karlmcdonnell Posted October 1, 2009 Share Posted October 1, 2009 hi all im new to here!! my problem is.... I do nightclub lighting.... using 7 mx-4s and a laserworld rs800 controled by my hp lappy and a jms usb to DMX now I had a night off a few weeks ago as a result they took out the DMX leads out of the laser (which is 1st in the line) for some unknown resason as I said it will run sound to light once theres no DMX signal, but since then I returned and the 3rd mx in the line pans to the top left and flys arounds its gobos, now when I take this light out of the line, the next one closest doses the same(I have the mx4s in 2 address, 1 for the right side and an other for the left side of the room) I hope that your expert knollage can help me thanks in addvance karlmc Link to comment Share on other sites More sharing options...
billy bobinski Posted October 1, 2009 Share Posted October 1, 2009 Hi There, and welcome. This might sound obvious, but when they took your laser out of the string, did they change the DMX addresses at all on your other kit. I'd double check that right through with the laser back in line. Link to comment Share on other sites More sharing options...
Sound In Gloucestershire Posted October 1, 2009 Share Posted October 1, 2009 have you checked your cables? Might be a faulty one Link to comment Share on other sites More sharing options...
Congresstech Posted October 1, 2009 Share Posted October 1, 2009 And is the line terminated? Link to comment Share on other sites More sharing options...
karlmcdonnell Posted October 1, 2009 Author Share Posted October 1, 2009 all adresses are perfect, including the laser, im nearly sure its not my usb lead as I can controll all the functions of the laser, sorry terminated? what does this mean?? Link to comment Share on other sites More sharing options...
mar Posted October 1, 2009 Share Posted October 1, 2009 Have a look at Wiki on Termination The Blue Room wiki will explain it better than I can. Link to comment Share on other sites More sharing options...
karlmcdonnell Posted October 1, 2009 Author Share Posted October 1, 2009 il go get me a half watt resister and install it tomoro, and get back with the conclusion thanks A concurrent post has been automatically merged from this point on. do I have to put resistors on all the cables?? A concurrent post has been automatically merged from this point on. sorry I got more info, I only need to have the resistor in the out of the last light?? Link to comment Share on other sites More sharing options...
DrummerJonny Posted October 1, 2009 Share Posted October 1, 2009 That's correct Link to comment Share on other sites More sharing options...
Sound In Gloucestershire Posted October 1, 2009 Share Posted October 1, 2009 I meant your DMX cables, did you check those? Link to comment Share on other sites More sharing options...
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