Installation guide

Aftermarket LCD Upgrade Manual
P/N 400-283-301 Rev A 9
electrical panel. That same ground bus should have another green wire that extends to the
ground connection on the IG outlet on the curtain-wall into which the scoring is plugged.
While this isolated ground stuff may seem irrelevant for utilitarian wiring, it’s very
important for (especially older) scoring systems with remote video displays.
Don’t plug other stuff into the scoring power. Fog machines, extreme lighting and fans or
TVs often introduce currents into the system ground. Keep scoring circuits for scoring only.