Furuno color video plotter GD1720C - Manual (Page 49)

2. RADAR OPERATION
2-18
To cancel the offset EBL, press the OFFSET soft key.
.250/ 319.9
°
M .125nm
SP
H-UP
+
359.9 ° R
0.24nm
Target A
Target B
Bearing and range
between target A
and target B
EBL
VRM
EBL1
ON
VRM1
ON
OFFSET
EBL2
ON
VRM2
ON
EBL1
45.0
°
R
VRM1
0.125nm
Measuring range and bearing between two targets
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.
Echo trail
Sample echo trails
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.