AR637T Receiver Setup via Forward Programming - Horizon Insider Tech Talk You asked for a receiver that was simple to program. You asked for AS3X that was easier to set up. You asked for universal SAFE Select! The Spektrum Product Developers listened and responded by introducing the newest generation of aircraft receiver! Gone are the days of downloading files from the internet to mimic the AS3X settings you want... or struggling your way through a cellphone based app. Spektrum Forward programmi

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