Humminbird 1157c combo cho User Manual

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ate interpretation of bottom contour and structure. For Side Imaging, the bottom composition determines the intensity of the sonar return. For example,

r relative density. Upward slopes that face the transducer reflect sonar better than downward slopes that face away from the transducer. You can find

or accurate interpretation of bottom contour and structure, including the following items:

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531617-1_A - 1197c_ManE.qxp  11/6/2007  4:36 AM  Page 53