stackmat

Hi Does anybody know what is the difference between this two stackmat: http://www.amazon.de/NK-Trading-Speed-Stacks-Competition-Timer/dp/B002RAP4SY/ref=sr_1_7?ie=UTF8&qid=1297802412&sr=8-7 http://www.amazon.de/Stack-Speed-Stacks-Competition-Timer/dp/B003WUJTE8/ref=pd_cp_toy_2 Can i...

Hello there, I've been trying to connect this timer for some hours, but I didnt came up with any solution right now. The problem is : 1) When i link the stackmat to my PC CCT immediatly recognise it, but it displays 2 values (15:15.15, 1.50) when i press the power button on my stack and...