GU - 211 GU - 211 Gyro User Manual Gyro User Manual
Contents
1. lmr w LED 1 lights 228050 O Solid Green 1 3 Release SET button to enter the 1st programmable item Servo Type 1 4 Move rudder stick to left LED 1 lights Solid Red Analog Servo ai w esoo O 1 5 Move rudder stick to right a 2 1 Click SET buttion oa a LED 1 off soas o LED 2 lights Solid Green 2 2 Enter the 2nd progammable item Servo Travel Direction LED 2 lights aes Solid Green 8 Normal Direction Default 2 3 Move rudder stick to left Faiy DnE U b AIZ LED 2 lights E E Solid Red aoso O Reversed Direction 2 4 Move rudder stick to right gaa 4 ont Y b SIZ e2. wire is plugged into the Gain channel of your receiver For Futaba receiver Rudder channel is located in channel 4 CH4 and Gain in channel 5 CH5 For JR receiver Rudder channel is located in channel 3 CH3 and Gain channel in AUX2 For other remote control systems please read their user manuals for reference GAUI Rudder EUZ Micro 7 V7 Tit m Receiver Gain O 0 Oy o 0000 O A e GYRO INSTALLATION Please install the gyro close to the centre of fuselage and keep away from vibration Please don t install the gyro close to heat generation sources or strong electromagnetic interference sources or high vibration sources such as motor speed controller etc To isolate the vibration to the gyro a soft foam pad should be attached on the bottom of the gyro If helicopter tail drifts during flight please check the vibration source of fuselage and install the metal plate package included for high frequency vibration isolation purpose Normal Installation Installation With Steel Plate Adhesive foam eo Thin N Adhesive foam pad Thin l _Steelplate ___ Adhesive foam pad Thin SPECIAL HINTS FOR INSTALLATION ON NITRO POWERED HELICOPTER Please Install and handle with care If tail drifts please use the following methods for trouble shooting 1 Install the steel plat
3. GU 211 Gyro User Manual GU 211 Gyro User Manual FEATURES 1 This Gyro uses advanced MEMS Micro Electro Mechanical Systems angular rate sensor and AVCS Angular Vector Control System algorithm It is a super performance compact light weight gyro developed for model helicopter 2 Built in temperature compensation provides high precision direction control ability to eliminate the drift caused by environment temperature change 3 Dual working mode Normal Mode and Head Lock Mode switched by the sensitivity value of the GAIN channel of your transmitter 4 The program process is completely digitalized to make the gyro more reliable Each programmable value is adjusted by a SET button without any analog component such as trimming potentiometer 5 Compatible with digital and analog servo SPECIFICATION 1 Dimension 26mm 24mm 9mm 2 Weight 12g wires and connectors included 3 Operating voltage DC 4 5 6 5V operating current 50mA maximum current lt 100mA 4 Servo Analog Servos frequency 50Hz digital Servos frequency 333Hz servo neutral point 1520us This gyro is not compatible with following servos Futaba S9251 S9256 BLS251 JR 2700G 8700G 810G WIRING 1 Connect the rudder servo lead to the female connector on the gyro 2 There are 2 male leads coming from the gyro the lead with black red and white wires is plugged into the Rudder channel of your receiver and the lead with one single orange
4. e and try difference thickness of foam tape pads In general using thinner foam pads can provide better performance 2 Carefully fasten the gyro wires to avoid extra vibrations that affect gyro performance 3 After the above operations run the engine under idle speed and touch the gyro case to test vibration If no obvious vibration conducted to gyro the installation is successful Sf GU 211 Gyro User Manual START TO USE 1 Turn on transmitter and ensure the output signal is in good condition 2 Set the GAIN value above 50 in transmitter to select Head Lock Mode 3 Keep the rudder stick at neutral position and then power on the gyro That means connecting the battery pack to the speed controller to supply the receiver then the gyro gets its power supply from the receiver Don t move the rudder stick or the helicopter until the initialization process is completed Gyro cannot work properly if it is not initialized with Head Lock Mode Gyro Sensitvity 100 50 Head Lock Mode 0 50 100 Gain 4 Some old transmitters such as Futaba FF7S FF6S and T6XHS etc haven t the gyro sensitivity switching function in such a case the gyro sensitivity setting is performed by adjusting the ATV of the GAIN channel and the mode switching of Head Lock Mode and Normal Mode is performed by the switch position The figure is an example of sensitivity setting with a T6XHS transmitter In the hovering flight That is Head Lock M
5. e than 50 that means the zS Servo horn turns gyro will work in Head Lock Mode Put the rudder stick trimmer and sub trim at neutral position Clockwise 3S Move tudeen suey i elt J 3 Connect the rudder servo to the gyro switch on the main power the gyro starts initialization When the initialization is completed LED S lights solid green means the gyro is working in Head Lock Servo horn Mode while solid red means the gyro is working in Normal Mode Please reverse the direction of GAIN channel if the stops moving 3 9 Move rudder stick to center ay gyro is working in Normal Mode 4 Move the fuselage clockwise and anti clockwise to check the rudder servo horn moving direction i Servo horn turns 3 If wrong direction occurred please program the gyro correctly Anti clockwise SPO Move rudder sles te might G This is an important operation 5 Move rudder stick left and right to check the rudder servo horn moving direction If wrong direction occurred please program the gyro correctly This is an important operation 6 After the above procedures disconnect the main battery pack to power off the gyro and then reconnect the battery pack after a few seconds Check the gyro again to ensure the LED S is solid green after initialization 7 In Head Lock Mode make the rudder servo neutrally and then install the servo horn perpendicular to servo body 8 Adjust the length of push rod linkage to achieve stable hovering in the
6. et the switch to the Head Lock Mode position NONRESPONSIBILITY DECLARATION R C flight has potential danger We have tried our best to use the good quality components and high technologies to provide superior performance But for the unpredictable environment and conditions customers are also recommended to try their best to maintain proper installation and operation ensure power supply and control signal are stable and believable flight in legal flying field In that we have no control over the correct use installation application or maintenance of our products no liability shall be assumed nor accepted for any damages losses or costs resulting from the use of the product Any claims arising from the operating failure of malfunctioning etc will be denied We assume no liability for personal injury consequential damages resulting from our product or our workmanship As far as is legally permitted the obligation to compensation is limited to the invoice amount of the affected product PROGRAM THE GYRO The gyro can be user programmed by using the rudder stick of transmitter LED Status GU 211 Gyro User Manual Operation Servo Type Selection 1 1 After initialization completed hold SET button for 3 seconds Rudder Stick sooo O Solid Orange ira LED S lights 1 2 LED S lights solid Orange that means PROGRAM mode is activated m7 w LED 1 lights seco O Solid Green
7. modate the environment temperature for best performance 3 Carefully fasten the gyro wire and remain extra length to avoid extra vibration 4 Carefully check the rudder servo to maintain good condition 5 When the Gyro Is interfered accidentally the LED S will change to Orange color and flash slowly the gyro will quickly resume to working status to avoid crash Normally the resuming time lt 100ms After landing please click the SET button to clear the LED S alarm Please check the wiring the flying field circumstance and the battery carefully to search for the reason of interference before the next flight 6 Please adjust the rudder channel travel range ATV at both left and right side to get better symmetry and linearity 7 Carefully check all the settings data and connections before flight to avoid any accident GU 211 Gyro User Manual GU 211 Gyro User Manual Rudder Stick LED Status Operation LED STATUS Under different working mode the LEDs on the gyro have different status Servo Type Limit Travel limit of normal direction 3 1 Click SET button z z z Working Modes Rudder Stick Conditions LED Status a LED 2 off 3 2 Enter the step 1 of the 3rd Head lock Mode Neutral point LED S Solid green PERERA LED 3 lights programmable item Solid Green Servo Travel Limit of N
8. normal mode 9 Follow the program instructions to adjust the rudder servo travelling limits of left and right side 10 During the test flight establish a stable hovering by adjusting the sensitivity value of gain channel The suggested value should around 65 to 70 the most suitable value is gotten by test flights adjustment i If there is any tendency for the tail to twitch quickly from side to side it will be necessary to lower the gain value If the tail is precarious when pitch and throttle is rapidly changed please use higher gain value If you do need to use normal mode f please switch to normal mode after the gyro completes the Ball link position suggestion initialization in head lock mode Standard servo 12 17mm The picture at right side shows the rudder servo in neutral position Micro or mini servo 8 15mm The ball link position on servo horn should be referred to the user manual of your helicopter Ball link position GU 211 Gyro User Manual INITIALIZATION THE GYRO IN WORKING STATUS 1 Reset the rudder servo to neutral position Shake the rudder stick left and right at least 4 times at an interval of 1 second The traveling range should be at least half of the full range 2 Reset the neutral date of Head Lock Mode Move the rudder stick to the neutral position switch the transmitter sensitivity switch between Head Lock Mode position and Normal Mode position at least 3 times at an interval of 1 second or less then s
9. ode the gyro sensitivity is set to 72 and in the Idle up flight That is Normal Mode the gyro sensitivity is set to 54 The Head Lock Mode and Normal Mode are switched by the CH5 switch position Please always keep in mind that when the sensitivity switching is performed with the ATV setting the Head Lock Mode cannot be used at both side that means forward position and backward position of the CH5 switch for hovering and Idle up flight Transmitter Gyro ATV Setting Setting 100 100 Transmitter Setting CH5 Sensitivity CH123456 Switch 5 Head Lock 50 75 Mode 72 Forward Position a cH129456 Normal Lock 50 Mode 54 Backward 54 Position GU 211 Gyro User Manual LED Status Operation Rudder Stick Save Settings 4 1 Click SET button LED S 1 2 3 4 2 All the prepared settings are ready i i to be saved ont i Note All modifications will be canceled if the Soli power supply is cut LED 8 1 2 3 light simultaneously 4 3 Click SET button to save all the prepared settings Solid Green LED S 1 2 3 off LED 4S lights 4 4 The gyro goes back to the normal working mode Solid Green IMPORTANT NOTES 1 Carefully check the servo type before connecting it to gyro Never use an analog servo with the gyro programmed to Digital Servo Mode 2 Please place the fuselage to the flying field for a few minutes before flight It can let the gyro to accom
10. ormal Direction Head lock Mode Stick not at neutral position or initialization failed LED S Green rapidly flashes 2 times N IM N t LED S Solid red Pe oiram 3 3 Move rudder stick to left H orma Mede elat steele lb St Normal Mode Stick not at neutral position or initialization failed LED S Red rapidly flashes 2 times A Servo horn AEN i PEAT f stops movin sANovetiddersidkito center J Failure No radio signal or iaiia izaton faile aie S Orange slowly flashes Gyro initialization Keep rudder stick at neutral position and All LEDs light red for 0 5 second then ensure fuselage steady turn to green for 1 second then i Serro homn tums a E c9 p i A initialization tailed 3 fs Clockwise 3 5 Move rudder stick to right become solid green and LED S flashes slowly with Orange color Servo Type Limit Travel limit of reversed direction SET UP PROCEDURE The installation and set up process of the gyro are almost same as other brand products For a better performance please read the following instructions 3 6 Click SET button aa LED 3 lights 3 7 Pic 3rd 1 Follow the installation instructions on page 1 Select suitable type of servo digital analog before connecting the 2 Solid Red Servo Travel Limit of Reversed Direction tail servo to avoid permanent damage ORNER eR 2 Turn on transmitter and ensure the GAIN channel sensitivity is mor
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