Fishfinder Settings Menu; Sonar Display Tab - Raymarine LIGHTHOUSE 3 Advanced Operation Instructions

Control Name
'TVG' Time Varied
Gain
All to Auto

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
Color palette
View selection
buttons
A-scope
Bottom lock
Range lines
Depth lines
White line
Bottom fill
Color threshold
Scroll speed
250
Description
Various color palettes are available to suit
different conditions or your personal preference.
Enables and disables SideVision™ Left, Right and
Both onscreen channel selection icons.
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.
Bottom lock flips the range indication so that the
bottom always appears flat.
Displays vertical range lines when viewing.
Displays horizontal depth lines.
Displays a solid white line along the bottom
contour.
Displays a solid color fill for the bottom.
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.
Determines the scrolling speed for the Sonar
image.
Description
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.
Sets all Sensitivity settings to Auto with 0% offset.
Options
List of color palettes.
• On
• Off
• Off
• Center
• Right
• Cone
• On
• Off
• On
• Off
• On
• Off
• On
• Off
• On
• Off
• 0% to 100%
• 10% to 500%