Speed Dial - B&G ZEUS Touch Operator's Manual

Time Dial
The time dial enables you to manually change the time and date of the GRIB overlay and see
the predicted forecast for that specific time. The time increments may vary depending on the
GRIB file.
Once animate has been selected turn the rotary knob to adjust the time dial which will
change the time and date of the overlay. As you move the dial it is likely that you will see the
GRIB symbols change on screen reflecting the shift in wind speed and direction.
¼ Note:
The time shift shown in the time dial will be relative to the current time as provided by
a GPS unit connected to Zeus.
As a GRIB file ages it will be possible to see the historic data represented in minus hours until
the file becomes outdated. Once it is outdated it reverts to the time frame being relative to
the earliest forecast in the file.
¼ Note:
If no current time is provided via GPS then the GRIB file time is only relative to the
earliest forecast in the file and will not show a real time weather representation.

Speed Dial

The speed dial enables you to turn on animation and view the progression
of the forecast over time, without manual adjustment. The speed dial has 3
animation speeds low, medium and high. The default position of the dial is off.
Select the speed you wish to view the animation by turning the rotary knob.
The GRIB overlay will change incrementally until it has shown all of the available
GRIB information on that file then it will return to the present time and start over
again. The animation will continue on loop until it is switched off or cancelled
by pressing 'Enter' .
GRIB Disclaimer
GRIB weather files contain weather forecast data, by their nature weather forecasts are
not 100% accurate or reliable and should be used only as a guide. Wind data in the GRIB
files displayed on Zeus are the mean ground wind speed and direction at 10m altitude,
various factors such as mast height, tides/currents and gusts will affect the actual True Wind
experienced when sailing.
¼ Note:
data becomes less accurate as the file gets older (i.e. day 3 on the 20th sept forecast is
not as accurate as day 2 on the 21st sept forecast).
Weather | Zeus Touch Operator Manual
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