No output from servo rail rc1-4

Anyone can help me to solve this problem?
i have completely do first calibration for my ph board with arduplane 3.7.1.
when i connect it to the servo to test with flight mode then nothing happen…
already arm my board.

i check the status for input and output for rc1 -rc4 and it respond to the input…
the main problem here i still cannot make the servo move…

i powerup my servo rail with 5V bec…

anyone can help me please (^_^)

This is the PX4 forum, you are loading Ardupilot

Have you set the safety button correctly?

i am using pixhawk as my fc…
safety button for arming right?
i didnt put my safety button while test the servo…