Raymarine LIGHTHOUSE 3, Advanced Operation Instructions

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Control Name Description
‘TVG’ Time Varied
Gain
The control determines the amount of attenuation
applied throughout the water column to ensure that
targets of a similar size appear the same regardless
of depth.
A higher value produces weaker targets and less
noise onscreen.
The control can be set to 1 of 3
Auto modes or can
be set to Manual .
All to Auto Sets all Sensitivity settings to Auto with 0% offset.
11.7 Fishfinder settings menu
The table below lists settings applicable to the Fishfinder app and their location within the app
Settings menu. The settings available are dependant upon the Sonar module in use.
Sonar display tab
Settings Description Options
Color palette Various color palettes are available to suit
different conditions or your personal preference. List of color palettes.
View selection
buttons Enables and disables SideVision™ Left , Right and
Both onscreen channel selection icons.
• On
• Off
A-scope A-Scope mode provides a splitscreen view that
includes the normal scrolling sonar image and a
smaller pane which shows a ‘live’ image of what
is directly below your transducer. • Off
• Center
• Right
• Cone
Bottom lock Bottom lock flips the range indication so that the
bottom always appears flat. • On
• Off
Range lines
Displays vertical range lines when viewing. • On
• Off
Depth lines
Displays horizontal depth lines.
• On
• Off
White line Displays a solid white line along the bottom
contour. • On
• Off
Bottom fill Displays a solid color fill for the bottom. • On
• Off
Color threshold Color threshold determines the signal strength
below which target returns are not shown.
A low value results in only the strongest colors or
lightest shades being displayed. • 0% to 100%
Scroll speed Determines the scrolling speed for the Sonar
image. • 10% to 500%
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