Simrad SX90 Quick Start Manual page 57

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Noise Filter
The removes unwanted acoustic noise from the SX90 presentation. It reduces
Noise Filter
the interference from other acoustic systems (sonars and echo sounders), as well as the
noise from the propellers.
•
Horizontal Scroll
The
Horizontal Scroll
right towards left in the Echogram view. The "speed" is controlled by adjusting the
number of pixels used to present each ping. A higher speed reduces the resolution.
•
Vertical Reference
The function is only available in the Vertical view, as well as the vertical Navigation view.
386619/C
function controls how fast the echo presentation shall move from
Menu system
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