Changing the frequency of echoes, Changing the frequency of echoes -17, Manually overriding automatic mode – NorthStar Navigation Echo Sounder NorthStar 491 User Manual

Page 21

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Changing the frequency of echoes, Changing the frequency of echoes -17, Manually overriding automatic mode | NorthStar Navigation Echo Sounder NorthStar 491 User Manual | Page 21 / 76 Changing the frequency of echoes, Changing the frequency of echoes -17, Manually overriding automatic mode | NorthStar Navigation Echo Sounder NorthStar 491 User Manual | Page 21 / 76
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