Trigger auto-refresh of screen by external event

65 pts.
Tags:
automatic refresh
external event
Multiple screen updates
Screen updates
A traffic control screen, shared by up to 10 devices at any given time, is programmed to automatically refresh every 3 minutes, unless data is entered on the screen itself (only the screen on which data is entered updates immediately - the others wait for the 3-minute timeout). Is it possible to cause all screens to immediately refresh when data is entered on 1 particular screen or as the result of an event external to the screens altogether?

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