About the disturbing player name that I mentioned in some previous Beatmania IIDX related blog post, it turns out that the Terms & Conditions against inappropriate player names HAVE BEEN THERE in many Bemani games although the shameful thing is that they're not translated to English in many Bemani games and this is one of them so it's a shame on me for not knowing the Terms & Conditions earlier. They're there in Beatmania IIDX but they aren't translated whatsoever. And by the way, turning off the machine or disconnecting it from the network as a way of ragequitting or mischievous act is one sure way to get you banned from or kicked out of the arcade. It doesn't matter which genre you're playing but I'm sure that this warning has been there against such misbehaviors.
Good thing is that the camera option has been turned off by default but even then, I still have yet to figure out some of the patterns in the notechart so that I can do things usually like other players do. However, I still have to figure out the balance to get my timing right like 2.20 of Hi-Speed for 170-190 BPM or something for instance.