Lowrance electronic 5500C - Manual (Page 93)

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Slack water, the period of little or no current, is represented by the
Slack Water Line (SWL). The flood appears above the SWL and the ebb
appears below the SWL.
You can look up tidal current data for other dates by changing the
month, day and year selection boxes. To select another date:
1. Use
→
and
←
to highlight month, day or year, then press ENT .
2. Use
↑
and
↓
to select the desired month, day or year, then press ENT .
To clear the information screen, press EXIT .
Tide Information
Navionics charts contain Tidal Information,
represented at large zoom ranges by a box icon with
the letter "
T ." The icon stands for a Tidal Station
location. An example is displayed at right.
When you zoom in to a sufficiently small zoom range, the icon itself be-
comes an animated gauge showing a rising or falling tidal height for the
selected station