Geonav 7C Manuel D'emploi Et D'installation page 34

Goto Nearest
four hours with respect to the selected date, the tide level and
tidal current speed and direction at a survey station in the
vicinity. Unlike the estimated data shown in the Info win-
dow, this forecast is much more accurate, being supplied di-
rectly by tidal surveying stations.
Press the GOTO key, select NEAREST by the joystick, choose
the Tides or Currents service, then press ENTER to confirm.
The GEONAV will allow selecting one of the three nearest
Tides and Currents stations. Use the joystick to choose the
station desired, then press ENTER to confirm. A window will
show the information reported below.
Tide station
• Name of the station
• Forecast reference date
• Time and height with respect
to the cursor's position in the
graph
• Time and height of high/low
water
• Dawn and sunset time
• Moonrise and moonset time
• Moon phase
• Tide level graph (24 hours)
Tidal current station
• Name of the station
• Forecast reference date
• Time, speed and direction with respect to the cursor's po-
sition in the graph
• Time, speed, direction and slack time of daily flood and
ebb streams
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• Dawn and sunset time
• Moonrise and moonset time
• Moon phase
• Tide level graph (24 hours)
In the both cases above, the de-
fault date is today. A different
date can be set by pressing EN-
TER or -ZOOM+.
NOTE: The same information can be ac-
cessed by positioning the manual cursor on
the icon of a Tides or Currents station, and
pressing ENTER to confirm.
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