Humminbird HELIX Series Operation Manual page 47

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XTM 9 SI 25 T

2D Cone Angles

DI Cone Angles

200/455 kHz Transducers

Select High Frequency for greater bottom coverage in deep water

(up to 600 feet).

Select High (455 kHz) Frequency for shallow water (up to 350 feet).

Select 455 kHz for greater bottom coverage in deep water (up to 350

Select 800 kHz for shallow water and the sharpest image.

Set up Sonar

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