1/4 Gain Channel Plug(Red) Tail Channel Plug (Black
Contents
1. Setting Up Your Gyro For The First Time Follow the steps below in the specified order to successfully deploy your gyro OA E E e Oo Fix the gyro on your model please stick the gyro to the stable place of the helicopter with the double sided adhesive tape If there is a high vibration environment please plus a steel plate to help to reduce the influence Connect the gyro to the receiver don t connect the tail servo to the gyro at this time Ensure that the transmitter trims and sub trims are set to zero and that collective pitch to tail pitch mixing is disabled Power on your Rx and gyro Select the correct servo type as describe in the Servo Type Selection section of this guide Power off your gyro Connect the servo to the gyro then power on it Follow the manual to set the gyro direction high servo endpoint and low servo endpoint Quit setting and back to stand by way Adjust gyro gain via your transmitter Confirm all things and ready to fly Servo Type Selection GA 250 was designed to work with all modern digital tail servos don t use any analogy tail servo at all There have some different type digital servos and when use wrong setting you will broken your servo or not working correct so please do this job in the first step Here is the way to access the servo configuration mode Power on your Gyro and when it Blue flashing toggling the gain switch three or more times quickly2. servo position until you achieve maximum tail rotor pitch without binding on the mechanical limits When satisfied toggle the gain switch to Rate and AVCS one time to next setting Light Status eee Increase Pull the rudder stick to high end direction Decrease Pull the rudder stick to low end direction Step 3 Adjust Low Servo Endpoint Now you are in Adjust Low Servo Endpoint Like the High Servo Endpoint setting Using your Rudder stick adjust the servo position for maximum tail pitch without binding Light Status 000o Increase Pull the rudder stick to low end direction Decrease Pull the rudder stick to high end direction Now you complete all the setting you need exit setting mode By toggling the gain switch to Rate and AVCS three or more times quickly Your gyro return the working mode if you toggling the gain switch one time you will return to Gyro Direction Reversion setting Note 1 At any process in setting mode you can exit the setting mode by toggling the gain switch three or more times quickly Note 2 At working mode when you need recalibrate the gyro anytime you should toggling the gain switch three or more times quickly Have Fun ASSAN Electronic Control Technology Co Ltd http www assan cn 4 4
3. ASS N GA 250 Micro Gyro Manual GA250 Micro Gyro User Manual v3 0 GA250 is a high performance advanced AVCS MEMS gyro specially designed and optimized for your RC helicopters It s with Very small size and Very light weight It s easy in setting practical functions wide scope of applicable servos Digital only and superior head lock performance even for your hard 3D application Technical Features Sensor MEMS lt System control AVCS Angular Vector Control System lt Dual gain function two operational modes can be selected through the transmitter AVCS mode and Rate mode lt Compatible with all digital servos include 1520us 760us and 960us Technical Parameters 1 Operating voltage DC 3 0 9 0V 2 Operating current 20mA At 5 0V 3 Operating temperature 15 C 60 C 4 Dimensions 21 x 21 x 10mm 5 Weight 8 0g Include Connectors and Wires Components Functions Gain Channel Plug Red Tail Channel Plug Black Status LED Tail Servo Joint 1 4 ASS N GA 250 Micro Gyro Manual Status Light Status light Describe Blue Fast Flashing Gyro Calibrating Steady Blue Light AVCS Mode Operating Mode Blue 2 Flashing AVCS Mode Rudder stick not centered Light Down Rate Mode Error Codes Gyro not receiving gain signal Please checking the Red Slow Flashing f wire and plug Gyro not receiving rudder signal Please checking Blue Slow Flashing the wire and plug
4. in your radio You have Servo Type Setting mode now By pull the rudder stick left or right you got different type The number and the colors of flashed indicates the currently selected servo type 2 4 ASS N GA 250 Micro Gyro Manual Operation lt Move the rudder stick to left Move the rudder stick to right gt Light j X 00o 000o Status Type 760us 1520us 1520us 333Hz 960us 333Hz 560Hz 250Hz Futaba Futaba S9253 Align DS410 JR 2700G LogicTech 6100G BLS251 Futaba S9254 Align DS420 Futaba S9251 JR 8700G LogicTech 3100G Hitec Futaba S9257 Align DS510 Futaba S9256 JR 810G HSG 5083MG Futaba S9650 Align DS520 MKS DS8910 Sky HDS 577 Futaba S3153 Align DS610 MKS BLS980 Sky HDS 877 Model List Futaba 3154 Align DS620 not all Futaba BLS254 Align DS650 JR 8900G Hitec 5925MG JR 3400G Hitec 6965HB JR 3500G Hitec 5083MG Airtronics Sanwa 94758 ERG WRX Airtronics Robbe FS61BB 94761 Note if your digital tail servo is not listed in the above table please ask your supplier or visit the manufacture s assist site to get support information Incorrect setting may damage the servo or maybe loss tail control during flight After you changed and got right servo type you need exit Servo Type Selection by simply power off the gyro Configuration Connected your tail servo to the gyro power on your system After Gyro calibrated Follow the instruction you ca
5. n adjust the gyro direction high servo endpoint and low servo endpoint as described below Note Blue Lighting number means in which setting mode Red Lighting number means what s your choice Step 1 Gyro Direction Reversion Pull your transmitter s rudder stick to the left end or to the right end toggling the gain switch three or more times quickly Your gyro s red and blue both lighting steady then release your stick to neutral Toggling the gain switch to Rate and AVCS one time you will have in gyro direction reversion setting 3 4 ASS N GA 250 Micro Gyro Manual Operation lt Move the rudder stick to high end Move the rudder stick to low end gt Light Status ee ee e Gyro Direction Normal Reverse The gyro has two move directions Normal and Reverse Rotate the helicopter at least 90 degrees counter clockwise in an attempt to oppose the rotation and maintain the helicopter heading the gyro should have now moved the tail blades in the same manner as if right rudder was applied the direction of the gyro is correct If its not please change the setting The step above is critical If the gyro direction is wrong the helicopter may yaw at high speed and cause an extremely dangerous situation when taking off Step 2 Adjust High Servo Endpoint When set gyro direction ok toggling the gain switch to Rate and AVCS one time you are in Adjust High Servo Endpoint setting Using the Rudder stick adjust the
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