Do I need to know how many golfers are in a tournament (i.e. number of 2,3,4,5,6,7 or any#-somes) before setting the 1. Settings for the tournament?
No. After you have signed up golfers for a tournament, you can always click Main menu; select 1. Settings; and change Number of 2,3,4,5,6,7 or any#-somes.
Example: You think 100 players will participate in the upcoming tournament, so you specify Number of 4-somes as 25 in 1. Settings.
Later, if you click Main menu; select 2. Sign up players; and find that you have 104 golfers that want to play, you can click Main menu and go back to 1. Settings and change the Number of 4-somes to 26.