ParkZone PKZ3980 - Manual (Page 11)

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Move the elevator stick on the transmitter forward and aft to
check elevator pitch control. When the stick is pushed forward,
the elevator should move down.
Mode 1
Mode 2
When the elevator stick is moved aft, the elevator
should move up.
Mode 1
Mode 2
Move the rudder stick left and right to check yaw control. When
the stick is pushed to the right, the rudder should also move to
the right.
Mode 1
Mode 2
With the rudder stick pushed to the left, the rudder should move
to the left.
Mode 1
Mode 2
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. Follow the
Reversing Flight Controls section to change the direction of the
various flight controls.
Once you’ve reconfirmed the flight control directions, all
controls should be functioning properly. However, if you continue
to encounter any problems with your J-3 Cub responding
properly to the transmitter, do not fly. Call the Horizon Support
Team at 1-877-504-0233, Horizon Hobby UK at +44 (0) 1279
641 097 or Horizon Technischer Service, Germany at
+49 4121 46199 66.