Raymarine LIGHTHOUSE 4, Руководство по эксплуатации

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Fishing recommendations are also available in Fishing chart mode. Refer to:
Fishing intel menu:
p.213 — Fishing intel menu
16.4 Fish mapping layers
The fish mapping layers allow you to overlay fishing data in the chart app to
help you identify the best locations for finding fish.
The following fish mapping layers can be enabled and disabled from the
[Fish mapping layers] menu:
1. [30M Sub Temp] (30 metre sub-surface sea temperatures) — View
contour lines for bodies of water below the surface temperature range.
2. [Height Anomaly] (Sea surface height anomaly) — View contour lines for
locations where the sea surface height is different than the surrounding
area. The anomalies show where fronts, eddies, upwellings and
downwellings are located.
3. [Plankton Contours] (Plankton concentration contours) — View contour
lines for areas of plankton concentration to help identify favorable
conditions.
4. [Plankton Front] (Plankton front strength) — View contour lines for areas
of strong plankton concentration bordering areas with relatively low or
no plankton.
5. [SST Contours] (Sea Surface Temperature contours) — View contour
lines for sea surface temperatures.
6. [SST Front] (Sea Surface Temperature front strength) — View contour
lines for areas where there are significant temperature changes which
create distinct temperature boundaries between bodies of water.
7. [Weed Lines] — View contour lines for locations where floating
algae/plants have been sighted recently, or are most likely to be forming.
The weed lines contour can be animated using the
[Animate weed lines]
option in the main menu. The weed line animation can cover a period of
up to 3 days (i.e.: today and up to 2 previous days).
Color gradients are used to identify the concentration or strength of the
relevant contour e.g.: a darker color for plankton contours indicates a higher
concentration of plankton in that area. The legend shows the color gradients
used and what they represent.
Fish mapping layers are also available in Fishing chart mode. Refer to:
Fishing intel menu:
p.213 — Fishing intel menu
16.5 Layer / fish type identification
The available layers and fish types are identified by different colors.
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