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Originally Posted by Smatticus
I haven't been on the site in quite a while and was browsing posts since my last visit when I came across this post. I didn't know that ghost lights referred to lights left on when a theatre wasn't in use. The experience I've had with the word 'ghost' I've had someone describe 'ghosting'... which I've understood is like a glitch when you loose control of one or more instruments and they just stay on. For example, during a dance recital last year we were going to a blackout and we had a number of instruments remain on despite every channel being at zero, the master being at zero, and the presets being turned off. The TD I work with calls this 'ghosting' though I do not know what it is caused by. Has anyone else experienced anything like this?
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The only time I have seen this happen is when the optocoupler controlling the
triac failed. As such, the channel remained illuminated despite any attempts to dim it