Displaying Past Positions Of Ais Targets - Furuno 1824C-BB Operator's Manual

5. AIS OPERATION

5.11 Displaying Past Positions of AIS Targets

You can display time-spaced dots (maximum ten dots) marking the past positions of any
AIS 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
To turn the AIS past position display on or off:
1. Press the MENU key to display the main menu.
2. Press the E: SYSTEM CONFIGURATION soft key.
3. Press the A: GENERAL SETUP soft key.
4. Press the C: AIS OPTION soft key to show the AIS OPTION menu.
5. Choose HISTORY INTERVAL and then press the A: EDIT soft key.
HISTORY INTERVAL
▲
OFF
30 seconds
1 minute
3 minutes
6 minutes
▼
History interval window
6. 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.
7. Press the C: ENTER soft key.
8. Press the MENU key to close the menu.
5-8
(b) Ship running
straight
AIS past position displays
(c) Ship reduced
speed
(d) Ship increased
speed