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I’ve recently gotten back into model railroading after not doing it for a few years. I’ve graduated from using conventional transformers and O-Gauge trains to now using the Legacy System and O-Scale Lionel Legacy trains. I wanted to ask how would I power my track to keep a steady 18-volts of AC power to my track while using the #990 Lionel Legacy Command Set. Previously, I would just use the conventional transformer to keep power to my track and run the trains. If anybody could help me out, that would be very much appreciated. 

-adkmodelrailroader26

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No different than before - you just need a transformer that can supply a constant 18v directly to the track. If you don't have a transformer that has a built in voltage output setting or display, you can check the track with a voltmeter to be sure you're getting 18v and then mark that spot on the transformer. 

The Legacy system only provides the Legacy signal to the layout. In common parlance, when the Legacy signal is hooked up, it "overlays" the track power.

 

Last edited by Richie C.

Today’s command control engines when powered up will first search for a command signal from your Legacy system. If no signal is present it will revert to conventional and respond to transformer input... when the engine detects the Legacy signal it goes to command mode and will respond to input from your Cab-2. 
Thats why you ALWAYS power up the Legacy base before applying power to the track.

Hope this helps...

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
800-980-OGRR (6477)
www.ogaugerr.com

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