GPSMAP 5000 Series Owner’s Manual 51
uSInG Sonar
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sonar
Low—the least sensitive setting. Only the strongest returns are highlighted in white.
Overlay Numbers—shows or hides water temperature, water speed (if your transducer is capable),
and navigation.
NOTE: To show water temperature or water speed, change the setting to Auto. If the connected
transducer is capable, the data is shown.
Advanced Sonar Settings
To adjust advanced sonar settings, touch Menu while viewing a sonar screen.
Range—the range of the depth scale on the right side of the screen (Auto or touch Up or Down to
manually adjust).
Gain—controls the sensitivity of the sonar receiver (Auto or touch Up or Down to manually adjust).
To see more detail, increase the gain. If the screen is cluttered, decrease the gain.
Frequency—when using a dual frequency transducer, selects how the frequencies appear on screen
(200kHz, 50kHz, or Dual).
Zoom—zooms in to a section of the Full Screen. The zoom is off (No Zoom) by default. Three
options are available:
2x Zoom—twice the magnication. Select Up, Down, or Auto to set the depth range that is
being magnied.
4x Zoom—four times the magnication. Select Up, Down, or Auto to set the depth range that
is being magnied.
Bottom Lock
—locks the zoom window to the bottom. Select Up or Down to set the depth
range.
Depth Line—
quickly references a specic depth (On or Off). When On is selected, touch and drag
the line to set the depth of the reference line.
A-Scope—
a vertical asher along the right side of the screen (On or Off).
Sonar Setup
—opens the Sonar Setup screen. See page 50.
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