Garmin 2006 Manuale Proprietario

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Use the General sub tab to select the water type, depth number, automatic scroll 

speed limit, scale, keel offset, and transducer type. The available General sub tab 

options are as follows: 

•  Auto Gain—controls the aggressiveness of the Auto Gain when the Gain 

option is set to Auto. The higher the setting, the greater the number of 

targets appear on the screen. The lower the setting, the less clutter on the 

screen. The settings are Low, Medium (default), and High.

•

 

Auto Color Gain—controls what colors are applied to the objects on the 

screen when the Color Gain option is set to Auto. Color DCG™ is based 

on depth and makes it easier to spot subtle changes in bottom conditions 

or fish sizes. DynaColor™ (default) represents the latest in sonar data 

presentation and is recommended for all applications. The presentation is 

based on bottom strength. It makes the bottom and the fish easier to see and 

requires fewer adjustments.

•  Automatic Scroll Speed Limit—automatically adjusts the Scroll rate 

with the speed of your vessel. Enter your maximum cruising speed, and 

the scroll rate adjusts to 100% when you reach that speed. One half of that 

speed produces a 50% scroll rate, and so on. The default is 

30.0 kt.

•  Keel Offset—allows you to offset the surface reading for the depth of a 

keel. This makes it possible to measure depth from the bottom of your keel 

instead of from a transducer’s location near the water line. Enter a positive 

number to offset for a keel. You can also enter a negative number to 

compensate for a large vessel that may draw several feet of water, requiring 

the transducer to be submerged if you want to measure from the water line. 

The Keel Offset is reflected in the depth reading.

Transducer at surface. 

Enter (+) a positive  

number to show depth  

from bottom of keel.

Transducer at bottom of keel. 

Enter (-) a negative number to 

show depth from surface.

•  Transducer Type—allows you to specify what type of transducer you are 

using, either Dual Beam or Dual Frequency.

•  Custom Range—allows you to specify a custom viewing range or scale. 

When On, this range appears as Custom in the Range setting. The left 

value is the top of the scale and the right value is the bottom of the scale.

•  Calibrate Water Speed—this is available only if you are using a speed-

capable transducer/sensor. Calibration is required to ensure that the Water 

Speed shown on your unit is accurate. The unit automatically uses the GPS 

ground speed, if it is available, for comparison on the calibration. If a GPS 

ground speed is not available, use either your boat’s speedometer reading 

(not always accurate) or a stopwatch to determine your speed over a certain 

distance (distance / time = speed). It is recommended that you calibrate in 

water having little or no current.