"yup , i have connected the APM , and i have opened the flight modes , but i don't know what to do next ! , i am stuck ! , there are the a lot of modes , stabilize mode , Althld mode , etc .. i want to know how to work on the stabilize mode ?! , what…"

"i want to ask , i am using an APM and i can't get the flight modes , i don't understand the way to work it out , i have opened the mission planner , but i can't move from there .. any help ?!"