Raymarine FishFinder L265 User Manual download pdf (Page 77)

Knot: One nautical mile per hour (1.15 statute miles per hour).

LCD: “Liquid Crystal Display” - A technology used to produce flat-panel

displays.

Nautical mile: 6076 feet

Port: Left side of the boat, when facing the bow (nautical term).

PVDF: “Poly Vinylidene Fluoride” – A unique polymer plastic that has the

ability to convert sound waves into electrical impulses. PVDF is used

in the optional Sidelooker transducer for excellent detection of fish in

the horizontal direction.

Range: The depth scale for the unit. The maximum distance the unit will

be able to see at a particular range setting.

Sensitivity: The ability of a receiver to distinguish between echoes of

different strengths. In general, use a higher sensitivity setting for

deep water, and a lower setting for shallow water.

Starboard: Right side of the boat, when facing the bow (nautical term).

Statute mile: 5280 ft.

Stern: The rear of a boat (nautical term).

Thermocline: A level in the water where two areas of differing water

temperature meet. Sometimes a thermocline can reflect sonar waves

and present a false display.

Transducer: A device which sends and receives high frequency sound

waves through the water.

Transom: The rear-most part of the boat’s hull, often a flat panel.

White Line: A feature used to help display fish near the bottom. This

feature helps to show the difference between weak returns (including

fish near the bottom) and strong returns (including the bottom itself).

Zoom: A way of magnifying or enlarging part of the display to give a

better view of a section of the water.

Glossary

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Raymarine FishFinder L265 User Manual Page 77