CPC A63B 61/04 (2013.01) [A63B 71/0608 (2013.01); A63B 71/0622 (2013.01); A63B 2071/0613 (2013.01); A63B 2071/0625 (2013.01); A63B 2071/0655 (2013.01); A63B 2102/02 (2015.10); A63B 2220/51 (2013.01); A63B 2225/50 (2013.01); A63B 2225/74 (2020.08)] | 20 Claims |
1. A method, comprising:
indicating, using an indicator, that an impact between a ball and a tennis net has occurred;
arming a let detection function, wherein the indicating step is only performed when the let detection function has been armed; and
starting a shot clock in order to help enforce a time limit imposed upon a player at various stages of a tennis match, wherein the steps of arming the let detection function and starting the shot clock are initiated by a chair umpire during a tennis match.
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