I tried 2, 3 and 4. With 4 I get some (fewer) Programmer busy messages. With 2 and 3, I don't get Programmer busy, but I do see pauses., fewer with 2 than 3. It seems that 3 is the best setting for this. I'm doing all this with a mostly idle railroad, so the only messages are occaisonal "occupied" messages -- no throttles active. Overall, looks like a definint improvement.
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Scott Walton
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