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

2.4

Selecting Sector Width

Sector means the width of the transducer training.
The [SECTOR] control selects the training (display) 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 24
width ( )
In the full-circle mode (360 ) the direction of training is clockwise; in the half-circle mode the
direction is clockwise to counterclockwise alternately.
One-touch selection of 360 sector
Each pressing of the [FULL/HALF] key alternately selects 360 sector (full circle) or 168 sector
(half circle). If the [SECTOR] control is operated following the selection of the full-circle display,
the next pressing of the [FULL/HALF] key presents the full-circle display.
Sector set with
SECTOR control
2-4
96
Figure 2-4 Display sector
3 4 5 6
48 72 96 120
FULL/HALF
key
Figure 2-5 How the FULL/HALF key works
Display sector
(shown: 96˚)
7 8 9 10
144 168 192 216
Full circle
FULL/HALF
key
11 12 13 14
240 264 288 312
Half circle
168
15 16
336 360