Garmin GPSMAP 740 Supplement Manual - Page 11

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Garmin GPSMAP 740 Supplement Manual

Visibility Information

Visibility is the forecast maximum horizontal distance that can be seen at the surface, as shown in
the legend on the left of the screen. Variations in the visibility shading show the forecast change in
surface visibility.
Visibility
legend
Viewing Visibility Information
From the Home screen, select
Viewing Forecast Visibility Information for Another Time Period
1. From the Home screen, select
2. Touch a location on the chart.
3. Complete an action:
•
Select
Next Forecast
Forecast
again to view forecasts for the next 24 and 36 hours, in 12-hour increments.
•
Select
Previous Forecast
Forecast
again to view forecasts for the previous 24 and 36 hours, in 12-hour increments.
Viewing Buoy Reports
Report readings are taken from buoys and coastal observation stations. These readings are used
to determine air temperature, dew point, water temperature, tide, wave height and period, wind
direction and speed, visibility, and barometric pressure.
1. From the Home screen, select
2. Select a buoy (
).
3. Select Buoy.
Buoy (underneath
the cursor)
700 Series XM WX Satellite Weather
Weather
> Visibility.
Weather
> Visibility.
to view the forecast visibility for the next 12 hours. Select
to view the forecast visibility for the previous 12 hours. Select
Weather
> Forecast.
and XM
Satellite Radio Supplement
®
®
XM WX Satellite Weather and XM Satellite Radio
Visibility
shading
Next
Next
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