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

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Panel Backlight dialog options
• + (plus): Click to increase the backlighting intensity.
• – (minus): Click to decrease the backlighting intensity.
• : Click to allow manual control of the backlighting
Manual
intensity.
• : Not used.
Auto
• : Click to close the parameter dialog.
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Related topics
• Display menu on page 97

PP Filter

Dialog description
The parameter dialog opens when you click the
PP Filter
button on the
Filter Horizontal
This filter reduces unwanted noise and echoes from the screen.
The filter has three different strengths. As the ping-to-ping filter
compares the echoes from the last two (weak), four (medium) or
eight (strong) pings, it will take this selected amounts of pings
to make a stable presentation when changing most of the sonar
functions. The filtering routine takes the vessel's movements into
consideration when comparing the echoes from ping to ping.
For more information, see also What is the PP Filter? on
page 178.
, and
Vertical Vertical 180
Parameters
PP
menus.
147