Figure 8, Screen with both frequencies displayed – NorthStar Navigation Echo Sounder NorthStar 491 User Manual

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Figure 8, Screen with both frequencies displayed | NorthStar Navigation Echo Sounder NorthStar 491 User Manual | Page 22 / 76 Figure 8, Screen with both frequencies displayed | NorthStar Navigation Echo Sounder NorthStar 491 User Manual | Page 22 / 76
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