Humminbird 4-id 用户手册

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USING THE LCR 
OPERATIONAL INSTRUCTIONS 
 
Please read the Theory of Operation in the front of the manual for a detailed explanation 
of the ID feature. Below are some tips to help you use this advanced ID feature: 
 
A.  The bottom and anything attached to the bottom are displayed in black. 
B.  Objects at least three inches off the bottom are displayed in red. This makes it very 
easy to find fish, particularly those close to the bottom. 
C.  In some instances it will be possible to detect inanimate objects not attached to the 
bottom, such as a floating log or tip of a branch. In this case the return will be displayed 
in red, because it is not possible to distinguish between animate and inanimate returns. 
D.  Strong signals are displayed with a red over a black dot. This makes it easy to find 
bigger fish because they are easily separated from the weaker returns that are 
displayed in red only. 
E.  A large fish that is directly under the transducer will reflect a stronger signal than the 
same size fish at the edge of the transmitted signal, as shown in the drawing. 
F.  With the LCR's signal strength indicator you can also tell more about schooling fish. 
A school of fish displayed as a group of red dots with a black core would indicate a very 
dense school or one that has some large fish. Smaller schooling fish would be displayed 
in red only. 
G.  The LCR4-ID and LCR40-ID identification feature has been designed to be easy-to-
use and easy-to-understand. It will add fun to your fishing and give you more fish-finding 
information.