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Castle Creations Field Link Tuning Card & USB Programmer
Sometimes you need to make a change in the programming of a Castle controller and you just don't happen to have a laptop in your man purse. What to do? There's always the old stick programming method that we all love to hate. Yes it works, but... there has to be a better way. Now there is Field Link!
Field Link allows you to modify the most commonly used settings in your Castle controller all at the touch of a single button. No computer needed (mostly). Simply connect the Field Link to the throttle lead of the controller and power the pair as described below. Click the button to scroll through and change the indicated settings. Can't get any easier! USB to computer link included.
 "Castle Creations Field Link Tuning Card & USB Programmer")