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10. OTHER FUNCTIONS
10-2
10.1.2 How to find AIS target information
Put the cursor on an AIS target symbol to show AIS target information.
10.1.3 AIS activation range
The default AIS activation range is 5.0 nm. Any AIS target that is within 5.0 nm of your
boat is automatically activated. If you require a shorter or longer activation range, you
can change the range from the menu. Open the [SYSTEM] menu and select [AIS SET-
UP]. Select [ACTIVATION RANGE] and enter the range desired. (Note that tracking
continues internally on a maximum of 200 targets within 50 nm.)
10.1.4 CPA and TCPA alarms
The CPA alarm sounds when an AIS transponder equipped vessel comes within the
CPA alarm range set. The TCPA alarm alerts you when an AIS transponder equipped
vessel is within the time you specify.
Do the following to set the CPA and TCPA alarms:
1. Open the menu then open the [SYSTEM] and [AIS SETUP] menus.
2. Select [CPA ALARM] or [TCPA ALARM] as appropriate.
3. Line 1 in the window is selected; push the RotoKey
TM
then select [On].
4. Set the range (CPA alarm) or time of closest approach (TCPA alarm) on line 2.
5. Press the ESC/MENU key to close the menu
Name FURUNO
Latitude 34°39.0413N
Longitude 135°21.8571E
MMSI 456342110
Call Sign 1AB23
SOG 15.3 kn
COG 234°T
HDG 235°T
CPA 3.28 NM
TCPA 00:11:40
CPA alarm setting window TCPA alarm setting window