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37
Hard
(Sand)
Rocks
Soft
(Mud)
Fig. 3-6
Bottom
Conditions
Operating Instructions
Notice that the lower layer of the bottom is shown as a solid display. This
indicates a weaker echo. Sometimes this means that the upper layer of
the bottom is soft. Some of the sound waves may reach through this
layer, and may be reflected by a more solid layer below. It is also possible
that the sound waves are making
two
complete trips - hitting the bottom,
bouncing off of the bottom of the boat, then reflecting off the bottom again.
This can happen if the water is shallow, the bottom is hard, or the sensitiv-
ity is set to a high value.
Now, let’s look at the other main operating displays. From the FishFinder
display, press the
> arrow of the Page control pad.
Performance Modes
This unit has two “performance” modes which can be used to add to
the standard FishFinder Page. These are the Zoom and the A-Scope
Modes. Each presents the raw information from the transducers in a
special way. To display one of these modes, press the Page key on
the unit. See Fig. 3-3.