Garmin GPSMAP 4210 Owner's Manual - Page 56

Setting Up Sonar, Configuring Sonar Appearance

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Using Sonar Setting Up Sonar Use the Sonar Setup screen to define and adjust settings universal to all sonar screens. From the Home screen, select Sonar > Sonar Setup. Scroll Speed-adjusts the rate at which the sonar scrolls from right to left (Ultrascroll®, Fast, Medium, or Slow). If you are using a speed-capable transducer, select Auto to have the scroll speed automatically adjust to the water speed of your boat. Surface Noise-shows or hides the sonar returns near the surface of the water. Hide surface noise to help reduce clutter. Depth Line-quickly reference a specific depth (Show or Hide). When Show is selected, press up or down on the Rocker to set the depth of the reference line. A-Scope-creates a vertical flasher along the right side of the screen (On or Off). Overlay Numbers-shows or hides water temperature, battery voltage, water speed (if your transducer is capable), and navigation. If Auto is selected and the transducer is capable, the data is shown. Configuring Sonar Appearance From the Home screen, select Sonar > Sonar Setup > Appearance. Fish Symbols-sets how the sonar interprets suspended targets. The chartplotter does not interpret the sonar return data (default). Suspended targets appear as symbols. Background sonar information appears, making the distinction between fish and structure easier. Suspended targets appear as symbols with background information shown. The target depth of each symbol is also indicated. Suspended targets appear as symbols. No background information appears. Suspended targets appear as symbols with no background information shown. The target depth of each symbol is indicated. Whiteline-highlights the strongest signal from the bottom to help identify its hardness or softness. • Off-(default) Whiteline is disabled. • High-the most sensitive setting. Almost all strong returns are highlighted in white. • Medium-many strong returns are highlighted in white. • Low-the least sensitive setting. Only the strongest returns are highlighted in white. Color Scheme-choose white (black, if using Night mode colors) or blue. This affects the background on all sonar screens, but does not change the Temp Log screen. Using Sonar 52 GPSMAP 4000 Series Owner's Manual

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²2
GPSMAP 4000 Series Owner’s Manual
Using Sonar
U
SING
S
ONAR
Setting Up Sonar
Use the Sonar Setup screen to define and adjust settings universal to all sonar screens.
From the Home screen, select
Sonar
>
Sonar Setup
.
Scroll Speed
—adjusts the rate at which the sonar scrolls from right to left (
Ultrascroll
®
,
Fast
,
Medium
, or
Slow
). If you are using a speed-capable transducer, select
Auto
to have the scroll speed
automatically adjust to the water speed of your boat.
Surface Noise
—shows or hides the sonar returns near the surface of the water. Hide surface noise to
help reduce clutter.
Depth Line—
quickly reference a specific depth (
Show
or
Hide
). When
Show
is selected, press up
or down on the
Rocker
to set the depth of the reference line.
A-Scope
—creates a vertical flasher along the right side of the screen (
On
or
Off
).
Overlay Numbers
—shows or hides water temperature, battery voltage, water speed (if your
transducer is capable), and navigation. If
Auto
is selected and the transducer is capable, the data is
shown.
Configuring Sonar Appearance
From the Home screen, select
Sonar
>
Sonar Setup
>
Appearance
.
Fish Symbols
—sets how the sonar interprets suspended targets.
The chartplotter does not interpret the sonar return data (default).
Suspended targets appear as symbols. Background sonar information appears, making the
distinction between fish and structure easier.
Suspended targets appear as symbols with background information shown. The target
depth of each symbol is also indicated.
Suspended targets appear as symbols. No background information appears.
Suspended targets appear as symbols with no background information shown. The target
depth of each symbol is indicated.
Whiteline
—highlights the strongest signal from the bottom to help identify its hardness or softness.
Off
—(default) Whiteline is disabled.
High
—the most sensitive setting. Almost all strong returns are highlighted in white.
Medium
—many strong returns are highlighted in white.
Low
—the least sensitive setting. Only the strongest returns are highlighted in white.
Color Scheme
—choose white (black, if using Night mode colors) or blue. This affects the
background on all sonar screens, but does not change the Temp Log screen.
•
•
•
•