[andbel]

(04-26-2011 04:25 AM)xavi Wrote:  Hello

Use intervallic run

Ensure photocells are aligned.
See photocell light and sound, it must change when you put hand in the middle.

Align photocells. ensure there aren't bad contacts produced by cable or cabe connections on wet grass...

Always have lot time to test before evaluation with athletes.

Tell us here your imrovements. Bye

Thanks for your help again! It works fine now, one more question! Can I use 9V battery for more portable use or does that have delayed response time/weaker beem? /Regards