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F/W Version 2.1 

12 

12.2.

 

AUX Mode 

 

See P5 "6.2.AUX Mode". 

12.3.

 

Wing Type 

 

See P7 "6.9.Wing Type & Mixing". 

12.4.

 

Gain Menu 

12.4.1.

 

Master Gain 

 

See P7 "6.7. Master Gain Control Channel (GAIN)". 

12.4.2.

 

Gain Adjustment for each Flight Mode 

This function is used to set the gyro gain 

of  aileron,  elevator  and  rudder  for  each 

flight  mode.  The  gain  can  be  set  from 

0%  to  100%,  the  higher  the  gain,  the 

more  stable  the  aircraft.  The  gain  is  affected  by  many  factors  there  is  no  standard  answer  to  that  how  much  it 

should be. You need to fine-tune carefully to get the best result. The aircraft will become vibrative if the gain is 

too large, you'd better start with a lower volume for your first flight and then increase it gradually. The function of 

remote master gain will make it much more convenient for changing the gain during flight. 

12.4.3.

 

Gain Ratio 

In  order  to  meet  more  needs, 

A3X Pro E.

  provides  3-level  gain  ratio  for  each  flight  mode. 

The  ratio  can  be  selected  between  Small  (S),  Medium  (M)  and  Large  (L),  default  is 

Medium which will be suitable for most aircrafts. You can choose a larger level when the 

current  gain  is  still  not  large  enough,  even  when  it  has  been  set  to  the  maximum.  But 

remember that always use as small ratio as possible to improve the precision of gain adjustment. 

12.5.

 

Mount Orientation 

As mentioned in P4 "5.Installation", you have to choose the correct mount orientation here 

after installation. Incorrect setting will result in an unexpected failure. 

 

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                                                                                                                      Sept. 12, 2013                             

 

 

 

 

   

Summary of Contents for A3X Pro

Page 1: ...startup process and resume working very quickly after a reboot Self test and gyro calibration will be skipped in the fast start mode to avoid losing control of the aircraft See P9 Brown out Fast Recovery for more details The newest firmware files for A3X Pro Expert Ver 2 1 and some additional software can be downloaded from our website HTTP WWW BAY TEC DE The download package also contains a step ...

Page 2: ...aircraft during initializing while the LED flashing WHITE rapidly Always verify that the gyro compensates in an correct direction before every flight 9 Following the suggestions on your first flight Switch to normal stabilization mode set all the gyro gain to a lower volume about 30 or turn off the gyro completely Adjust the trimming buttons on the transmitter to find a appropriate zero offset for...

Page 3: ...pter Please check out our website WWW BAY TEC DE for the latest updates and downloads 2 Features Integrated design of 6 axis 3 gyro 3 acc MEMS sensor for self stability and self balance Advanced brown out fast recovery ability provides you better security and reliability 4 flight modes Normal Stabilization 3D Attitude Locking Self balance and Gyro Deactivated Modes 4 AUX modes to define functional...

Page 4: ...entation using the program card or config tool As the controller is designed for balancing please make sure that the mounting platform should be parallel to the horizon and locate the controller as close to the CG as possible The function Level Offset can help you to correct the deviation of installation When mounting make sure the longer side of the controller is along with the heading direction ...

Page 5: ...econd group of input pins including AUX Mode 1 Mode 2 Mode 3 and Mode 4 These 3 pins can be used as AIL2 ELE2 Flight Mode FMOD or Master Gain Control GAIN as the chart below shows In this case we choose AUX mode 3 AUX Mode AUX3 AUX2 AUX1 Mode 1 FMOD ELE2 AIL2 Mode 2 GAIN ELE2 AIL2 Mode 3 FMOD GAIN AIL2 Mode 4 FMOD GAIN ELE2 6 3 Transmitter Preparing Create a new model and set the model type as fix...

Page 6: ...nd the receiver using the included plain 3 wire cables which have only one lead of the control signal on the receiver side and are connected to the controller on the combined connector The controller requires at least 3 receiver channels up to 7 channels The channels of AIL ELE and RUD must be connected all the time otherwise the controller will not work The other 3 pins should be connected accord...

Page 7: ...trol Once connected the master gain will be controlled by the transmitter directly Only when the pin is disabled or unconnected the master gain can be modified via the program card or config tool 6 8 Dual Aileron Elevator A true dual aileron and elevator system is available now on A3X Pro E the OUT4 is for the 2nd aileron servo and the OUT5 is for the 2nd elevator servo Mostly we use two aileron s...

Page 8: ...F W Version 2 1 8 HTTP WWW BAY TEC DE Sept 12 2013 ...

Page 9: ...ed you must get AIL ELE and RUD connected Solid Red Gyro deactivated mode ready for flight Solid Blue Normal stabilization mode ready for flight Solid Violet 3D flight mode ready for flight Solid White Self balance mode ready for flight Others Green Fast Flashing Stick centering 9 Start Up Steps To achieve the best performance please follow the steps below before every flight Step 1 Turn on the tr...

Page 10: ...tion You can exit the setup mode by simply pulling out the cable 11 1 Buttons UP Scroll up the menu or increase the value DN Scroll down the menu or decrease the value ESC Exit without saving the modified and return to the menu ENT Enter the function or save the value hold it over 2 seconds to restore to the default setting 11 2 Device Connection After connected the card will begin initializing an...

Page 11: ...ss and hold the ENT button over 2 seconds can restore the default settings when in edit mode 12 Functions 12 1 Flight Mode It is used to preset the flight mode for the 3 position switch Normal Stabilization Mode NORM The most basic function of the gyroscope In this mode the gyroscope will sense roll velocity and make a momentary compensation for each axis which improves the stability during flight...

Page 12: ...ower volume for your first flight and then increase it gradually The function of remote master gain will make it much more convenient for changing the gain during flight 12 4 3 Gain Ratio In order to meet more needs A3X Pro E provides 3 level gain ratio for each flight mode The ratio can be selected between Small S Medium M and Large L default is Medium which will be suitable for most aircrafts Yo...

Page 13: ... for each channel When set to OFF all gyro functions for the corresponding channel will be disabled whatever the flight mode is 12 8 Gyro Direction It is extremely important to make sure that the gyros of all channels are compensating in the correct direction before flight otherwise it could lead to losing control or even crash during flight To perform the examination power on the aircraft pick it...

Page 14: ...ou may need to check the manual of the servos If you don t know what the maximum frequency your servos can tolerate please keep the default setting 50Hz A higher driving frequency can lead to a failure of the servos 12 10 Response Rate A3X Pro E provides five levels of response rate the faster the rate the more sensitive the gyro The default setting is acceptable for most aircrafts To optimize the...

Page 15: ...ute angle error caused by installation of the controller When operating in self balance mode such errors may result in the climbing up or sliding down of the aircraft In this condition a angle compensation is needed to make the aircraft maintain level flight The value can be set within the range of 20 for both roll and pitch axis The following illustrations show you that what happens if a angle er...

Page 16: ...w to perform centering Step 1 Get the controller connected from receiver by the corresponding channels first Step 2 Turn on the transmitter keep all the sticks in the center position Step 3 Power on the controller and receiver get it ready to work Step 4 Plug the program card into the controller and select the function Stick Centering press the ENT button to start the card will display Calibrating...

Page 17: ...ata Save In order to make a backup or sharing of the settings you can save 5 copies of the data into the internal memory within the program card Press UP or DN buttons to select the corresponding archive and press ENT to save them indicate the saved archive data will be overwritten if saving it again 12 15 2 Data Load It is used to load data from the saved archive within the card after loaded the ...

Page 18: ...F W Version 2 1 18 12 15 6 Data Reset Restores the controller to the factory default settings It will be useful to reset the device when it doesn t work HTTP WWW BAY TEC DE Sept 12 2013 ...

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