equipment questions

[Warrenkicker]

Originally Posted by dvasques

I saw on another Thread some Play Clocks that I found interesting but I have a problem with them. Down here I must yell out loud once the clock reaches 20 secs to go. 10 secs to go, and I must count down from 5. Don't suppose there's any clock what would vibrate those times for me, right?

A Ready Ref may do this for you. You would have to get in contact with them and see if they could modify a unit to buzz at multiple times during the count down.
http://www.ready-ref.com/football_timer.html