Comp lock
You will need to use a 127.1 or 127.4 Frenzy or a Tadao board to be able to cap the ROF to 15. Earlier frenzy's cannot be capped and can only be updated by sending them back to BLAST in the U.S.A. (current waiting time about 6 weeks). Tadao's are also hard to come by, the last 500 sold in under 12 hours!
If you have a Entropy Board or WAS board, I think that with the data cable and software these can also be updated to allow capping.
I know for domestic vents the Competition mode lock is not normally requiered, not sure if you need to use it for the DMA.
If you need any advice, give me a call (number on the pro-paintball website.