Sonar Menu Tab
62
Imaging Frequency
(Down Imaging Views only [HELIX DI only])
Settings: 800 kHz, 455 kHz; Default = 455 kHz
Imaging Frequency
allows you to select which frequency to apply to the Down Imaging beams
(455 kHz or 800 kHz). For the best overall image quality and depth, select 455 kHz. For the sharpest
image (but limited depth capability), select 800 kHz.
Surface Clutter
Settings: Low = 1 to High = 10; Default = 5
Surface Clutter
adjusts the filter that removes surface clutter noise caused by algae and aeration.
The lower the setting, the less surface clutter will be displayed.
surface clutter
16°
28°
455kHz
200kHz
75°
455kHz
45°
800kHz
Down Imaging Beams
Summary of Contents for HELIX 5 DI
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