Echo Trails; Trail Time - Furuno NAVNET GD-1920C Operator's Manual

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 to show the trail soft keys.
4. Press the TRAIL TIME soft key to show the trail time window.
5. Use the Trackball to select time desired.
6. Press the ENTER soft key.
7. Press the RETURN soft key twice to finish.
Echo trail
Sample echo trails
3nm
12/
LP
H-UP
Trail soft keys
TRAIL TIME
15 seconds
30 seconds
1 minute
3 minutes
6 minutes
15 minutes
30 minutes
CONTINUOUS
Trail time window
2. RADAR OPERATION
M
319. 9
TRAIL
TRAIL
ON /OFF
TRAIL
TIME
GRAD
SINGLE
TRAIL
COLOR
RETURN
359.9 ˚R
+
11.70
nm
2-17