ParkZone PKZ3400 - Manual (Page 10)

8
5. With the elevator stick pulled back, the elevator should move
upward.
If at any time during the test the controls respond in the opposite
direction, it may be necessary to reverse/change the direction of
operation of the flight controls.
Please see the section labeled
Reversing Flight Controls located in the back of this manual.
Note: It is very important to make sure that the control surfaces
(rudder and elevator) are at 0 degrees, or neutral, when the surface
control sticks are centered.