Read this article to know more about potential problems when planning with Lionel O FasTrack manual and remote O31 switches in SCARM. [>>>] Potential Problems With Lionel O FasTrack O31 switches (SOLVED)
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Read this article to know more about potential problems when planning with Lionel O FasTrack manual and remote O31 switches in SCARM. [>>>] 
Read this article to know more about potential problems with Atlas HO 100 Snap-Track turnouts 850/851/860/861 and what to do in order to prevent issues in track planning with these parts.