Selecting Display Sector - Furuno CH-250 Operator's Manual

3.5

Selecting Display Sector

Sector means the width of the transducer training, from 6 to 180
The [SECTOR] control selects the training area among the sixteen positions shown in the table
below. Clockwise rotation of the control increases the sector width; counterclockwise rotation
decreases it.
1 2
Sector
6 12
width ( )
One-touch selection of 180 sector
1. Press the [FULL/HALF] key. A half-circle display of 180 is presented.
2. Press the [FULL/HALF] key again, and a 120 -sector display is presented.
Note: Operating the [SECTOR] control between steps 1 and 2 in the procedure above displays
the 180 sector at the next pressing of the [FULL/HALF] key.
Sector set with
SECTOR control
24˚
24˚
Figure 3-6 Sector
3 4 5 6
24 36 48 60
180˚
FULL/HALF
key
Figure 3-7 How the FULL/HALF key works
Sector (Shown: 24˚)
7 8 9 10
72 84 96 108
Half circle
FULL/HALF
0˚
key
180˚
11 12 13 14
120 132 144 156
180˚
120˚
15 16
168 180
0˚
3-5