Echo Trails; Trail Time - Furuno 1833 Operator's Manual

2. RADAR OPERATION
2.18

Echo Trails

Echo trails are simulated afterglow of target echoes that represent their
movements relative or true to own ship. This function is useful for alerting you
past possible collision situations.
2.18.1

Trail time

1. If not displayed, press the [HIDE/SHOW] key to show the radar soft keys.
2. Press the TARGET soft key.
3. Press the TRAIL soft key.
4. Press the TRAIL TIME soft key to show the trail time window.
2-24
Echo trail
Sample echo trails
.125nm
.250/ 319.9 M
SP
HU
Trail soft keys
TRAIL TIME
¤
15 seconds
¡
30 seconds
¡
1 minute
¡
3 minutes
¡
6 minutes
¡
15 minutes
¡
30 minutes
¡
CONTINUOUS
Trail time window
TRAIL
TRAIL
ON /OFF
TRAIL
TIME
GRAD
SINGLE
HIGH
RETURN
359.9 R
+
0.277nm