Furuno FR-1500 MARK-3 Series - Manual (Page 42)

-1.28-
1.28.3 Erasing all reference marks
1. Press the [MENU] key.
2. Press the [8] key twice to select MARK.
3. Press the [1] key twice.
4. Press the [MENU] key.
1.29 Zoom (R-type only)
The zoom function is available on the R-type radar only, and it enlarges an area of interest as large
as twice the normal viewing.
1. Place the cursor (+) close to the point of interest by operating the trackball.
2. Press and hold down the [SHIFT/ZOOM] key for about two seconds. The area around the
cursor and own ship is enlarged twice as large as the original size.
3. To cancel zoom, press and hold down the [SHIFT/ZOOM] key about two seconds.
Note:
The zoom feature is inoperative when the display is off centered.
Place the cursor at a
position of interest ZOOM in
(Regular type only)
Cursor
+