ahhhhh... that is what the little foam ring is for...
I bought my board off Ebay (a 620 superbowl board... came with Rams and steelers) and it didnt have the instruction book...
I am now going to play with the timer...see if i like it / can get a handle on how to read it
but i might end up using a stop watch or oven timer thing
I want to start introducing time as a factor so i can get into final "2 minute" situations etc.
