I'm going to be using some HMI on a shoot I'm helping out on tomorrow. I know about HMI's but haven't used them before. We will have a 575 and 1200, both electronic ballasts I think, but I'm not sure. I'm aware that is incorrectly striked or shut down one can easily blow bulbs or ruin ballasts. Can some tell me the basics so I don't look stupid on set.
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