Humminbird HELIX Series Operation Manual page 47

Models
XNT 9 DI T
XTM 9 SI 25 T
2D Display
28°
200kHz
2D Cone Angles
DI Display
45° 45° 45°
800kHz
75° 75° 75°
455kHz
DI Cone Angles
200/455 kHz Transducers
Select High Frequency for greater bottom coverage in deep water
High
(200 kHz)
(up to 600 feet).
High
Select High (455 kHz) Frequency for shallow water (up to 350 feet).
(455 kHz)
Select 455 kHz for greater bottom coverage in deep water (up to 350
455 kHz
feet).
800 kHz Select 800 kHz for shallow water and the sharpest image.
47
Set up Sonar