You've got three sets of up/down buttons - the code behind them is going to be different either way.
Searching these forums for scroll alarm status table #vision (Search results for 'scroll alarm status table #vision order:likes' - Inductive Automation Forum) gets a variety of hits, though this is the most useful:
Alarm status table: scrollbar width and return to top in marquee mode [vision] - #2 by justinedwards.jle
The basic idea is the same, though - reach for the internal Java swing objects and call their internal methods to scroll.