System noise from the receptor

[schubert]

This occurs when I plug a monitor into receptor. I plug it in at rehearsal and the system noise is appalling when the monitor is unplugged from the receptor the system noise is zero. Can anyone think of a solution because I need to mix the performance data live and I've only got a couple of weeks before the first gig using receptor.

[UltraJv]

My guess is that its an old CRT monitor? They tend to create loads of interference. If thats the case, try an LCD. If it IS an LCD, try using a video lead with an ferrite filter on it. They have a bulge in them!

[schubert]

It's a relatively new TFT monitor that's what makes it so unusual.

[UltraJv]

Im not a Receptor owner, just trying to suggest a few basics. It may be an earthing problem. Unusual on anything other than laptops though. The cure with a laptop is to either remove the earth or to lift it with a resistor. Maybe someone has come across this on a Receptor before? I should add the disclaimer that you shouldnt remove an earth on any equipment without consulting a qualified person ie Muse. Try another display meanwhile.

[schubert]

It definately isn't an earth problem, it is definately system pc noise, an earth loop cycles at 50Hz a second and the noise being emitted is far to high for that.