Daktronics Venus 1500 Version 4 - Manual (Page 155)

Add Data
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Click the Configure button to change the Port Configuration. Click OK when finished making changes.
Change how often the display gets new information from the data feed source by changing the figure in
the Fetch Data Every: box.
Note: Each time data is fetched, it is also sent to the display.
Hide data from a source after a specified amount of time by clicking the Data expiration drop-down
arrow. Also set what should appear on the display after the expiration date is reached. Always show data
from a source by choosing Never expire from the drop-down list.