Could someone please answer me from where the stabilized mode command came and the kill switch. I did not switch it to that mode with my RC.
It looks like you lost RC and the RC values went to a weird value before they were lost completely. What RC are you using? And have you checked RC failsafe before flying?
Radiolink T8FB and R8EF. RC loss failsafe is Return so it explains the RTL. I forgot the disable it before Mission but still I did not get the weird RC value.
Have you tried switching your RC off to check what happens (without actually flying)?
Yes it directly enters Return.