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Feiyu Electronics Company
Recording Neutral Value on the Ground
Step 1: Set up your aircraft and ensure correct FY31AP orientation, position & leveling. Ensure
the Mode 3 (auto stabilization) Elevator, Aileron and Rudder movements are in the correct
direction.
Step 2: With power OFF, move Dip Switch No. 4 to 'ON' position.
Step 3: Place your aircraft on a table. Arrange the aircraft so that is perfectly level. Position
the aircraft exactly as you wish it to be during auto stabilization flight (i.e. fuselage and wings
perfectly level).
Step 4: ON your transmitter and zero all your trims. Power up the FY31AP in Mode 1
(Manual Mode). Confirm there are no deflection to the Aileron, Elevator and Rudder
surfaces by adjusting your servo links. Re-confirm that your aircraft is perfectly level. This is
your aircraft Neutral position.
Step 5: While in Step 4 leveled position, activate Mode 3 (Auto Stabilization Mode) for at
least 2 seconds. Since Dip Switch No. 4 is ON, the FY31AP will now record the Neutral
Point.
Step 6: After 2 seconds, switch back to Manual Mode and power OFF.
Step 7: Move Dip Switch No. 4 back to OFF position. The procedure is complete and the
system is ready for flight.
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OFF
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