Help! How to set up a DEVO 7 radio transmitter

[pilon707]

Why do the display and monitor show different readings when the TRHO handle is in the same position? And why do quadcopter motors start spinning on their own with acceleration when the TRHO handle is at the bottom?

 

[pilon707]

How to set the lower end point of the throttle to 0% at the DEVO 7 transmitter.