Tide Data - Raymarine RL70C Owner's Handbook Manual

84

Tide Data

The symbol
chart. When you select the tide height option, a graph of predictions for
maximum and minimum tide heights is displayed, data for sunrise and sunset is
also provided as illustrated below.
Note: The predictions available are sufficiently accurate under moderate
weather conditions, for the coastal areas served by the reference station, to be
used for navigation planning. However, certain weather fronts and storms can
alter tidal patterns and influence predicted times and heights.
6nm
4.61
3.96
3.31
2.66
2.01
1.36
0.71
The cursor, represented by a dotted vertical line on the graph, is used to select a
time for which the tide height is displayed.
You can use the soft keys and trackpad to change the date for which tide
information is shown.
➤ To select a time, use the trackpad to move the cursor to the required time.
➤ To change the day press PREV. DAY, DAY or TODAY, as required. Alternatively,
press SET DAY; to change date, use the trackpad to move the cursor left/right to
select the character and up/down to increase/decrease the value.
The graph and tide data will be updated accordingly.
indicates tide height data is available for that position on the
CALSHOT CASTLE
0 2 4 6 8 10 12 14 16 18 20 22 24
HSB Series LCD Display
D4270-1