The length of surface clutter depends the beam angle and frequency used. The higher the frequency – the smaller
the surface clutter is, and the less depth Deeper will need to operate.
Deeper CHIRP surface clutter
When using Narrow CHIRP beam (675 kHz), surface clutter zone will be stretching down to 0.15m (0.5 ft) from the
surface of water. No fish or underwater objects will be detected in that area. Deeper sonar will display “too shallow
or too deep” error message if the actual depth of water is less than 0.15m (0.5 ft).
Mid CHIRP (290 kHz) will have a surface clutter zone of 0.6m (2 ft) and will not detect any fishes or underwater
objects in that area.
Wide CHIRP (100 kHz) will have a surface clutter zone of 0.8m (2.6 ft) and will not detect any fishes or underwater
objects in that area.
Deeper PRO surface clutter
Narrow beam (290 kHz) will have a surface clutter zone of 0.6m (2 ft) and will not detect any fishes or underwater
objects in that area.
Wide beam (90 kHz) will have a surface clutter zone of 1.3 m (4.2 ft) and will not detect any fishes or underwater
objects in that area.
Weed: Weed beds and vegetation are shown in green when Classic color palette is used.
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