The throttle is set at a constant speed ..by moving the stick you can slow the motors down or speed them up (theres 3 settings Slow-Normal-High). I've found that the neutral setting allows it to climb fairly fast...The slow setting lets it slowly sink. The fast throttle is nearly unused except when the pack gets very low.

The control range is excelent. By the time it goes out of range its to small to see anyway. Because of the strange throttle I dont think an AA tx could be addapted to it...However the TX could be made WAY better by litterally cuting the blulky thumb pad off the top. If that was done it would leave about a 1/2" of stick left. I think I may try that later.