Choosing Sector Width - Furuno CH-300 Operator's Manual

2. HORIZONTAL MODE
2.4

Choosing Sector Width

You may set the width of the scanned sector.
The SECTOR control chooses the width of the scanned sector 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 24 48
(°)
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 chooses 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
Sector width
3 4 5 6
72 96 120 144 168 192 216 240 264 288 312 336 360
FULL/HALF
key
How the FULL/HALF key works
Display sector
(shown: 96˚)
7 8 9 10
Full circle
FULL/HALF
key
11 12 13 14
Half circle
168
15 16