I recently got two namco guncons in a lot. they are the original grey model (npc 103 i think). the seller didn't know if they worked or not. I just bought area 51 for ps1 to try them out. i've tried them in both the ps1 and the ps2, and nothing happens. I plug the yellow cable into the video jack and then the ps2/ps1 video jack into the back of the guncon cable. are these guns dead or am i doing something wrong? do you have to be a certain distance away from the tv for them to work?