SeaBat Sonar UI - User Manual
Operation
31
Figure 4-20
With a swath of 120° the maximum steering is ±25° (85°-(120°/2))
Figure 4-21
With a swath of 60° the maximum steering is ±55° (85°-(60°/2))
4.3.3 Coverage Angle
The (coverage) angle allows the operator to change the swath width.
Figure 4-22
Coverage Angle
The Default button
resets the coverage angle to the maximum
angle depending on the selected beam mode. (The horizontal steering will
also be reset.)
4.3.4 Frequency
For a dual-frequency system, the frequency setting allows the operator to
switch the frequency on the fly without restarting the 7K Center. All sonar
controls will then be dedicated to the selected frequency.
Figure 4-23
Frequency
Lower frequency provide a long-range functionality and the higher
frequency a high-resolution functionality with a shorter range.
For the T-Series sonars (T20-P, T20-S etc.) the frequency is controlled by
a slider.
60°
90°
85°
5°
25°
30°
90°
85°
5°
55°
