2/9/2018
SunFounder 250+Radiolink T8FB Remote Controller(Assembled) - Wiki
http://wiki.sunfounder.cc/index.php?title=SunFounder_250%2BRadiolink_T8FB_Remote_Controller(Assembled)
19/22
Pull the assistant channel at the right upper corner of the radio transmitter to check the gear corresponding to the flight mode
(self-stabilization, semi-self-stabilization, and manual mode).
For example, pull it to the highest, and it is Stabilized1.