Furuno FURUNO MARINE RADAR, 1953C-BB manual Displaying past position ARP, Past position displays

2. RADAR OPERATION

2.26.6Displaying past position (ARP)

This ARP can display time-spaced dots (maximum ten dots) marking the past positions of any targets being tracked. You can evaluate a target’s actions by the spacing between dots. Below are examples of dot spacing and target movement.

(a) Ship turning	(b) Ship running	(c) Ship reduced	(d) Ship increased
	straight	speed	speed

Past position displays

To turn the past position display on or off:

1.Press the [MENU] key followed by the C:ARP SETUP soft key.

2.Operate the trackball to select HISTORY INTERVAL.

3.Press the A:EDIT soft key to show the history interval window.

HISTORY INTERVAL

▲°￿

§OFF

30 seconds

1 minute

3 minutes

6 minutes

▼

History interval window

4.Operate the trackball to select history interval among 30 sec, 1 min, 3 min and 6 min, or select OFF to turn off the past position display.

5.Press the C:ENTER soft key.

6.Press the [MENU] key to close the menu.

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