Understanding The Temp Log Screen; Setting Up Sonar - Garmin 400/500 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
Press MENU to set the duration and the scale for the log.
Temp
and
depth
Time
elapsed
Temp Log
52
Sonar Temp Log.
>
Temperature
range
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
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
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.
Sonar Sonar Setup.
>
auto to have the scroll speed
GPSMAP 400/500 Series Owner's Manual