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Config Variables Help
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<p>Also it is my understanding that CV's are based on Binary numbers.</p><p>I = on.</p><p>0 = OFF.</p><p>IIIIIIII = 255 the bits can never go beyond 255 without additional bits.</p><p>the numbers break down left to right for each bit:</p><p>128 64 32 16 8 4 2 1 = 255</p><p> </p><p>Take away any bit, count the ones left and you know the number. You can count from zero to 255 this way.</p><p>If my choo choo had the number two on the side of it's cab and I wanted to set the CV address of that Choo choo to respond to it's new name "2" in dcc it will see this:</p><p>00000010 equals TWO coming down the track as a signal addressed ONLY to choo choo number TWO.</p><p>All other engines sit and listen to the signal but only engine number 2 should respond.</p><p>Your computer should have a calculator. Changing the display between bin, dec; you will quickly learn what bits make up what numbers.</p><p>Taking Selector's example:</p><p>ATTENTION ENGINE NUMBER Two.</p><p>Engine two: Im here go ahead.</p><p>ATTENTION ENGINE TWO. SET WHISTLE NUMBER AT 15 or 00001111</p><p>and the engine should turn up the whistle volume to the max.</p><p> </p><p>Now.</p><p>It is best to have engine two alone with the command station on what is called the program track. So that the two can commune together without any other choo choo getting confused.</p><p>In a certain situation you might accidently tell ALL of your engines to put the whistle (Or whatever) to a value of 15. The result will be unsatisfactory because your whistles will be either louder or quieter away from values that they were set at previously.</p><p> </p><p>On my road, any changes I make to any of my engines with CV's get written down in a notebook as they are input into my DCC system. That way if the situation gets out of control and the choo choo displays unwanted or error behavior I have the value written down and maybe can trace my mistake.</p>
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