Furuno FR-2125V Operator's Manual page 90

Free selection of acquisition zones (Menu item: SET)
To set auto acquisition areas with trackball:
1. Press the [PLOT MENU] key to show the ARPA 1 menu.
2. Press the [3] key to select AUTO ACQ AREA.
3. Further press the [3] key to select (or highlight) SET.
4. Press the [ENTER] key to conclude your selection. At this point the AUTO ACQ SET-
TING menu is displayed.
5. Press the [2] key to select menu item "1/2" and press the [ENTER] key. Then, you will
see the message as shown below:
6. Place the cursor at the outer counterclockwise corner of the area (point A) and press
the [ENTER] key.
7. Place the cursor at the clockwise edge of the area (point B) and press the [ENTER]
key.
0.5-1.0nm
A
5-8
3.0-4.0 nm
Figure 5-5 Predefined auto acquisition areas
[AUTO ACQ AREA SET]
1 [ARPA (1)]
2 1/2
Figure 5-6 AUTO ACQ AREA SET menu
[AUTO ACQ SETTING]
1 [ARPA (1)]
2 1/2
Figure 5-7 AUTO ACQ SETTING menu
B
5.0-6.0 nm