DAVIS WeatherLink 6540, Руководство пользователя

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Transmission Rate
Use this setting to determine how often to send APRS data packet. The default
setting is 5 minutes. Consult the APRS website (www.usna.edu/Users/aero/
bruninga/aprs.html) for guidance on sending data more or less often.
Latitude & Longitude
For APRS reporting, you must enter your latitude and longitude information.
Enter your latitude and longitude in degrees, minutes and seconds in the
appropriate boxes. The APRS String boxes below indicate what the APRS
position character string will look like based on the values entered. Before any
new data is entered, theses boxes indicate the latitude and longitude string
currently stored in the streaming data logger. If “invalid string” is shown in these
boxes, either one of the entries is outside the range of valid parameters or, as in
the case of the first time you receive the product, no latitude or longitude values
have been stored in the data logger.
Default
Click this button to restore the data entries to their default values. You must still
click OK to save the settings in the data logger.