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User Manual
A.3.3 BROWSE
Browse allows seeing the wind or waves figures referring to a specific hour
only, amongst the 6 hours preview provided by the server.
Browse mode can only be selected if at least one of the two data types has
been downloaded from the server. If neither wind nor waves information is present,
the chartplotter emits three beeps and shows a warning message saying that the Browse
cannot be activated. Browse mode allows showing only one data type at time; this
means that wind icons and wave icons cannot be shown simultaneously. If both
types are loaded the default type will be Wind. If only one data type is loaded, it will
be the active selection of the browse and it will not be possible to switch to the other
type. Once the main Menu is shown on the screen:
"C-FORECAST" + 'ENTER' + "BROWSE" + 'ENTER'
When Browse is selected from the C-Forecast menu the chartplotter goes on
chart display (full mode all data windows must be removed) and selects the map
scale that allows seeing the whole area covered by the weather icons.
On the side of the starting position (depending on its rotation) there will be
shown a prompt where the user can select the preferred time and the type of informa-
tion to be displayed. The default time is the time of the first data received. Supposing
to have data from 10:00 AM to 3:00 PM the first time will be 10:00 AM and the icons
shown on the map will be only the ones referring to 10:00 AM.
The user is allowed to change the time of the preview (among the 6 hours)
and the type of data between Wind and Waves by acting on the cursor key. Cursor
key up and down change the time. Cursor key left and right change the data type.
The time step is one hour. When the last or first hour is set and the user tries
to increase or decrease the time the chartplotter sounds three beeps and does not
change the selected time. Changing the time, all the icons referring to the selected
time are displayed on the map. If the time is increased the number of icons shown
will cover a wider area. If the time is decreased, the icons shown on the map display
will decrease. In this case, in order to avoid the map redraw, the icons without infor-
mation will be represented by empty spots (no value and arrow shown).
Changing the data type between Wind and Waves the map display will be
redrawn. If the current type is Wind and there is no Waves information, the
chartplotter does not allow to set Waves. Sounds 3 beeps and shows the message:
Warning Waves information not present. On the other hand, changing from Waves
to Wind when wind icons are not loaded, the warning will be Warning Wind infor-
mation not present.
Pressing 'CLEAR' the Browse mode is quitted and the map is restored to the
normal display.
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