PV Designer uses weather data that is stored either on the Solmetric SunEye Software with PV Designer, or from files accessed over the Internet. PV Designer first looks for the data on the local computer (if weather files have been previously accessed by that computer), then on the Solmetric SunEye DVD if inserted into the DVD drive, then on the Internet, if access to the Internet is available. If no weather data is available, then the PV Designer cannot access weather files, and therefore the energy profiles cannot be calculated. To enable weather data access, enable the computer to access the Solmetric SunEye DVD, or the Internet, or both.

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