![]() Some LGs will respond with the "OK" reply immediately on receipt of the command, thus leaving the wait time up to your program, while others won't give the "OK" until they're actually ready to accept another command. The "C" models will often at least accept "power status" commands while powered off, so you can probe it before you send any state-changing commands.Īfter powering the display on, you have to wait out its 12-ish second warm-up time before you can send anything else. "C" stands for "commercial," and this distinguishes models intended for use with automatic control systems. Giger film." These are the non-C displays, as a rule. Most LGs accept only power-on commands while powered off, so that you cannot tell "powered off" from "caught fire, fell overboard, and presently at the bottom of the ocean being chewed on by something from an H.R. (Only the two letters in the middle of the model code seem to matter when it comes to compatibility, plus an optional "C" at the end.) Then again, I don't think we've yet run across an SL model. My LG control code has probably been run against dozens of models by now, and I don't think I've ever run across one that behaved as you say. I have quite a bit of experience controlling LG displays serially, and while I haven't seen anything like what you report, I can make some observations and guesses that may help: ![]()
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