Need suggestions on how I can set up my conventional loop to operate for a preset amount of time at the simple push of a button. I have a Z4000 connected to Gargraves track and would like to set it up so visitors merely push a button and trains would run for a predetermined amount of time, say 5 minutes. At the end of 5 minute run trains would stop and 5 minute timer would reset awaiting the next button push. Any ideas?? Thank-you very much for any and all input and help. Houndsvillebob. 
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