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1. OPERATIONAL OVERVIEW
1-10
1.5.3 Three-beam display
The three-beam display shows the images captured from the port, downward and starboard
directions.
Beam 1
(Starboard)
Beam 3
(Port)
Beam 2
(Downward)
* Beam direction
B: Bearing (angle from bow direction)
T: Tilt angle (angle from downward direction)
B:270
T: 10
20
40
60
80
0
B: 0
T: 0
20
40
60
80
0
B: 90
T: 10
20
40
60
80
0
Dividing
line
15
<3>
<0><3>
Horizontal range
from transducer
* Beam direction can
be shown with an
icon ( ). See
paragraph 3.2.
Three-beam display
Changing display area
The width of each display can be adjusted as follows:
1. Place the trackball pointer on a dividing line between displays, and the pointer changes
to a double-ended arrow (
).
2. Hold the left button while dragging the double-ended arrow with the trackball to adjust
width.
Beam 1Beam 3 Beam 2
20
40
60
80
0
40
20
40
60
80
0
20
40
60
80
0
Beam 2 picture width widened
Beam 1 picture width decreased