The Easton Tracer Nock has some issues as well, at least it did for me and a few others I've read about. For me, it didn't light every time and sometimes it lit on impact, sometimes not at all and then broke.

I sent an email rather than calling Easton and a few weeks after that I got a reply asking me to send it back and upon receiving it, they would send me a new one. I just sent the nock back yesterday.

Here's a thread with a tutorial and a follow up thread.

This one has the video turorial:

http://www.huntingnet.com/forum/tm.aspx?m=2951545&mpage=1

And the follow up thread.

http://www.huntingnet.com/forum/tm.aspx?m=2954759&mpage=1&key=Easton%2cTra cer%2cNock