Garmin GPSMAP 3005C - Marine GPS Receiver Owner's Manual

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Contents

0 GPSMAP 3005C Owner’s ManualusIng sonAr > sonAr tAbThe 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 targetsand background information. If you select a fish symbol, theGPSMAP 3005C identifies some returns for you by replacingthem with fish symbols (in large, medium, and small sizes based on thesize of the sonar return). If you are using dual beam, fish symbols from thenarrow beam (directly underneath your boat) are solid, and the returns fromthe wide beam (out to the sides of your boat) are hollow.Symbols are turned off.Suspended targets appear as symbols. No backgroundinformation appearsSame as previous with the target depth shown.Suspended targets appear as symbols. Background informationappears, making the distinction between fish and structure easier.Same as previous with target depth shown.• Scale—controls the appearance of the depth scale shown vertically alongthe right side of the graph. You can configure the depth scale to appear inone of four different ways: as an Overlay, in the Corners, Basic, or NoScale.Water Temp Sub TabThe Water Temp sub tab enables you to control the temperature log (if your boatis equipped with a temperature transducer/sensor). The graph reads from right toleft, so that the most recent temperature measured appears on the far-right sideof the log. The dotted lines within the graph indicate intervals in the temperaturescale and the duration of time.The following settings are available:• log and Graph Scale—sets the temperature range (in degrees) todisplay on the log and on the Sonar Pages. Select Auto to have the unitautomatically determine the best range, or select a Span of 2, 4, 6, 8, or 10degrees.• log Duration—sets how fast or slow the temperature log scrolls (theshorter the time duration, the faster the temperature log scroll). Select aduration from 1 Minute to 2.5 hours. 10 Minutes is the default.• Temperature log—records the water temperature as you move through thewater so that you can look for temperature changes over a period of time.sonar