Choosing Display Sector - Furuno CH-270 Operator's Manual

3.5

Choosing Display Sector

Sector means the width of the transducer training, from 6° to 180°.
The [SECTOR] control chooses 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
width
6 12
(°)
One-touch selection of 180° ° ° ° sector
1. Press the [FULL/HALF] key. A half-circle display of 180° is presented, and "FULL"
momentarily appears at the top of the display.
2. Press the [FULL/HALF] key again, and a 120°-sector display is presented, and
120° momentarily appears at the top of the display.
Note: Operating the [SECTOR] control after step 1 in the procedure above will display the
180° sector at the next pressing of the [FULL/HALF] key.
Sector set with
SECTOR control
FULL/HALF
24 °
°
24
3 4 5 6
24 36 48 60
Half circle
°
180
key
How the FULL/HALF key works
Sector (Shown: 24
Sector
7 8 9 10
72 84 96 108
FULL/HALF
0 °
key
°
180
3. VERTICAL SCAN MODE
° )
11 12 13 14
120 132 144 156
°
180
°
120
15 16
168 180
°
0
3-7