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Advanced sonar settings – Garmin GPSMAP 545s User Manual

Page 59

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GPSMAP 400/500 Series Owner’s Manual

53

Using Sonar

data bars—show or hide battery voltage, water temperature, water

speed (if your transducer is capable), cruising, and navigation.
NOTE: To display water temperature or water speed, the connected

transducer must be capable of measuring water temperature, water

speed, or both. Select

auto

to display the values.

appearance—customize the display of fish symbols, whiteline, and

the sonar color scheme.
fish Symbols—set how the sonar interprets suspended targets.

The unit 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

displayed.
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

displayed.

whiteline—highlights the strongest signal from the bottom to

help identify its hardness or softness.

Off (default)—turns off whiteline.
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—select

white

or

blue

. This affects the background

on all sonar screens, but does not change the Temp Log screen.

Advanced Sonar Settings

To adjust advanced sonar settings, press

MENU

while viewing a

sonar screen.
Pause Sonar—stops the scrolling of the sonar screen.

To mark a waypoint at a selected depth:

1. While viewing a sonar screen, press

MENU

>

Pause Sonar

.

2. Use the

Rocker

to position the pointer over the fish or structure

you want to mark.

3. Press

SELECT

.

From the paused screen, press

MENU

>

Resume Sonar

to

continue scrolling.