at which the heading line on
target symbols will point in direction which the vessel is turning.
1. Open the menu.
2. Select [5 TT•AIS].
3. Select [4 TT•AIS SYMBOL].
4. Select [4 AIS ROT TAG LIMIT], then left-click. The settings can now be adjusted.
5. Spin the scrollwheel to adjust the ROT as appropriate, then left-click. The setting
range is 000.0°/min to 720.0°/min.
6. Close the menu.
4-16
Any AIS targets slower than this setting will not trigger the lost
target alert.
Select ON to prevent AIS targets class B triggering the lost tar-
get alert.
[FILT] [ALL] [OFF]...
OFF
ROT display
Definition
Lost target
filter setting
Ship turning
to starboard