Furuno FR-1710 - Manual (Page 38)

1-24
3. Press the [5] key to select ON or OFF from
the TRAIL COPY field as appropriate.
4. Press the [ENTER/SELECT] key and
[MENU] key in order.
Resetting target trails
To reset (or clear) the target trail memory, hold
the [TGT TRAIL] key depressed for about 3
seconds. Target trails are cleared and the
trailing process restarts from time count zero
at current target trail plot interval. Note that
target trails are also restarted when the shift
feature is turned on or the range is changed.
Trail brilliance
The brilliance of target trails can be adjusted
on the BRILL menu as follows:
1. Press the [MENU] key.
2. Press the [9] key twice to display the
BRILL menu.
BRILL
1. TGT TRAIL
2. CHARACTER
3. HDG LINE
4. EBL/VRM
5. CURSOR
6. MARK
7. PLOT
8. OS SYMB
9.
↓
*
* Requires RP-17 Board.
Figure 1-35 BRILL menu
3. Press the [1] key twice to select TGT
TRAIL.
4. Operate the VRM rotary control to adjust
brilliance. Current brilliance is shown by
the BRILL bar graph at the top right-hand
corner of the screen.
5. Press the [ENTER/SELECT] key to con-
clude your selection followed by the
[MENU] key to close the menu.
Thin trails
Target trails may be painted with thinner lines
if desired. This can be useful when there are
a lot of targets on the screen.
1. Press the [MENU] key.
2. Press the [2] key twice to select TGT
TRAIL.
3. Press the [6] key to show THIN TRAIL ON
or OFF as appropriate.
4. Press the [7] key to select 1, 2, 3 or 4 as
appropriate. When there are a lot of tar-
gets on the screen, select a larger num-
ber (for thinner trails); select a smaller
number when there are few targets. The
default setting is 1.
5. Press the [ENTER/SELECT] key and
[MENU] key in order.
Trail afterglow
The strength of the synthetic afterglow to re-
main on the display may be selected as fol-
lows:
1. Press the [MENU] key.
2. Press the [2] key twice to select TGT
TRAIL.
3. Press the [4] key to select desired level
from the LEVEL field; “3” displays only the
highest level of afterglow.
4. Press the [ENTER/SELECT] key and
[MENU] key in order.