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Old Dec 03, 2012, 11:28 PM
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United States, CA, Rancho Cordova
Joined Jan 2011
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Originally Posted by unochen View Post
ZYX firmware upgrade to version 3.50.rar(only use in ZYX)

ZYX-S firmware upgrade to version 3.50.rar(only use in ZYX-S)

1.Optimize the heading hold control, eliminate bouncing when spin brake.
2.Optimize the main rotor control, eliminate swing while tic toc.
3.Accelerate the response speed of joystick, so that the helicopter can follow your hands better.
4.Optimize the pirouette compensation to make pirouette flight more stable.
5.Improve the joystick dead band setting to make stick control smoother.

First Flight Attention with 3.50 Version:
1.During first flight, if there are hunting or swing with you helicopter, please decrease the D gain on corresponding axis first.
2.When tail servo is on neutral point, set the tail pitch to be approximately 8°in the direction that compensates the main rotor torque by adjusting the linkage length.
3.If the brake speed of left and right pirouette are different, please adjust the "Deceleration L" or "Deceleration R". The higher parameter value, the break will be faster.

Firmware upgrade instruction
1.Connect the ZYX gyro to PC by ZYX USB adapter,click "Connect ZYX",make sure it succeed.
2.Open the Firmware in ZYX PC software.
3.Keep the PC,USB adapter and ZYX gyro connecting.Power off ZYX gyro,press "SET" button of gyro and power on.
4.The red lamp is flashing,click "Upgrade" button to start upgrade,the ZYX gyro will restart after successful upgrade.
5.Please make sure your gyro is Tarot ZYX,otherwise the gyro will be damaged.The ZYX gyro does not need to be setup again.

Tarot ZYX Gyro on gasser
I'm trying to upgrade my ZYXs to 3.5. I guess I have to install winzip? Is there any other way to download the program. I'm not a computer guy. When I tried to download winzip, it says I have to purchase it. Is that true?
Thanks guys, Its my first attempt to use only satellite in a Align Trex 25. DFC. I have 4 other ZYX in 450s and 500
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