Phantom 1 tx not responding after taking apart and adding tilt leveR. veri upgrade board/receiver/h3-2d all updtd..when i load up naza assistant 2.20 it recognizes the receiver..shows mode failsafe...sticks indicator are black and all the way to right..veri tx switch in GPS..receiver type set to d-bus..i made sure tx is bind to the receiver..calibrated tx..Desperately seeking help..