Quote:
Originally Posted by representing
Horn is always used in this area (and several other areas I've officiated in). I use the whistle if I see the sub but don't hear the horn for a second or two. If more subs are coming running to the table, I blow the whistle again to let my partner know not to hand the ball yet.
For the most part though, the horn lets us know there is a sub at the table. Unfortunately not edible though  |
The horn notifies the official. The whistle is used to bring the sub in. See Nevada's post.
I don't get the hesitation in this area. Of course my partners and I all whistle all the subs in, so maybe that's it.