Good idea Hans - will do that tomorrow.
Not really phased by it, since I will be running it all from the laptop anyway, but I do want it rectified for when I DO occasionally use it out at dark sky site just for visual. I doubt I will run it Temma PC either Hans - may end up selling that unit on Astromart (Yanks LOVE those kind of things
)
Might try your suggestion too Richard. It certainly is VERY mild - almost like the slight tingle sometimes felt from water taps etc.