Hi Cristian, All it=B4s ok, only inverted. This scope comes from maintenance=20 recently, so I supect the vertical deflector is inverted by mistake. May = be=20 it=B4s only change two wires. I just download the manuals and schematics = and=20 will study them. thanks for help Rubens At 19:48 28/11/2004, you wrote: > > No, it=B4s not pressed. And this control only works for chan= nel 2. > > If I press it, then I have the correct line, only in channel 2. >Hmmm... if you find out what's wrong please tell us... >Maybe the vertical deflector is inverted??? >Or you have a very low vertical position for CH.1. If you connect the=20 >probe to ground, is the trace in the center? maybe it's below the screen= =20 >view (don't know if that's possible). Or your probe is weird? > >Christian > > >_______________________________________________ >http://www.piclist.com PIC/SX FAQ & list archive >View/change your membership options at >http://mailman.mit.edu/mailman/listinfo/piclist _______________________________________________ http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist