Furuno FAR-2107(-BB) - Manual (Page 70)

1. RADAR OPERATION
1-48
1.30.2 Trail time
Trail time, the trail plotting interval, may be selected as follows:
1. Select the arrow in the TRAIL MODE box at the bottom right corner of the
screen.
* TRAIL **
* TRUE-S(or -G) or REL
S: Sea stablized
G: Ground stabilized
** Trail time setting
TRAIL MODE box
2. Push the left button to select the trail time as below.
Control Available setting
Left button OFF, 15 sec, 30 sec, 1 min, 3 min, 6 min, 15 min, 30 min,
CONT(inuous)
Scrollwheel OFF, 15 sec, 30 sec, 1-30 min (30 sec intervals),
CONT(inuous)
The timer above the TRAIL MODE box counts up the trail time and is erased
once the terminal count is reached. For example, if the trail time is six minutes,
the timer is erased when trails have been plotted six minutes. The maximum
time for continuous plotting is 99:59.
1.30.3 Trail gradation
The afterglow can be selected in a single tone or gradual shading.
Monotone
(Single)
Gradual shading
(Multi)
Trail gradation
1. Right-click the TRAIL MODE box to display the TRAIL menu.
2. Select 2 TRAIL GRAD.
3. Select SINGLE (single) or MULTI (multiple) as appropriate.
4. Push the right button to close the menu.