Noise Filter - Simrad SH90 - REFERENCE MANUAL REV A Reference Manual

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Movements dialog options
• + (plus): Click to increase the time.
• – (minus): Click to decrease the time.
• : Click to close the parameter dialog.
Close
• : Click to access the on-line help.
Help
Related topics
• How to enable target track on page 55
• Setup menu on page 98

Noise Filter

Dialog description
The parameter dialog opens when you click the
Noise Filter
button on the
Filter Horizontal
This parameter dialog allows you to control the built-in filter
designed to remove unwanted acoustic noise from the sonar
picture. It will reduce the interference from other acoustic
systems (sonars and echo sounders) on your own vessel and from
other vessels in the vicinity. It will also suppress the noise from
your own propellers and from other similar noise sources.
Noise Filter dialog options
• : Click to switch the noise filter off.
Off
• : Click to switch the noise filter on, but only for weak
Weak
filtering.
• : Click to switch the noise filter on with medium
Medium
strength.
• : Click to switch the noise filter on with full strength.
Strong
• : Click to close the parameter dialog.
Close
• : Click to access the on-line help.
Help
Related topics
• Horizontal menu on page 92
menu.
Parameters
Noise
145