Owner manual
©2012  DJI  Innovations.  All Rights  Reserved.    10 
Flight & Configuration Procedure Brief 
1  For safety reasons, during configuration and system setup, please disconnect the power supply for Electric motor. 
2  Please do the following configurations in Manual Mode of the autopilot system. 
Steps 
Description 
Page 
B1  GPS&IMU Mounting 
Please measure the center-of-gravity (C.G.) of your helicopter, and fill in the 
distance between IMU/GPS and C.G. of helicopter in X, Y & Z axles; 
11 
B2  Control Mode Switch 
Adjust  your  transmitter  for  channel
U
,  and  then  you  can switch  the 
autopilot working mode between Manual / GPS Atti. / Atti.; 
12 
B3  Flybarless 
Please select flybarless ON/OFF. You might need to adjust parameters 
during test flight; 
13 
B4  Swashplate 
Setup you swash plates according to your helicopter specification; 
13 
B5  Pitch & Throttle Curve Setup 
Set pitch & throttle curve on your transmitter according to our suggestion; 
14 
B6  Tail Gyro 
Make  rudder  correctly  responding  to  your  transmitter  commands  (rotating 
C.W. or rotating C.C.W.); 
15 
B7  Engine Governor 
Both electric motor and gasoline engine require setting; 
16 
B8  R/C Transmitter Calibration 
R
,
P
,
A
&
E
  are required to do; 
17 
B9  SYSTEM CHECK  
Check controller output, IMU mounting and battery performance; 
18 
C1 Digital Compass Calibration 
Slide the control mode switch on transmitter 10 times, and WKH will enter the 
compass calibration mode; 
20 
C2 Manual Mode Test Flight 
Please strictly follow the procedure during flight test, you may need to adjust 
the following parameters to achieve the best flight performance: 
21 
B3  Flybarless control parameters if you’ve enabled Flybarless; 
13 
B6  Tail Gyro sense; 
15 
B7  Engine speed and Gov Gain for Gasoline / Nitro engine. 
16 
C3 Fail-Safe  
Please strictly follow the failed-safe setting procedure; otherwise this function 
might not be working correctly. 
22 
C4 Autopilot Test Fight 
Please strictly follow the procedure during flight test, you may need to adjust 
the following parameters to achieve the best flight performance: 
23 
B10  Autopilot control parameters; 
19 
B3  Flybarless control parameters if you’ve enabled Flybarless; 
13 
Lite Assistant  software of WKH  and WKH Lite are  different.  However WKH Lite  assistant  software  will  become WKH  assistant 
software automatically with a GPS module plugged into MC when you open the assistant software.   










