Garmin GPSMAP 541s Owner's Manual - Page 58

Understanding the Temp Log Screen, Setting Up Sonar, Sonar, Temp Log, Sonar Setup, Rocker

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Using Sonar Understanding the Temp Log Screen If you are using a temperature-capable transducer, the Temp Log screen keeps a graphic log of temperature readings over time. The current temperature and the depth are shown in the top-left corner. From the Home screen, select Sonar > Temp Log. Press MENU to set the duration and the scale for the log. Temp and depth Time elapsed Temperature range Temp Log The temperature appears along the right side, and the time elapsed appears along the bottom. The graph scrolls to the left as information is received. 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-adjust the rate at which the sonar scrolls from right to left (Ultrascroll™, Fast, Medium, or Slow). If using a speed-capable transducer, select Auto to have the scroll speed automatically adjust to the water speed of your boat. Surface Noise-show or hide 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). To set the depth of the reference line, select Show, and then press up or down on the Rocker. A-Scope-display a vertical flasher along the right side of the screen. 52 GPSMAP 400/500 Series Owner's Manual

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52
GPSMAP 400/500 Series Owner’s Manual
Using Sonar
Understanding the Temp Log Screen
If you are using a temperature-capable transducer, the Temp Log
screen keeps a graphic log of temperature readings over time. The
current temperature and the depth are shown in the top-left corner.
From the Home screen, select
Sonar
>
Temp Log
.
Press
MENU
to set the duration and the scale for the log.
Temperature
range
Time
elapsed
Temp
and
depth
Temp Log
The temperature appears along the right side, and the time
elapsed appears along the bottom. The graph scrolls to the left as
information is received.
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
—adjust the rate at which the sonar scrolls from
right to left (
Ultrascroll
™
,
fast
,
MeDium
, or
Slow
). If using a
speed-capable transducer, select
Auto
to have the scroll speed
automatically adjust to the water speed of your boat.
SurFace Noise
—show or hide 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
). To
set the depth of the reference line, select
Show
, and then press up or
down on the
Rocker
.
A-Scope
—display a vertical flasher along the right side of the
screen.