spektrum 4649

Hi, I have a spektrum 4649t receiver (http://spektrumrc.com/Products/Default.aspx?ProdID=SPM4649T) in my new build. When I first powered it up the receiver was automatically in bind mode (rapidly flashing light), this surprised me because it doesn't have an autobind feature like the 4648...

Hi, I am planing to build up the xhover stingy frame and I have a few uncertainties. 1. I want to use the Betaflight f4 fc but I don't know where to solder my spectrum receiver that takes 5v. spektrum receiver: https://www.spektrumrc.com/Products/Default.aspx?ProdID=SPM4649T Betaflight f4...