Furuno NAVNET 1724C - Manual (Page 50)

2. RADAR OPERATION
2-19
.250/ 319.9 ° M .125nm
SP
H-UP
HIGH
+
359.9 ° R
0.24nm
TRAIL
TRAIL
TIME
TRAIL
COLOR
RETURN
GRAD
SINGLE
TRAIL
ON /OFF
Trail soft keys
4. Press the TRAIL TIME soft key to show the trail time window.
TRAIL TIME
▲
~ 15 seconds
{ 30 seconds
{ 1 minute
{ 3 minutes
{ 6 minutes
{ 15 minutes
{ 30 minutes
{ CONTINUOUS
▼
Trail time window
5. Use the Cursor pad to select time desired.
6. Press the ENTER soft key.
7. Press the RETURN soft key twice to finish.
2.18.2 Starting echo trails
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 ON/OFF soft key to select ON.
5. Press the RETURN soft key twice to finish.
“TRAIL,” the echo trail time selected and elapsed time appear at the top right-hand corner
of the display. Then, afterglow starts extending from all targets. Trails are restarted when
the range or mode is changed and zoom or shift is turned on.
For continuous trails, the maximum continuous trail time is 99 minutes and 59 seconds.
When the elapsed time clock counts up to that time, the elapsed time display resets to zero
and trails begin again.
To turn off echo trail, press the TRAIL ON/OFF soft key to select OFF at step 4 in the above
procedure.
Trails are restarted when the range or mode is changed and zoom or shift is activated.