hey guys, I hope sombody can help. I have a rc logger navigator. I have had this for awhile its been alot of fun. For some reason on the tx it says err1.0 . Because of it ,it wont let me calibrate it.Ive tried the place i baught it from no answer,I emailed the co. that they buy it from nothing.I cant find anything on trouble shooting online.If anybody can help Id appreciate it. thanx.