pixel flicker random

Hi all, First year running a show, so go easy haha. So show has been running successfully for about 2 weeks - a few hiccups but all resolved through basic user error (i.e. matrix inverted, wire runs too long and needed a data booster etc.). Tonight's show I noticed that in a line of 3...

This might get someone out of trouble quickly... View: https://www.youtube.com/watch?v=6O5rD1BZeVc Having said that, it's probably best to get solid ground references/connections in the first place.