Futaba 8FGAS, 8FGHS 2.4GHz - Manual (Page 123)

123 <Functions of Model Menu (Helicopter Functions)>
[Low/High pitch trim setting]
High Pitch/Low Pitch Trim
High Pitch/Low Pitch Trim is the pitch servo
high side and low side trim function.
Setting method
● Set the function to ACT (ON).
● Select the adjustment knobs.
Selection example: LS (high side), RS (low
side)
● The trim rate can be adjusted and the
operation direction can be changed.
● Trim acts as high side or low side trim with the
center as the standard.