[SCalScoreKeeper]

From the stand you still need to control subs entering and exiting the game with the whistle! Remind whoever is doing your official book to signal that they have the substitution recorded so that you can beckon them in. Also their arms need to be fully extended when signaling timeouts so that while on the stand you can see how many timeouts they've used.
Table proficiency is essential but especially in working with one referee.Two years ago I saw a match with one referee and a table of JV players-the results were less than stellar. Twice this referee had to come off the stand to clean up some issues with both scorer and board operator. In addition the teams did not know how to sub properly as they were entering before R beckoned them in and cards were issued. It figures that a match with significant administrative issues went the full five sets but was very well played on court.

Good Luck and let us know how it went!