Normal mode:
Trim input for Nose Up
Trim tab moves up
Increased airflow hits trim tab, generates downforce on elevator
Elevator locked by hydraulic pressure
Downforce on elevator transferred to tail
Nose moves up
Manual Reversion:
Trim input for Nose Up
Trim tab moves up
Increased airflow hits trim tab, generates downforce on elevator
Elevator not locked by hydraulic pressure, elevator moves down
Increased airflow hits elevator, generates upward force on tail
Nose moves down
How do you not understand this?