Furuno 1712 Marine RADAR User Manual


 
10
2.17 Shifting the Display
Your vessel's position can be shifted backward
by 1/3 of the range to increase the forward
range without changing the range or size of
targets.
Press the [SHIFT] key to turn the shifted display
on/off.
Press
[SHIFT]
Normal display Shifted display
Figure 2-15 Shifting the display
2.18 Zoom
The zoom feature allows you to double the size
of the area between your vessel and any
location within the current range to take a closer
look at an area of interest.
1. Select location to zoom with the cursor.
2. Press the [ZOOM] key.
Cursor
Cursor
1) Place cursor
where desired.
2) Press [ZOOM].
Press
[ZOOM]
ZOOM
ZOOM on (flashing)
Figure 2-16 Zoom function
3. To turn off the zoom function, press the
[ZOOM] key again.
Note 1:
Zoom is inoperative when the display is
shifted.
Note 2:
Zoom is not available on 0.125 (1/8) nm
range.
2.19 Target Trails
Target trails are simulated afterglow of target
echoes that represent their movements relative
to own ship.
3M TRAIL
Trail time
(3 min)
Figure 2-17 Target trails
Starting target trail
Press the [TRAIL] key to start the echo trail
function. "TRAIL" and the target trail time
selected appear at the top right-hand corner on
the screen. Then, afterglow starts extending
from all targets.
Canceling target trail
Press the [TRAIL] key to erase target trails and
target trail indications.
Trail time
1. Press the [MENU] key to open the menu.
2. Select TRAIL TIME (on page 2 of the menu).
3. Select target trail time desired; continuous,
30 seconds, 1, 3 or 6 min as appropriate.
4. Press the [MENU] key to register your
selection and close the menu.
Trail brilliance
1. Press the [MENU] key to open the menu.
2. Select TRAIL BRILL (on page 2 of the
menu).
3. Select HIGH or LOW as appropriate.
4. Press the [MENU] key to register your
selection and close the menu.