Garmin 3206 GPS Receiver User Manual


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84 GPSMAP 3206/3210 Owner’s Manual
usIng sonar > sonar tab
sonar
To calibrate the water speed:
1. OntheSonartab,presstheCal Water Spdsoftkey.
2. Bringtheboattocruisingspeed.Boththetopgroundanduncalibrated
waterspeedsareshownatthebottomofthecalibrationwindow.Noteyour
topspeed,stoptheboat,andpressENTER.
3. Bydefault,thetopgroundspeedautomaticallyappearsinthe“What
was your top water speed?”eld.Ifagroundspeedisnotavailable,
thetopuncalibratedwaterspeedisusedinstead.Ifthenewspeedis
correct,highlightOK,andpressENTER.Ifyouwanttomanuallyentera
calibration,pressENTERonthespeedeld,enteranewspeed,andpress
ENTER.
Graph Sub Tab
Use the Graph sub tab to select the color scheme, sh symbols, and scale.
The available Graph sub tab options are:
Color Scheme—sets the colors for the Sonar and Flasher Pages.
Fish Symbols—sets how the Sonar Page interprets suspended targets
and background information. If you select a sh symbol, the
GPSMAP 3206/3210 identies some returns for you by replacing
them with sh symbols (in large, medium, and small sizes based on the
size of the sonar return). If you are using dual beam, sh symbols from the
narrow beam (directly underneath your boat) are solid, and the returns from
the wide beam (out to the sides of your boat) are hollow.
the Sonar Page does not interpret the sonar return data.
Suspended targets appear as symbols. No background
information appears
Same as previous with the target depth shown.
Suspended targets appear as symbols. Background information
appears, making the distinction between sh and structure easier.
Same as previous with target depth shown.
Scale—controls the appearance of the depth scale shown vertically along
the right side of the graph. You can congure the depth scale to appear in
one of four different ways: as an Overlay, in the Corners, Basic, or No
Scale.
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