Seiwa Tigershark Plus - Manual (Page 29)

31 User Manual
Fig. 2.7b - Tide Graph page
This screen shows that day's Tide Height graph for the area where the Tidal
symbol was located. Using [ZOOM IN] and [ZOOM OUT] it is possible to display
future or past tides. If you wish to quickly display the tide for a specific date,
press [ENTER] and enter the required date using the cursor key followed by
[ENTER] once the date is set. Using [MENU] it is possible to change time selecting
between Standard and Daylight saving. To simplify reading the graph, the chart
plotter displays a moveable Vertical and Horizontal slider which can be moved
using the cursor key. Using the up/down cursor key, move the horizontal slider to
correspond with the draft of your boat. Using the Vertical slider you can then read
the times at which the graph dips below the horizontal line i.e. the times when
you will be in danger of grounding.
NOTE Tide graph is an approximation of the tide and they should be used in
conjunction with traditional tide tables and navigational methods. The Tide
height value represents the variation relative to the "Mean Lower Water"
value.
2.8 FIND FUNCTION
The Find function allows searching for the nearest Ports, Port Services, Tide Sta-
tions, Wrecks, Obstructions, POIs and Lakes loaded on the C-CARD or it centers
the screen over a selected User Point or at desired Coordinates. When the Find
function is executed a list of available objects to search is shown.
NOTE Activating the Find function a Warning message is shown if there is no C-CARD
inserted.
Finding Nearest Ports By Name
To select the Ports By Name function:
[MENU] + "FIND" + [ENTER] + "PORTS BY NAME" + [ENTER]
Shows the list of all ports stored on the C-CARD in alphabetical order and allows
to search ports by name to locate the ports on the map.
Finding Nearest Ports By Distance
To select the Ports By Distance function:
[MENU] + "FIND" + [ENTER] + "PORTS BY DISTANCE" + [ENTER]
Shows the list of all ports stored on the C-CARD in closest distance order and
allows to locate the ports on the map.
Finding Nearest Port Services
To show the nearest port services of a particular type (i.e. the nearest Hospital,
sailmaker, bank, etc.).