GPS Receiver Owner's Manual
Table Of Contents
- Introduction
- Getting Started
- Using Charts
- Using the Navigation Chart
- Changing the Navigation Chart Settings
- Using the Split Navigation Chart
- Using Perspective 3D
- Using Mariner’s Eye 3D
- Using Fish Eye 3D
- Using Fishing Charts
- Enabling High Resolution Satellite Imagery
- Viewing Aerial Photos
- Viewing Current-station Information
- Detailed Road and POI Data
- Using Automatic Guidance
- Using the Chart/Sonar Screen
- Where To?
- Viewing Information
- Configuring the Chartplotter
- Using Sonar
- Using Digital Selective Calling (DSC)
- Using XM WX Weather and Audio
- Appendix
- Index
GPSMAP 400/500 Series Owner’s Manual 47
Using Sonar
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 dene and adjust settings universal to
all sonar screens.
From the Home screen, select Sonar > Sonar Setup.
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 sh
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.
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.
Whiteline
—highlights the strongest signal from the bottom to help
identify its hardness or softness.