Furuno 1823C manual Acquiring and tracking targets ARP, Manual acquisition, ARP plot symbols

2. RADAR OPERATION

2.26.2Acquiring and tracking targets (ARP)

Ten targets may be acquired and tracked manually and automatically. When you attempt to acquire an 11th target, the message “ARP FULL – ALREADY TRACKING 10 TARGETS!” appears for five seconds. To acquire another target, terminate tracking of an unnecessary target as shown in the paragraph “2.26.4 Terminating tracking of ARP targets.”

Manual acquisition

When the automatic acquisition (AUTO ACQ. AREA) is set to on, up to five targets may be acquired manually. If you attempt to acquire a sixth target, the alert message appears.

1.If not already shown, press the [HIDE/SHOW] key to show the radar soft keys.

2.Press the TARGET soft key.

3.Place the cursor on the target to acquire.

4.Press the ACQ soft key.

5.Press the RETURN soft key to finish.

The plot symbol changes over time as below. A vector appears about one minute after acquisition, indicating the target’s motion trend.

		Vector
01*	01*	01*		Target Number
At acquisition	1 min. after		3 min. after
	acquisition		acquisition

*= Target number shown when TARGET ID NUMBER is turned on in the ARP SETUP menu.

ARP plot symbols

Note: In case of the acquisition by an external ARP, the acquisition circle mark appears one minute after acquisition.

Automatic acquisition

The ARP can acquire up to ten targets automatically by setting an automatic acquisition area. When automatic acquisition is selected after acquiring targets manually, only the remaining capacity for targets may be automatically acquired. For example, if seven targets have been manually acquired, three targets may be automatically acquired.

1.Press the [MENU] key to show the main menu.

2.Press the ARP SETUP soft key to show the ARP SETUP menu.

3.Operate the trackball to select AUTO ACQUISITION AREA.

4.Press the EDIT soft key to show the automatic acquisition area window.

AUTO ACQ. AREA

▲

ON

OFF

▼

Automatic acquisition area window

5. Select ON, then press the ENTER soft key.

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