Raymarine FishFinder L265 User Manual download pdf (Page 41)

Operating Instructions

echo from the bottom, so the upper layer of the bottom is shown in a

checkerboard pattern.

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.

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.

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Raymarine FishFinder L265 User Manual Page 41