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1. 81 Declaration of conformity vis s ears RAV RA TR ERR ER 81 MICROBEAST oVervieW visse kssa A ERREECERECHEAE eR VA YI 82 Adjustment options ccc ccc ccc ccc hh hn n 83 My servo 56LV0 y ws ARA TAE A ARR QUK EAR FUROR ACRI RUN 84 SAFETY NOTES Radio controlled R C helicopters are not toys The rotor blades rotate at high speed and pose potential risk They may cause severe injury due to improper usage It is necessary to observe common safety rules for R C models and the local law You can gather information from your local R C model club or from your national modelers association A Pay attention to your own safety and the safety of other people and property in your vicinity when using our product Always fly in areas away from other people Never use R C models in close proximi ty to housing areas or crowds of people R C models may malfunction or crash due to several reasons like piloting mistakes or radio interference and cause severe accidents Pilots are fully responsible for their actions and for damage or injuries caused by the usage of their models The MICROBEAST System is not a flying aid for beginners It replaces the conventional mechanical flybar on most R C helicopters It is absolutely necessary that you have flying experience and that you are
2. Adjustment tool USB Interface Receiver wiring leads 8 cm Ull 2H f f Cable for stand alone tail gyro use Spektrum Adapter EB m 10 3 MOUNTING AND CONNECTION 3 1 Mounting the MICROBEAST unit Attach the MICROBEAST unit by using one of the provided gyropads at a preferably low vibrating position on your helicopter such as the gyro platform or receiver platform You may also need to choose another type of mounting pad depending on the vibration pattern of your helicopter Ask you MICROBEAST dealer The MICROBEAST unit can be attached flat or upright and even upside down under the helicopter However the servo connector pins must always point toward the front or rear of the helicopter Fig 1 Pay attention that the edges of the MICROBEAST unit are all parallel with the corresponding axes of the helicopter And be sure that the mounting platform is perpendicular to the main shaft _ _ Connectors parallel to the longitudinal axis Longitudinal axis Fig 2 11 3 2 Preparing a transmitter for flybarless The following step is unnecessary when using the MICROBEAST with the optional cable for stand alone tail gyro use see 4 1 2 In this case you can setup your transmitter as described in the transmitters manual MICROBEAST then acts like any other tail gyro system using rudder and gain channel
3. 1 Fig 6 Tail servo 2 17 4 2 Use of single line receivers The MICROBEAST enables the use of conventional receivers with individual channel outputs or the use of special receivers which output the channel signals as a merged single line signal These include Spektrum satellite receivers PPM composite signal receiver e g robbe Futaba SP Series receiver Satellite receivers by Jeti Graupner HOTT receivers in SUMO mode receivers with Futaba S BUS as well as receivers with SRXL compatible data output e g SRXL Multiplex BEASTRX Graupner HOTT SUMD mode 4 2 1 General notes When operating with single line receivers Spektrum satellite receiver in direct connection PPM composite signal receivers receivers using Futaba S BUS protocol or SRXL compatible receivers the throttle servo motor controller can be connected to CH5 on the MICROBEAST When using a motor controller for electric models with a BEC this slot then also will be supplying the MICROBEAST the servos and the receiver with power We recommend if possible e g on all receivers that have normal servo connectors together with single line output to connect the throttle servo motor controller directly to the receiver to benefit from the native Failsafe Hold functions Although the MICROBEAST also has adjustable Failsafe for CH5 this will only be activated when the connection between MICROBEAST unit and receiver fails
4. At receiver menu point you have to program the fail safe position for the throttle channel If during ope ration the received signal is interrupted the throttle servo motor controller connected to the output CH5 is automatically reset to this fail safe position To avoid accidents you should program electric motors to off and reduce throttle on nitro helicopters to idle We recommend to directly connect speed controller and additional functions to the receiver to use the Failsafe Hold functions of the remote control system see 4 2 1 But you can also CH5 and CH6 on the MICROBEAST for these functions Set the throttle channel on your remote control to the desired position and press the button briefly If you did not connect a function to CH5 anyway press the button to complete setup lt LED Q flashing Status LED flashing red blue Set throttle channel to Push button qm failsafe position shortly 4 Failsafe programming Fig 14 For the other channels there is no fail safe programming In case of interruption of the recei ved signal these channels just hold the position corresponding to the last valid signal This completes the basic receiver setup and the MICROBEAST will go into sleep state after the button is pressed all menu LEDs flash Power off the unit and proceed as described in the next chapters 31 6 SETUP PROCEDURE OVERVIEW After power on or on exit of the receiver type setup
5. e BEASTX SANDE IN GERMAN lt Version 3 0 INSTRUCTION MANUAL e BE ABSOLUTE STABLE MM MICROBEA AXIS MEMS GYROISYSTEM FOR AIRCRAF INSTRUCTION MANUAL CONTENTS CONTENTS TE VES FREUE 4 1 238484 6 GENERAL INFORMATION 8 T INTRODUCTION 9 2 BOX CONTENT 10 3 MOUNTING AND CONNECTION cccccccccccccccccccsccescsscceccees 11 3 1 Mounting the MICROBEAST Ubilt S dees exe E E EXT EX 11 3 2 Preparing a transmitter for flybarless 12 3 3 Servo connections and auxiliary channels 13 Receiver connection ender eee e RES 14 4 1 Connection of a standard 15 4 2 Use of single line ccc cc cence ence e IH 18 5 Receiver type setup 24 5 1 Receiver type choice receiver menu point 24 5 2 Input channel assignments receiver menu points 26 5 3 Programming the Failsafe receiver menu point 31 6 SET
6. AX Before the first take off make a stick direction check and again make sure that the sensors are correcting to the right direction when you tilt roll or yaw the helicopter by hand It is normal that the swashplate might moving only slowly back to its original position after a stick input and that the servos don t run at the same speed as your sticks In comparison to a flybar head you are not controlling anymore directly the servos but controlling rotational rates like for fly by wire The control of the servo is left to the control loop in the MICROBEAST Thusitis also normalin HeadingLock mode that the tail servo will stay in its end position after a tail stick input or tail movement and that it does not always react immediately to a stick input For the same reason it is also normal that the rudder servo runs to the endpoints with small stick inputs 74 We recommend to remove main and tail rotorblades before the first flight and let the motor engi ne run at all speeds Caution Risk of injury Watch whether the swashplate automatically starts to tilt in one direction or begins to twitch at a specific speed This usually is a sure sign that the helicopter mechanics vibrate at a very high frequent range which disturb the sensors of MICROBEAST Before the first flight it is absolutely necessarily to prevent the cause of these vibrations Often simply the attachment of the cables or MICROBEAST is not optimal so that vibrations can ver
7. The helicopter slowly drifts by itself on aileron elevator and or tail The swashplate is perfectly leveled and no sub trimming is present in the radio nor is any mixing function active This behavior seems to be influenced by the rotor head speed 78 Reason Too little control travel on the rudder channel Connector from the rudder channel inserted incorrectly Wrong mounting orientation has been selected The gain of tail gyro is too low in the transmitter or even not on the right channel This indicates to a vibration problem which interferes with the sensors of the MICROBEAST Solutions Increase the servo throw dual rate for the rudder channel in the TX Check that the connector for the rudder channel orange wire is inserted correctly in the receiver In setup menu point select the correct mounting orientation Adjust the Gain in the transmitter Correct wiring or setup of tail gain cable channel Check the whole helicopter for imbalances In electric helicopters the motor can cause high frequent micro vibra tions Balance the tail rotor blades very accurately Check the tension of the tail belt Choose another mounting position for the MICROBEAST Try other types of gyro pads Description The helicopter wobbles on aileron and elevator axis Reducing the swashplate gain does not help to suppress this effect completely The tail rotor t
8. befo re adjusting the tail dynamic Increasing the tail dynamic will lead to harder stopping behavior and more aggressive response to tail stick inputs If the dynamic is too high the tail will bounce back shortly after a hard stop and feel spongy when making fast direction changes If the dynamic is set too low the tail feels dull and stopping might be too soft Ideally the tail should stop perfectly to the point without making any flapping noises 61 8 4 Tail gyro gain adjusted by the transmitter As with a conventional tail gyro the tail gain can be adjusted by one of the transmitter s auxiliary channels In one direction you can select the Normal Rate mode and in the other direction HeadingLock mode The color of the Status LED indicates the selected mode when the MICROBEAST is ready for operation Purple indicates Normal Rate mode and blue or exceptionally flashing blue indicates HeadingLock mode Additionally while adjusting the gain or shortly after the first start up the current amount of gain is displayed by one of the menu LEDs for about 10 seconds So you always know the actual amount of gain in your helicopter as percentages will depend of the used transmitter When the gain channel is centered this will correspond to 0 gain indicated by LED In both modes the maximum adjustable tail gain is 100 and will correspond to LED Q but the actual percentage in the transmitter will depend on its brand and or type For the first
9. different options within a menu point blue flashing blue red _ The number of possibilities ILICHSS Ly 3 IL CHS 2 E ILICHSS 5 3 depends on the menu point OW gt H1 H2 H2 H2 Push button shortly JE sys AUX PIT RUD AUX PIT RUD 012 ICM7ICM6 5 012 ICM7ICM6 z ELE DI1 ELE DI1 e e AIL CH5 lt AIL CHS DUE CHi gnus CH2 CH2 CH3 CH3 CH4 CH4 Menu point 0 Menu point 35 7 SETUP MENU Before the first flight the MICROBEAST has to be adjusted to your helicopter and the used components When the MICROBEAST shows that the system is ready press and hold the button down the menu LED next to menu point will begin to flash and then after a while will be steady on Now and only now you can release the button You just entered the setup menu in menu point 6 To leave the setup menu you have to skip through all menu points by pressing the button several times After pushing the button at menu point you will exit the setup menu and the system is ready for operation again None of the LEDs are glowing anymore see chapter 6 If there is no stick or button input for 4 minutes while being the setup menu the MICROBEAST will exit the menu automatically This will not happen during setup points Q and to give you enough time to adjust the mechanical setup of your helicopter Factory Reset To reset the MICROBEAST to factory settings you can at any setup men
10. critical and will not impact flight performance Status LED Swashplate servo frequency The color and state of the Status LED shows the purple currently selected frequency red flashing red 120 Hz blue flashing 165 hz blue 200 Hz Factory Setting off User defined 38 To select the desired servo frequency move the tail stick repeatedly in one direction until the Status LED lights in the correct color The option user defined allows you to define your own setting with the PC software The MICROBEAST can be used with nearly all available servo types However the selected servos should be adequate for flybarless operation high torque and also fast and precise The quality of the servos will have a direct influence on the range of rotor blades that can be used The more the servos are suited for flybarless operation the less important is the flybarless specificity of the rotor blades The use of a bad servo rotor blade combination will lead to several issues ranging from oscillations du ring hover to unwanted reactions in fast forward flight Push the button to save the configuration and to proceed to setup menu point 39 8 Tail servo center position pulse length At setup menu point 9 you can select the pulse length for the tail servo s center position Almost all commercially available servos work with 1520 us But there are a few special tail servos on the market which use a different center position pulse
11. cyclic load on the flybarless system allows the MICROBEAST to pre compensate for the torque variations on the tail before any noticeable deviation This method of torque pre compensation RevoMIX relieves the tail control loop and improves the tail performance especially when using MICROBEAST on helicopters with insufficient tail authority and or extreme motor torque well powered electric helicopters To see the compensation direction you can move the collective pitch roll and elevator control stick at any time With active feedforward the tail rotor has to produce a deflection which is must counteract the rotor torque Since at 0 pitch the least torque is applied by the main rotor also tail rotor makes the least deflection as no additional deflection is added If you pitch in positive or negative direction or move aile ron or elevator control a deflection will be added to the tail rotor which must always act against the torque of the main rotor For helicopters with clockwise rotating main rotor the precompensation has to steer the tail always to the left nose of the heli to the right The deflection will be held always in the same direction whether positive or negative pitch as the torque only increases At 0 pitch and no cyclic control input the torque is at its lowest Once a control input is given the tail slider the tail rotor will move slightly in a given direction Cylce through the various op tions and find the direction
12. experienced in the operation of R C helicopters Otherwise we suggest you to seek the support of an experienced helicopter pilot before you undertake the first flight of your model Additionally flight training with a R C simulator can help make flying easier and more enjoyable Ask your local dealer if you need technical support or if you observe problems during the usage of our system AX Please read the following instructions thoroughly before the first use of your MICROBEAST and setup the system carefully according to this manual Allow sufficient time for the setup procedure and check each step carefully Watch for a mechanically clean and proper build of your helicopter A wrong system setup can lead to a serious accident and damage to the model AX Radio controlled R C models consist of several electrical components It is therefore necessary to protect the model from moisture and other foreign subtances If the model is exposed to moisture this may lead to a malfunction which may cause damage to the model or a crash Never fly in the rain or extremely high humidity Do not expose the MICROBEAST System to extreme variations in temperature Before powering up the system wait some time so that the electronics can acclimatize and any accumulated condensation is able to evaporate MICROBEAST consists of highly sensitive electrical components with limited capability to operate with excessive vibrations or electrostatic discharges If you f
13. high end tail gyro based on the latest MEMS Technology which gives your helicopter s tail perfect stopping behavior and constant rotation rate during any manoeuvers The MICROBEAST can be used in nearly any size of helicopter using either electric motors or nitro en gines for propulsion It provides flight stability for beginners and maximum agility and precision for intermediate and professional pilots Nevertheless the MICROBEAST is not a flying aid for beginners If you are inexperienced with model helicopters please consult an experienced pilot for help with setup and your first flights The following manual will lead you step by step through the setup procedure from the correct moun ting of the unit up to the first flight Please read the following instruction manual thoroughly You will see that during the development of the MICROBEAST that our focus is to user friendly and soon you will be able to operate the system intuitively The included overview map of the setup menu can be taken out to the flying field as a quick reference to the various menu options Check our website WWW BEASTX COM where we will inform you about the latest updates and down loads Now have fun and a good time using MICROBEAST Sincerely the BEAST X Team M Sete MICROBEAST e Receiver wiring leads 15 cm Instruction manual amp MICROBEAST Gyropads Optional accessories sold separately Et
14. minutes so you have plenty of time to adjust the mechanical setup 47 Now if servos are trimmed Status LED still lights up in one color adjust the linkage rods according to your helicopter manual The swashplate should now be at the midpoint and perpendicular to the main shaft and the rotor blades should have 0 degrees of pitch Always work this out from bottom servos to top blade qrips Also level and phase the swashplate driver in the correct way At 0 degrees of pitch the swash driver arms must be horizontal and the linkage balls of the blade grips have to be perpendicular to the spindle shaft SOM Ao 000000 000000 Fig 26 Push the button to finally save the servo configuration and to proceed to setup menu point 48 Swashplate mixer At setup menu point you can choose the electronic swashplate mixer your helicopter requires or choose mechanical for switching of the electronic swashplate mixer if your helicopter has a mechanical mixer For the electronic mixer the MICROBEAST supports 90 120 and 140 swashplates Besides these choices you can set any swashplate geometry with the PC software and mechanical for switching off the electronic swashplate mixer option Which kind of CCPM your helicopter uses can be read in the manual for your helicopter A if your helicopter requires an electronic swashplate mixer by no means use your transmitter s swashplate mixer function The mixing is all
15. performed trimming by moving the tail stick in any direction Additionally the color of the Status LED gives you an approximate indication of how much you did trim But remember that this function as opposed to the digital trim of the transmitter is not a separate trim function Here you directly adjust the servo centers as well as you would set servo centers in the setup menu point If the new position is saved once then this corresponds well to the new servo center position in the setup menu point 9 A subsequent reset to the previous state is not possible anymore Push the button to save the configuration and to proceed to parameter menu point 9 64 Control behavior At parameter menu point you can choose between different control behaviors for your helicopter This includes the maximum rotation rate of the helicopter as well as how sensitive the MICROBEAST will react to stick inputs for aileron elevator and rudder around the stick centre Factory setting for this option is sport This should be suitable for most pilots If you are a rather inexperienced model pilot it is absolutely suggested to select the option the first flights In this state the rotation rate on cyclic and tail is very much decreased and the stick inputs around center are very gentle Then find your individual preference by increasing the option step by step The choice is done by moving the tail stick in one direction until the LE
16. receiver all channels are transmitted by one single connection line to the MICROBEAST Because of this it is not possible here by inserting the appropriate plugs in the receiver to assign functions to the MICROBEAST Additionaly most singleline transmission protocols are coded This requires further setup steps which are described in chapter 5 Also single line receivers similar to standard receivers with additional single channel connectors servo outputs are available Therefore you only have to treat such receivers as single line receivers in combination with MICROBEAST if you really use this singleline function If you connect such receiver by using the standard 5 plug layout such receiver has to be considered as standard receiver How different types of single line receivers are connected to the MICROBEAST is described in section 4 2 Use as stand alone tail rotor gyro in single line mode is possible under certain circumstances but not intended and therefore is not described further in the following 14 4 1 Connection of a standard receiver 4 1 1 Flybarless usage Fig 4 Tail Gain brown receiver outputs Elevator MICROBEAST Aileron dic S Elevator servo Aileron servo 1 Aileron servo 2 Pitch e Tail servo Now plug the receiver cables for aileron elevator pitch rudder and tail gain between the MICROBEAST and the receiver To find out the channel assignments of your remote control recei
17. the transmitter if it has this feature If in doubt ask the manufacturer of your transmitter Spektrum Satellite Futaba S BUS PPM composite signal transmitter channel assignment throttle CH5 channel2 aileron jelevto e g provided by robbe Futaba SP Series receivers Jeti Satellite receivers Graupner HOTT receivers in SUMO mode Note If you use a standard receiver with standard wiring layout see chapter 4 these tables do not apply Channel assignment is not necessary and not provided for standard receivers since the allocation of functions takes place by appropriate insertion of the cables into the receiver 26 C CI1 aileron aileron pitch pitch channel 2 elevator elevator aileron aileron SR Graupner SUMD BEASTRX Multiplex Graupner SUMD MX 12 transmitter channel assignment elevator rudder tail gyro gain throttle CH5 tail gyro gain When using SRXL the preset channel assignment is based on the receiver s protocol version MICROBEAST will detect automatically which brand of receiver is used and will choose the appropriate channel assignment accordingly XL If you are on receiver menu point Q please wait until the Status LED lights blue If the Status LED stays red it means that there is no valid remote control signal available A channel assignment in this case is impossible If the Status LED doesn t turn blue after a few se
18. the MICROBEAST will initialize During this phase do not move the MICROBEAST unit or the helicopter First the MICROBEAST runs a short LED test and then the firmware version is displayed for 3 seconds After that the running LEDs to show the calibration of the sensors and the LEDs to the initialization of the receiver inputs When the system is ready it does a short move of the swashplate servos and the Status LED turns blue if the tail gyro is in HeadingLock mode or purple in Normal Rate mode For about 10 seconds you can see one of the LEDs light according to the current amount of tail gain The programming of the MICROBEAST works in the following way There are two menu levels From ready mode flight mode you can always get into the one or the other menu level A change between the menu levels is not possible you always have to first get out of the current level to enter in the other menu level Each level includes several setup points The yellow LEDs next to the letters shows at which setup point you are currently Note that the two menu levels have a different number of setup points Toaccess the Setup menu you keep the button pressed several seconds until LED stops flashing and lights up continuously In this menu all the basic settings are made to adjust the MICROBEAST to your helicopter To access the Parameter menu press and hold the button briefly until the LED starts to flash quickly and immediately re
19. the color of Status LED that matches your model You then have four options to set the precompensation off low high or by computer Note The height of the deflection depends on the setting of collective pitch angles in Setup menu Therefore the deflection may vary depending on the direction of pitch Status LED torque precompensation red flashing low normal direction The choice is made by moving the tail stick into one direction until the Status LED lights in the desired color purple The option user defined allows you to define your own setting with the PC software red high normal direction blue flashing low reverse direction blue high reverse direction ot Factory Setting Push the button to save the configuration and to proceed to parameter menu point 71 Cyclic response With point 9 can be set how aggressive the MICROBEAST responds to cyclic control commands roll and pitch This can reduce the usual uniform and linear control feeling of flybarless systems and approach it to the feeling of a flybared helicopter If you want to use this feature start from the slightly increased setting gradually increasing to the desired level until you have found your ideal setting A too high setting will result in uncontrollable inaccurate rotation and deteriorating stopping behavior of each control function How high this feature is adjustable without causing any adverse effects dep
20. D indicates the desired color and state Status LED Control behavior If you are not satisfied with the presets you may adjust the control behavior completely through your remote control do so set the control behavior to transmitter Status LED blue The maximum rotation rate for aileron elevator and rudder can then be adjusted by increasing or decreasing the servo travel for the corresponding function in your transmitter Approx 10096 stick throw servo throw in the transmiter are equivalent to full rotation rate in this mode In this mode there is no expo programmed in the MICROBEAST and you also have to set this in your transmitter 65 When using the predefined control behaviors we do not recommend to additionally adjust con trol curves Expo Dual rates in your transmitter as this will mix indefinable the preset curves of the Microbeast with the curves of the transmitter But if you only make little changes e g slightly increasing the servo throw to increase rotation rate this should be no problem Additionally when using the setting transmitter by increasing the tail stick throw in HeadingLock mode you get to an additional feature where the tail rotation rate is not limited by the gyro anymore With this feature extremely high tail rotation rates are possible The state of the Status LED shows if this high rate mode is reached If the LED starts to flash at full tail stick input you are on the controlled rota
21. ST 572 N l 43 Then adjust the servo limit for the other direction Drive the tail pitch slider by using the tail stick to the other maximum endpoint and then release the tail stick After a short moment the color of the Status LED should start flashing followed by lightning steady purple mix of red and blue indicating that the servo endpoint adjustment is complete Fig 23 nn E MICAODBEAST cC Status LED purple If the Status LED does not light or lights in an unexpected color the servo throw is obviously too small In this case mount the linkage ball of the tail linkage rod further inward on the servo horn This ensures that the tail gyro of the MICROBEAST will perform in the best way and that enough servo resolution is available Push the button to save the configuration and to proceed to setup menu point 9 44 Q Setting the Tail sensor direction Here you have to check if the MICROBEAST s tail gyro does compensate into the right direction At setup point 3 you can find this out very easily The gyro always tries to steer in the opposite direction of the rotation that is applied to the helicopter If you move the helicopter by hand around its vertical axis the gyro must actuate a tail servo movement to compensate this rotation If for example you move the nose of the helicopter to the right the gyro has to steer left the same way as you would steer left with the rudder stick see
22. UP PROCEDURE OVERVIEW CE ES 32 6 1 Setup 8 I I I I I 509898 I I I I I I I I I I I I I I I I I I I 34 6 2 Parameter PR dust cece bead QUEE NEUE UE 34 6 3 Example Selection within the 35 6 4 Switching to the next menu 00I L E I 35 7 SETUP MENU ci qas Fr UE Ron C dbi 36 Mounting orientation of the 37 Swashplate servo 38 8 Tail servo center position pulse 40 Tail servo frequency I C C CICICICICIIICICICICICCICIIIIIIIIIIIICICICICCCC 41 Setting the Tail rotor ccc cece cece 43 Setting the Tail sensor direction sess 45 Adjusting the swashplate servo 47 D Swasliplate TUBE ae a re 49 Setting the swashplate servo directions 50 Teaching the cyclic pitch geometry 51 Adjusting the collective pitch range 53 Adjusting the cyclic swashplate limit csse 54 Setting the swashplate sensor directi
23. a channel is assigned it is no longer available and is ignored by the MICROBEAST for the remaining process Thus after learning of the pitch function menu point 3 you can enable the throttle function remove throttle hold and switch to a linear or V shape curve and teach the throttle channel by re operating the collective stick menu point The pitch channel is now no longer considered as this channel has already been assigned previously 29 If the Status LED stays red it means that there is no valid remote control signal available In this case a channel assignment is impossible If the Status LED doesn t turn blue after a few seconds check if the receiver is properly bound to the transmitter bind already done successfully and that a receiver of the correct type is selected in receiver menu point If a wrong receiver type has been selected switch off the power and re start the receiver type procedure A Fig 13 LED Q flashing Status LED blue 4 Status LED flashing blue Move pitch stick Push button shortly d T Learning of e pitch channel ms gt LED flashing Status LED blue Move aileron stick Push button shortly Learning of Learning of subsequent Aileron channel channels according to table in section 5 2 2 By pressing the button at receiver menu point the menu LED jumps directly to receiver menu point 30 5 3 Programming the Failsafe receiver menu point Q
24. a stick you give a control command to the MICROBEAST unit which then performs the necessary servo movements This command is transmitted by one servo output channel from the receiver Other functions such as throttle curves ESC switches or auxiliary functions can be adjusted as usual 12 3 3 Servo connections and auxiliary channels In slot CH1 is the elevator servo With electronic swashplate mixing the two roll servos have to be con nected to CH2 and CH3 with a mechanical mixed head H1 the roll servo connects to CH2 and pitch servo to CH3 The tail servo is always connected on CH4 Fig 3 ig mechanical mixing electronic mixing 120 140 O OU O Don t plug the servos into the MICROBEAST yet The correct servo type and appropriate driving frequency has not yet been selected in the Setup menu We recommend not installing the servo horns yet as the servos could bind and get damaged on first power up Flight direction When you route the wire leads in your model make sure that there is no tension passed to the MICROBEAST Make sure that the MICROBEAST is able to move freely so no vibrations get passed onto the unit It is not recommended to bundle or tie down the leads close to the MICROBEAST On the other hand the wires must be attached so that they are unable to move the MICROBEAST during the flight In particular do not use any shrink tubing or fabric hose to bundle or encase the wiring in close proximity to the point at
25. and pitch to all maximum end points and watch out if the swashpla te the linkage rods or servos are binding somewhere or even getting not more driven By moving the rudder stick to the left or right you can increase or decrease the aileron and elevator throw limiter Always try to achieve the maximum possible cyclic throw The higher the swashplate deflection is set the greater it will be in flight This will achieve the maximum possible rotation rate of the helicopter without sacrificing the gyro control loop AX Similar to setup point the color of the Status LED indicates whether the adjusted limit allows sufficient cyclic throw In the ideal case the swashplate is limited only to the extent where the Status LED still lights blue In particular for models that are intended to be used in 3D aerobatics 10 to 12 cyclic throw should be possible But even for all the other helicopters it is recommended to adjust as much throw as possible because otherwise the control loop may not work properly Here the color of the Status LED provides a clue If you get only purple or even no light at all it is essential that you change the mechanical setting of your model to increase the available throw If afterwards any modifications are done to one of the other setup menu points which affect servo adjustments setup menu points and the cyclic swashplate adjustment has to be redone Push the button to save the configuration and to pr
26. but not for example in case of signal loss between transmitter and receiver On slot DI2 CH7 CH6 another auxiliary channel is available on the top pin CH6 for example to hook up a governor for nitro engines Please note that this slot is only issuing a control signal and has no power For this reason a servo cannot be plugged here directly The two lower pins DI2 and CH7 are reserved for other applications Never connect a power source on those two pins this could damage the MICROBEAST In the case of an electric model if the ESC has a second BEC output or when using a buffering battery this wire can be connected to the SYS terminal or if possible plugged directly into the receiver On models with a separate power supply this can only be connected to the MICROBEAST on slot SYS Therefore please ensure adequate sizing of the supply lines especially with large models A second power connection can be derived to the receiver or by using a Y cable you can inject a parallel power supply to one of the servo outputs When using very powerful servos you might even consider using a separate voltage regulating unit that the servos can be connected to 18 4 2 2 Spektrum Satellite receiver To connect a Spektrum satellite remote receiver directly to the MICROBEAST a special optional adapter is required This adapter is connected to the DI1 input of the MICROBEAST Please observe correct polarity the orange signal line must be nex
27. conds check if the receiver is properly bound to the transmitter bind already done successfully and that a receiver transmission protocol of the correct type is selected in receiver menu point 6 If a wrong type has been selected switch off the power and restart the receiver type setup procedure To load the selected standard channel assignment see above tables hold the button down for several seconds The menu LED will immediately jump to receiver menu point In addition you can also load the default settings by pushing the button for several seconds in any of the points from 9 to C This will erase all previously made individual channel assignments 27 Release button LED Q lights LED lights Status LED is flashing Status LED blue red blue Hold button along time Loading of standard channel assignment Menu point Menu point Failsafe setting Fig 12 5 2 2 Teaching of customized channel order If you need a customized channel order please first prepare if not already done your transmitter as described in section 3 2 Additionally make sure for example using the servo monitor of your transmitter that each control function of your transmitter activates one and only one channel This can be tricky especially for throttle pitch functions which are usually coupled by a mixer in the transmitter In this case set the throttle channel quiet by using for example the throttle hold switch or
28. copter to one side uw The swashplate has to steer to the opposite direction 57 Setting the pirouette optimization direction When entering setup menu point the swashplate will tilt forwards or backwards depending on your helicopter s setup servos linkages this resulting tilt will correspond into a specific com pass heading Now grab your helicopter at the rotor head and rotate it on the vertical yaw axis by hand The swash plate must continue to maintain the same compass heading see fig 32 on the next page The initial direction forward or backward is irrelevant If the noted swashplate tilt opposes the rotation of the helicopter and rotates against the direction of the model the pirouette optimization should be invert This can be done by moving the tail stick in one direction For confirmation the color of the Status LED on the MICROBEAST will change Status LED Pirouette optimization direction normal Factory Settin reversed y 9 Now the initial setup of the MICROBEAST is finished When you press the button now you will exit the setup menu and the MICROBEAST is ready for operation 58 1 Swashplate points to the left 2 Rotate the helicopter around the vertical axis 3 Swashplate must still point left as before Fig 32 59 8 DIALS AND TAIL GYRO GAIN Status LED Tail gyro mode off blue flashing blue HeadingLock purple Normal Rate mode Menu LEDs The amo
29. d universally and the usual Futaba polarity protection tab is mis sing Plug the other end of the cable into the MICROBEAST input 011 Make sure the polarity is correct the orange signal line must be next to the MICROBEAST top cover Top Fig 9 Power supply CH6 additional channel Pur PPM it E CH5 throttle servo ESC and power supply o Elevator servo f 4 CL 5 2 Aileron servo Aileron pitch servo Tail servo 22 4 2 4 Connection of single line receiver with additional servo connectors e g S Bus SRXL Connect the receiver to the MICROBEAST with one of the supplied regular 3 wire cables Plug the cable into the MICROBEAST input 011 and the other at the receiver s singleline output marked 5 BUS for Futaba B D for Multiplex Graupner HOTT typically uses the highest channel output Please make sure that the connectors are plugged in with the correct polarity On the MICROBEAST the orange signal wire must be close to the top cover Fig 10 CED rm Power supply Futaba S BUS Receiver Additional channel Throttle servo ESC and power supply 5 Elevator servo amp Aileron servo 2 Aileron pitch servo Tailservo This description also applies to other single line receiver with additinal servos connectors e g SRXL receivers like Multiplex BEASTRX or Graupner HOTT We recommend to directly connect speed con
30. defied noma extreme transmitter Swashplate pitching up behavior userdefined verylow lw medum Tail HeadingLock gain userdefied verylow low Stickdeadband _ wserdefned 1 Tal torqueprecompensation RevoMIX userdefined off low nor high nor IV V Gydicresponse userdefined sgh yinceaed increased high Pitchboost userdefined low medum high Factory setttings ADJUSTMENT OPTIONS OVERVIEW Menu LEDs Amount of tail gain C9 0 to 100 only after powering up or when adjusting the gain Button to enter setup menu push down several m seconds until LED 61 is steady on Status LED a to enter Parameters menu push shortly Tail gyro mode until LED is flashing off flashing blue or blue HeadingLock mode x Dial 1 cyclic gain fal 1 clic gain purple Normal Rate mode gt Dial 2 direct cyclic feed forward Dial 3 tail dynamic parameter menu Push button Push button Push button setup menu Hold button a Push button Push button long time shortly shortly receiver menu END of adjustment Hold button Push button pushed shortly powered off and power on while still pus hin g the button when selecting standard at point MY SERVO SETUP red flashing blue flashing user de
31. direction you can delete the adjustment and reset the swashplate back to 0 degrees The direction you choose is not important what is important is that you keep the position steady on 6 when you save and leave this menu step It is not enough to go to 6 and then move back before saving and leaving When reaching 6 degrees the Status LED should light blue This indicates that your helicopter s rotor head geometry is perfect for the use with a flybarless system Otherwise if the Status LED s color is red or purple or even if the Status LED is off this indicates that your helicopter s geometry is not optimal for flybarless usage Correct this by using shorter servo horns shorter linkage balls on the inner swashplatering or longer blade grip link levers A Always set the cyclic pitch to 6 degrees This setup does not affect the maximum rotation rate of the helicopter but is only there to show the MICROBEAST the actual mechanical cyclic geometry A wrong adjustment at this step may be extremely detrimental to the performance of the MICROBEAST The blue color of the Status LED is secondary and just for information Push the button to save the configuration and to proceed to setup menu point Note This menu item will not be left automatically after 4 minutes so you have plenty of time to adjust the mechanical setup 51 1 Orientate the rotor blades parallel to the longitudinal axis of the helicopter Fig 28 Move the aileron s
32. done by the MICROBEAST Deactivate the swashplate mixing in your transmitter or program it to mechanical mixing often called H1 or 1 servo even if your helicopter requires electronic mixing also see section 3 2 The color and state of the Status LED shows the currently selected mixing type Status LED purple red flashing red blue flashing blue aa e pam T c Factory Setting user defined mechanical 120 140 140 1 1 e 9 p Fig 27 Push the button to save the configuration and to proceed to setup menu point 0 49 0 Setting the swashplate servo directions At setup menu point you adjust the correct swashplate servo directions To facilitate this setup you don t need to adjust every servo by its own but just try the 4 possible combinations Move the pitch stick and check if the swashplate moves horizontally up and down The direction itself is not yet important If one or more servos are not running in the right direction just choose another combination by giving a short rudder input Repeat this rudder input until all servos are running in the same direction Servo directions Status LED CH2 CH1 CH3 off normal reverse reverse purple normal normal reverse red normal reverse normal blue normal normal normal Factory Settings Check now if your control directions of aileron elevator and pitch are correct If this is not the case you have to use the servo reverse feature of your
33. ends on many factors such as heli size swashplate servos main rotor blades main rotor speed servo power supply and depending on the particular heli setup The choice is made by moving the tail stick into one direction until the Status LED lights in the desired color The option user defined allows you to define your own setting with the PC software Status LED Cyclic response slightly increased purple red flashing red increased blue very high of Factory Setting blue flashing Push the button to save the configuration and to proceed to parameter menu point 72 Pitch boost Parameter point H allows you to set up the pitch boost function This function causes that the faster you move the pitch stick the more additional collective pitch will be exposed This can be especially useful in 3D aerobatics when very rapid pitch changes are necessary for certain flight maneuvers as hereby dynamically the required control stick deflection will be reduced However the maximum set pitch value Setup menu setting point 3 will not be exceeded A too high setting can cause the rotor blades to stall when giving very fast pitch command Also the collective pitch will feel slow and spongy precisely cause the opposite effect as desired Start from the low setting gradually increasing to the desired level until you have found your ideal setting How high this feature is adjustable without causing any adverse effect
34. enu point you want to skip and just press the button shortly once again The parameter menu has only eight points to after point you exit the parameter menu and the MICROBEAST returns to flight mode AX Never attempt to fly when the MICROBEAST is in one of the menus In this condition the control system and sometimes the stick inputs are deactivated 63 Swashplate cyclic center adjustment The first menu point in the parameters menu gives you the possibility to easily adjust your servo centers on the flying field as for instance your helicopter is wobbling during pirouettes or when it doesn t climb out straight on quick pitch inputs 44 Never use the trim functions of your remote control The MICROBEAST will see trim as a control command and not as servo trim Contrary to centering every single servo in the setup menu point 9 here you are able to directly adjust aileron and elevator without taking care about the single servos However the collective pitch cannot be adjusted here Similar to the digital trim function of most transmitters here at parameter menu point you can adjust the swashplate one click by shortly moving the aileron or elevator stick in the desired direction If you want to trim the swashplate any further repeat tapping the stick several times or simply hold the control stick pushed for a longer time to automatically perform several trim steps During the sub trim procedure you can delete the just
35. fig 24 If this is not the case you have to reverse the sensor direction This happens by moving the tail stick once into any direction For confirmation you will see that the Status LED will change its color Status LED Tail Sensor direction normal reversed Factory Setting 45 Once again repeat the test as described above The MICROBEAST should now correct in the right way correct rotation rotation Fig 24 Push the button to save the configuration and to proceed to setup menu point 9 If using the MICROBEAST as a stand alone tail gyro with the optional patch cable see chapter 3 5 you do not have to do any further adjustments within the setup menu Push the button repeatedly to skip the following setup menu points until no menu LED is on anymore and the system is ready for operation 46 Adjusting the swashplate servo centering When entering setup menu point 9 connect all swashplate servos as described in chapter 3 3 They now will be running to their zero position 1520 us what we call reference position here when the Status LED is off This reference position is only used to mount the servo horns on the servos at their true center positions so that you get roughly equal throws to both direction Mount the servo horns so that they form as much as possible a 90 degrees angle to the linkage rod In the next step you have to adjust electronically every single servo as usually mounting the servo hor
36. fined 65 Hz 165 Hz Tail servo center position pulse length Tail servo frequency Status LE D e red flashing blue flashing 1 user defined 65 Hz 165 Hz Swashplate seno frequency Tail servo center position pulse length Tail servo frequency 84 BE ABSOLUTE STABLE Version 3 0 3 ENG October 2012 1 7 quie
37. firmware version your MICROBEAST is running The MICROBEAST first carries out a brief LED test by lighting up all menu LEDs simultaneously and cycling the Status LED color Then for about 3 seconds the Status LED lights red while the menu LEDs display the first digit of the firmware version and the LEDs the second digit of the firm ware version Only the first digit of the firmware version is of importance Firmware version 3 x x On the first column LEDs and must light corresponding to digit 3 LEDs are irrelevant for the purposes of this instruction manual If only LED Q is lighting or if the display on initialization is not as described but ONLY a running light of all menu LEDs then the MICROBEAST is running an older version In this case we recommend updating to the latest firmware version If you like to continue to use the older firmware version you must also use the appropriate instructions and not this manual You will get more information about the version display in section 11 of this manual 1 INTRODUCTION Dear customer thank you for choosing the MICROBEAST MICROBEAST is an easy to use three axis gyro system which makes it possible to fly R C helicopters without a mechanical flybar This brings a boost in power as well as longer flight times and makes it possible to adapt the agility and flying behavior of your helicopter to your individual preference The MICROBEAST has a built in
38. flight we suggest to start with a gain not higher then or in HeadingLock mode To find the optimal gain we recommend starting with a low gain where the tail will feel very weak and will stop with overshoots Then increase the gain step by step and you will feel the tail having more and more precise stops and hold better and better on jerky pitch inputs If the gain gets too high the stops will bounce back quickly and wagging will appear in fast forward or backward flight Operation without using a sensitivity gain channel is not possible Also note when gain is close to point the tail servo will not perform full servo travel as the gyro is switched off Menu LED 90 XLP Normal Rate Mode m HeadingLock Mode Status LED purple Satus LED blue 0 Tail gyro gain 100 100 62 9 PARAMETER MENU When the MICROBEAST is ready hold down the button until the Menu LED next to point flashes quickly and then release the button This is how to enter the parameter menu To switch to the next parameter menu point just briefly press the button once again After the last menu point pressing the button one time more exits the parameter menu and the MICROBEAST is ready for flight again Status LED will indicate the tail gyro mode and the LEDs are off Single menu points can be skipped without performing any changes Therefore don t move any stick while you are at the m
39. he pirouette optimization setting is wrong During operation a software reset occurred Solutions Reduce the HeadingLock gain in parameters menu point by one step and increase the tail gain at your transmitter Check the linkage and mechanics for absolute free movement without hard points Decrease cyclic gain Dial 1 Use another rotor head dampening that better fits to rotor head speed the higher the head speed the harder the dampening should be Adjust the pirouette optimization in setup point correctly The receiver power supply does not seem to be sufficient The voltage during operation dropped in a critical area or there was a discharge or transfer of high voltage If you need more support you can connect to the forum at WW W BEASTX COM 80 LEGAL TERMS All statements in this document have been checked for accuracy However we cannot guarantee accuracy integrity or actuality Do not hesitate to send us any suggestions for improvement by e mail to info beastx com DISCLAIMER The provided information was proofed for accuracy and integrity However potential mistakes cannot be excluded We are not responsible for any damage which occurs as a result of these contents This product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm COPY RIGHTS The actual contents of this publication are protected by copyright law All r
40. ig 18 you can switch between the two options by moving the rudder stick to one or other direction For checking purposes the Status LED will change color Push the button to save the configuration and to proceed to setup menu point 3 37 Swashplate servo frequency If you are using the MICROBEAST as stand alone tail gyro with the optional patch cable see section 4 1 2 it is not necessary to make any adjustments at this setup menu point Setup menu point 69 is for selecting the servo frequency of your swashplate servos If you do not know what the maximum pulse rate tolerated by your servos is please select not more than 50Hz driving frequency A higher driving frequency can lead to failure of the servos Analog Servos usually tolerate only 50Hz some types up to 65Hz Digital servos allow usually higher fre quencies but this has to be verified in the servo datasheet You may need to check with the manufacturer of the servos On WWW BEASTX COM you can find a list of parameters for the most common servos To optimize the performance of the MICROBEAST the rule is the higher the better Nevertheless if you experience an unusually high power consumption of the receiver power supply or if the servos get hot you should reduce this frequency With high frequencies some servos run in a jerky manner especially the fast ones like coreless or brushless servos This is due to the high update rate that the servo receives This is not
41. ights reserved Any usage of text or illustrations even in excerpts without our permission is illegal and culpable Particularly this applies to the duplication translation or usage in electronic systems The contents of this publication contain registered trademarks brands and common names Although those are not expressly designated as such the safeguarding provisions apply accordingly BEASTX MICROBEAST and are registered trademarks DECLARATION OF CONFORMITY It is hereby confirmed that MICROBEAST is being produced according to EMC Directive 2004 108 EC Emission IEC 55011 class B Immunity IEC 61000 6 1 EAR WEEE REG Nr DE 72549415 1 7 C 3415000 SETUP MENU Menu LED is steady ON ais NT di T AN Status LED purple red flashing blue flashing blue tail stick move to right endpoint and wait left endpoint and wait er re reo collective stick on max and min position and use tail stick to adjust desired pitch move aileron elevator and pitch sticks adjust max limits with tail stick Pirouette optimization direction normal PARAMETER MENU Swashplate cyclic pitch geometry aileron stick adjust 6 cyclic pitch on the roll axis blades aligned with fuselage Menu LED is flashing quickly A ais ues ally T E T E E o s t Status LED off purple red flashing red blue flashing Control behavior wser
42. in increase the value at parameter menu point to compensate for this effect But if the value is too high the helicopter might feel sluggish and lazy Try to find the lowest suitable setting If the helicopter is still pitching up at the highest value try alternatively to increase the swashplate gain Dial 1 and use faster and stronger servos as well as rotor blades as neutral as possible for example blades specifically designed for flybarless helis The currently selected value is indicated by the Status LED color and state Status LED Pitching up behavior blue very high Move the tail stick into one direction until the Status LED lights in the desired color The option user defined allows you to define your own setting with the PC software Push the button to save the configuration and to proceed to parameter menu point 0 67 Tail HeadingLock gain At parameter menu point the HeadingLock gain for the tail can be adjusted The HeadingLock gain determines how constant the tail will maintain the rotation rate predetermined by the stick this includes a rotation rate of height 0 stick center position Start with the HeadingLock gain set to low or very low and find out the highest possible tail gain in your transmitter Then you can start to increase the HeadingLock gain II the HeadingLock gain is too low pirouettes will be inconsistent during fast forward flight or in crosswind conditions 15 the Head
43. ind such disturbances in your model the use of MICROBEAST should be postponed until the problems have been fixed When operating the helicopter with a MICROBEAST ensure there is a sufficiently large and stable receiver power supply Because of the direct coupling of the rotor blades to the servos without the use of a flybar mixer the servos are exposed to increased actuating forces In addition because of the inter mediary electronic gyro system the servos are driven more often than with traditional use These factors can make the power consumption increase a lot compared to a flybar helicopter A Particularly when operating electric helicopters with single line receivers make sure that the elec tric motor cannot start inadvertently during the setup procedure if the ESC is connected directly to the MICROBEAST We recommend disconnecting the electric motor from the ESC during the setup proce dure Prior the first usage please slide the motor pinion away from the main gear then check that the motor does not to start inadvertently when the receiver is switched on GENERAL INFORMATION Please note that these instructions are only valid for the MICROBEAST firmware Version 3 x x The delivered software version is printed on a sticker on the outside of the MICROBEAST packaging You can also read it out on a computer by using the optional USB2SYS Interface and you can directly read on the MICROBEAST unit during the initialization phase what
44. ingLock gain too high it can happen that fast tail direction changes no longer can controlled clean It is also possible that the tail will commute gently while hovering or flying around which also often can be a sign of a stiff tail mechanics and bounce back when stopping the rotation Was the appropriate setting determined it is usually necessary to adjust the tail gyro gain in the transmitter again Move the tail stick into one direction until the Status LED lights in the desired color Status LED Tail HeadingLock gain blue very high 68 If the tail pirouettes and stops unevenly in both directions it is recommended to set the tail gyro to Normal Rate mode in order to test whether the tail will drift in a particular direction during hover If it does adjust the tail link rod length accordingly so that the tail blades have the required compensation pitch Do not forget to redo the tail rotor limits setup menu point If you did choose in the parameter menu the control behavior transmitter please make sure that you are not accidently entering the free spinning range which might be a reason for inconsistent rotation rates See note in parameter menu control behavior The option user defined allows you to define your own setting with the PC software Push the button to save the configuration and to proceed to parameter menu point 3 69 Stick deadband At parameter menu point you can adjust
45. ion protocol is currently selected refer to the table below In order to change the type press and hold the button for about 2 seconds The Status LED will light in the next color and flash eventually Repeat this as many times as required until the Status LED matches your receiver type used transmission protocol Status LED Receiver type Transmission protocol off Standard receiver Fig 4 5 red flashing Futaba S BUS Fig 9 10 button for ida about2seconds red SRXL Fig 9 10 is blue flashing PPM composite signal Fig 9 10 Factory Setting purple Single Spektrum Satellite Fig 7 e Pushandhold 24 convention LED lights LED is flashing ie Then press the button but only briefly to save the setup and switch to receiver menu point If you have already briefly pressed the button by mistake and it did not change the receiver type but switch to menu point B switch off the power and repeat the above procedure Programming example operation with a Futaba S Bus receiver Hold the button down Turn Power supply ON gt Menu Point Release button LED flashing Status LED flashing red Futaba S Bus receiver Keep button pushed along time LED flashing Status LED OFF Standard receiver Release button Release button LED flashing Status LED purple Spektrum receiver Keep button pushed along time MICROBEAST LED Q f
46. is depends primarily on the allocation of control functions in the transmitter If you do not know in which order the channels of your transmitter receiver have to be connected refer to the instructions that came with your transmitter and receiver see the servo monitor of the transmitter if available or contact the manufacturer of your remote control system 16 4 1 2 Usage as stand alone tail gyro The MICROBEAST can also be used as high end stand alone tail gyro This requires the use of a special patch cable which can be purchased separately This ensures that the MICROBEAST is provided with power and that the signals for rudder and tail gain are available from the receiver The signal lead with the orange and yellow wires must be connected to the slot Aux Pit The orange wire must be closest to the topside of the MICROBEAST The power lead must be plugged into the slot ELE DI1 The brown wire negative or ground is on the bottom the red wire positive or power should be in the middle position Connect the tail servo to 1 If using the MICROBEAST as stand alone tail gyro only the menu points O and need be adjusted in setup menu All other menu points can be skipped To avoid damage to the tail servo first setup menu points 8 and 0 which are tail servo pulse and frequency prior to connecting the servo Top Rudder a 5 3 L 3 f Tail gyro gain amp
47. itialization phase A quick LED test turns all menu LEDs on simultaneously and the Status LED cycles through all colors Then for about 3 seconds the Status LED turns red and the first two digits X and Y of the internal firmware version are displayed Then in the remaining time a running light of the LEDs 9 signals that the sensors are being calibrated and the LEDs O do indicate the initialization of the receiver signals During the initialization phase i e when viewing the firmware version or later push briefly the button and you can display the third digit Z of the firmware version while the Status LED flashes purple Press the button briefly again and the color of the Status LED changes to flashing blue while displaying the data version X Y If you press the button third time the Status LED goes off and the hardware version X Y of your MICROBEAST is displayed Press the button once again to leave the version display and proceed with initialization Representation of values The representation of all values using the menu LEDs is in binary A lighting menu LED stands for a 1 an off LED for 0 The least significant bits are and Firmware version The firmware version consists of three values X Y Z which are displayed for X and Y during the ini tialization and for Z if the button is pushed during this initialization X are displayed though menu LEDs Y through and 7 is using all LEDs Data
48. just the mechanical setup Push the button to save the configuration and to proceed to setup menu point 08 42 Setting the Tail rotor endpoint At setup menu point you adjust the best possible servo throw for your tail rotor This best throw is determined by the maximum possible control travel of the tail mechanism or based on the maximum allowed angle of attack of the tail rotor blades that will not lead to an aerodynamic stall of these bla des Such stalls can cause very bad stopping behavior To adjust the limits move the tail stick in one direction until the servo reaches the maximum endpoint without any binding or stall and release the tail stick The further you move the tail stick the quicker the servo will steer into the given direction If you move the servo too far you can steer the stick to the opposite direction and move the pitch slider a short way back Once you adjusted the maximum endpoint don t move the tail stick anymore and wait for the Status LED to flash and then light steady red or blue depending on the adjusted direction Now you have saved the servo limit for one direction Pay attention that the steered direction of your tail stick corresponds to the direction your helicopter should turn If this is not the case use your transmitter s servo reversing function for the tail stick If you re not sure in which direction the helicopter should rotate consult the manual for your helicopter Fig 22 A
49. lashing Status LED blue as soon as signal is valid push button shortly gt Menu Point Fig 11 Note If selected receiver type is Standard the set up is now complete and briefly pushing the button will finish receiver setup all LEDs flashing Channel assignment is not necessary and not provided since the allocation takes place by appropriate insertion of the cables into the standard receiver Switch off power supply and directly proceed with chapter 6 25 5 2 Input channel assignments receiver menu points If nota standard receiver but a single line receiver was selected at menu point it must be established which control function is controlled what channel This is necessary because all the control functions are transmitted via one single line and thus there is no possibility of plugging the cables in each individual channel matching at the receiver 5 2 1 Preset channel assignment When selecting a specific type of single line receiver the appropriate type of receiver channel allocation will be preset in the MICROBEAST Please refer to the tables below and check if your radio transmits the channels in the correct order If this is not the case you have to assign the channel order step by step through the menu points for this see section 5 2 2 To know the channel assignment of your transmitter you can check the user manual of the transmitter or look at the servo monitor of
50. lease the button This menu is used to fine tune the flight characteristics and is mostly needed at the airfield While in one of the menus you normally select the different options by giving an input with the tail stick to the left or right The momentary selected option is indicated by the color of the Status LED Possible colors are off purple flashing red red flashing blue and blue On some of the menus you might have to adjust settings with other stick functions While in one of the menus a short push on the button will switch to the next menu point It is also possible to skip a menu point Therefore do not move any stick while being in the menu point you want to skip and just press the button once again After the last menu point a short press on the button will exit the menu Then the MICROBEAST is ready to fly again If there is no stick or button input for 4 minutes while being in one of the menus the MICROBEAST will exit the menus automatically This is not true in the setup points 9 and to give you enough time to adjust the mechanical setup of your helicopter 32 Never fly while the MICROBEAST is in one of the setup or parameter menu In this condition the gyro control and the stick controls are disabled Operation Mode Menu LEDs Amount of tail gain Q 0 to 100 only after powering up or when adjusting the gain Button to enter setup menu push down several seconds until LED 61 is stead
51. length There is a relationship between the setting of the tail servo center position pulse length and the tail servo frequency menu point 0 If a pulse length is selected that does not allow a certain frequency this fre quency is automatically reduced The center position pulse setting always has priority since a servo can run without problems at a too low frequency but can not be operated with an incorrect center position pulse On WWW BEASTX COM you can find a list of parameters for the most common servos The color of the Status LED Status LED Tail servo center position pulse length shows the currently selected servo center position pulse 1520 us User defined Factory Setting To select the desired servo center position pulse repeatedly move the tail stick in one direction until the Status LED glows in the correct color The option user defined allows you to define your own setting with the PC software Push the button to save the configuration and to proceed to setup menu point 40 Tail servo frequency As with the swashplate servos at setup menu point you can select at setup menu point the frequency for the tail servo If you do not know what the maximum frequency tolerated by your servo is please select not more then 50Hz A higher frequency can lead to failure of the servos Analog Servos usually tolerate only 50Hz Digital servos usually allow higher frequencies but this has to be
52. n Insert a Spektrum Bind Plug in the SYS slot on MICROBEAST In cases where power is supplied exclusively by the SYS Connection to bind a Spektrum satellite re ceiver the power supply must be provided temporarily through any of the servo port CH1 CH5 To select a DSM2 satellite and to enter bind mode simply switch on the power supply now The LED on the receiver and LED on the MICROBEAST will start to flash You can bind the transmitter as usual for more information refer to the instructions of your radio control system To select and bind a DSMX satellite hold down the button on the MICROBEAST while switching on the power supply Now the receiver s LED and LED Q on the MICROBEAST will flash and you can release the button and bind the receiver with your transmitter After successful binding procedure the receiver s LED will stay solid LED respectively flash alternately to all other LEDs Now switch off the power supply and remove the bind plug Now continue with receiver type setup see next chapter Note It makes no difference if you pull off the Bind Plug during the binding process or leave it connected as you would expect from some standard Spektrum receivers Watch out that the motor can not start accidentally when using the BEC of your speed controller to power the unit 20 hold down button release button Bind Plug DSMX satellite selected DSMxX satellite power supply ei
53. n exact 90 degrees will not work out perfectly depending on the servo s gear train and the servo horn although if you were able to mount the servo horn perfectly you have to adjust the trimming If you move the tail stick to a single direction once you can select one servo and change its center position by moving the elevator stick back and forth Every color of the Status LED is corresponding to a specific servo channel that is indicating its selection by a short up and down move Status LED Function If you move the tail stick once again in the same direction as before you can select the next purple swash servo and adjust its center position as mentioned or switch red back to reference position again blue CH 3 roll 2 pitch servo center adjust You can switch back and forth between the servos as often as you need and also switch back to the zero position for reference anytime The already adjusted servo centers will not be lost doing this Note that only the adjusted servo positions are important and get stored those which have been set with the corresponding Status LED colors The Status LED off only serves for reference and to plug the servo horns in the best position for instance if you install new servos or replace the servos in the model This reference position will not be used later onwards Only the servo positions with active trimming are used Note This menu item will not be left automatically after 4
54. oceed to setup menu point 54 I Setting the swashplate sensor directions At setup menu point you check if the sensors for aileron and elevator are working in the correct direction This can be directly verified in this menu point If you roll or tilt the helicopter by hand the swashplate has to steer against this movement Please refer to this on the next pages Fig 30 and 31 When tilting the helicopter forward the swashplate has to move backwards when tilting the heli copter to the back the swashplate has to compensate forward Same thing applies to the roll axis when you roll the helicopter to the left the swashplate has to steer right and vice versa Basically the swashplate has to remain horizontal while banking the helicopter If this is not correct you can reverse the sensor directions by moving the tail stick in one direction For confirmation you will see that the Status LED changes color Repeat this step until both sensors are correcting in the correct direction There are four possible displays for control to choose from one will be correct Sensor direction Status LED Elevator Aileron off reversed reversed purple reversed normal red normal reversed blue normal normal Factory Setting Push the button to save the configuration and to proceed to setup menu point D 55 Tilt the helicopter forwards The swashplate has to move backwards E ELEKI Fig 30 56 Roll the heli
55. of the transmitter First create a new model in your radio s model memory When using the MICROBEAST you have to disable any mixing functions for the swashplate or tail Each function should be assigned to just one receiver channel As you see our requirement for the transmitter is very low you can use nearly any transmitter that provides 5 channels for controling the MICROBEAST plus one channel for the motor Never enable your radio s eCCPM mixing function this will be done by the MICROBEAST Always set your radio s swash mixer to mCCPM mechanical mixing which is often called H1 or 1 servo mixing or disable swash mixing at all Be sure that all trims and sub trims are disabled and that all servo travel are 10096 increasing or decreasing the servo travel stick throw for aileron elevator and rudder can later adjust the maximum control rates see chapter 9 For the moment to setup MICROBEAST let anything stay at default Also do not adjust the pitch curve at the moment For the setup procedures it has to be set as a straight line from 100 to 100 or 0 to 10096 depending on radio brand Again make sure that there are no mixing functions active for example revo mixing Have a look at the radios servo monitor each stick has to control one channel servo output except for thrust stick which typically controls collective pitch and motor Remember when using MICROBEAST you do not directly control the servos of the helicopter By moving
56. ons 55 O Setting the pirouette optimization 58 8 DIALS AND TAIL GYRO GAIN hh hh hn 60 8 1 5washplate cyclic gain Dial T 4a sas eaae 60 8 2 Swashplate direct cyclic feed forward 12 61 lal 3 P PEm 61 8 4 Tail gyro gain adjusted by the transmitter 62 9 PARAMETER MENU PR 63 Swashplate cyclic center 64 suds 65 Swashplate pitching up compensation 67 Tail 28 68 70 Q Tail torque precompensation 71 E A E 72 OQ X gt X X 9 73 10 THE FIRST FLIGHT ossia aka VERREM 74 11 VERSION DISPLAY 76 12 TROUBLE SHOOTING enhn huy 77 Legal terms 81 81
57. provide a flat throttle curve so that the pitch stick actually controls only the channel for the pitch servo but for the later keep the possibility to control also the throttle channel by flipping a switch for example In the following 7 menu points you can assign different functions by simply actuating the appropriate channel function on your transmitter A blue flash of the Status LED indicates that a channel has been detected It does not matter how far or in what direction you move the stick or in what position the stick switch was Note the channel value itself is not important but the change of this value is It is therefore important that only the requested function is activated and not by accident several simultaneously Otherwise the MICROBEAST may not recognize the allocated channel correctly 28 Receiver menu point Function tail gyro gain throttle CH5 auxiliary CH6 If you have moved the wrong stick switch you can reactivate the correct function again The MICROBEAST remembers only the last function that was operated and confirms it with blue flashing of the Status LED Press the button after learning each function to save the assignment and to go to the next function The button remains locked until you operate a new control function You have to assign every function with the exception of the last auxiliary channel CH6 this channel can be skipped by pressing the button without learning the function Once
58. s depends on many factors such as maximum pitch values pitch curve swashplate servos main rotor blades system headspeed Status LED Pitch boost The choice is made by moving the tail stick into one direction until the Status LED lights in the desired color purple The option user defined allows you red to define your own setting with the PC software blue very high Factory Setting By pressing the button you save the setting and exit the parameter menu Now the MICROBEAST is ready for operation again 73 10 THE FIRST FLIGHT Now it s time to fly your helicopter with the MICROBEAST After powering up the receiver wait until the MICROBEAST has initialized completely This is indicated by a short move of the swashplate servos and the Status LED lighting steady blue or purple It is unnecessary to have the helicopter horizontal but important not to move it during the whole initialization In case of wind catching the blades you can even lay it on the side to avoid shaking Like we mentioned in chapter 8 the three dials should be the factory setting centered horizontally when using in small helicopters for safety reason dials 1 and 2 should be set to slightly below the center position The tail gain channel should be set to point or in micro or mini helicopters experience has shown even lower Select the control behavior at parameter menu point to fit your flying style
59. t to the cover The cable for the Spektrum satellite receiver is then plugged into this adapter Top Power supply SPEKTRUM CH6 additional channel Satellite receiver Optional adapter 4 E n 5 throttle servo ESC and power supply Elevator servo amp Aileron servo p dfe gt Aileron pitch servo Tail servo Fig 7 The use of MICROBEAST with a single Spektrum satellite receiver is allowed only on micro or mini helicopters 450 size helicopters because of the limited range due to the lack of antenna diversity 19 Binding procedure In the case of using a Spektrum satellite receiver directly connected to the MICROBEAST it is very important to bind the receiver first before programming the MICROBEAST This step is essential to perform even if the satellite was already in use elsewhere e g in connection with a standard Spektrum receiver and was already bound to the transmitter earlier To bind a satellite receiver it must be connected via the adapter to the MICROBEAST Simultaneously with the binding process the type of satellite receiver has to be set i e whether it is a DSMX or DSM2 satellite The actual selected signal protocol in the transmitter is not relevant It is very important to choose the correct type of satellite receiver here since an improper setting may seem to work but can lead to radio interference or total loss of the link in the subsequent operatio
60. the direct cyclic feed forward will cause more cyclic stick input going directly to aileron and elevator on the swashplate Decreasing the direct stick feed forward will do the opposite If the direct cyclic feed forward is too high it will over control your cyclic input The control loop needs then eventually to steer back Even though you get the impression to have a more direct control unwanted side effects may appear like pitch backs on cyclic stops and imprecise fast forward flight If the direct cyclic feed forward is too low the helicopter will feel softer slower and less direct The optimal point depends of many factors like blades servos head speed size and mass of the helicopter At delivery the dial is in the middle which should be a good starting point for most helicopters AX The direct cyclic feed forward does not affect the maximum rate of rotation If the helicopter turns too slowly you should check the settings of the swashplate limiter in setup menu B change the control behavior the parameter menu at point or increase the servo travels or Dual Rate setup in your remote control 8 3 Tail dynamic Dial 3 Turn dial 3 clockwise to increase the tail dynamic Turning dial 3 counter clockwise will decrease the tail dynamic Factory setting of the dial 3 is horizontal which provides a good setup in most cases You have to make sure the maximum possible tail gyro gain has already been determined see section 8 4
61. the stick dead band for elevator aileron and rudder The deadband is the range around the very center of the stick where the MICROBEAST will not react Unfor tunately some on the market available transmitters have the problem that when the sticks are brought back after an input to the middle position they aren t exactly at the same center position as before This generates a continuous deviation on the corresponding function although the stick seems to be in the middle This deviation is interpreted as a small input by the MICROBEAST which lead to an un wanted rotation on that axis If the stick deadband is set to low it is difficult to find a stick position where no input is sent to the MICROBEAST A too low setting here can lead to a tipping helicopter at take off or a difficult to control helicopter If the stick deadband is set to high you will feel in the middle a large zone where you have no control which makes it difficult to have precise hovering Status LED Stick deadband The choice is made by moving the tail stick into one direction until the Status LED purple lights in the desired color red flashing The option user defined allows you to red define your own setting with the PC soft blue flashing ware Factory Setting Push the button to save the configuration and to proceed to parameter menu point 70 Q Tail torque precompensation RevoMIX The advantage of always knowing the pitch and
62. ther on CH1 CH5 LED flashes switch on power supply Bind Plug DSM satellite selected DSM2 satellite power supply either on CH1 CH5 LED flashes Now start bind procedure on transmitter LED switch off all menu LEDs flash power supply LED Q all menu LEDs flash remove Bind Plug Fig 8 Decisive for the selection alone is which type of satellite receiver is plugged in It is irrelevant which transmission method between the receiver and transmitter is actually used Check carefully what type you use Crucial is the firmware on the satellite not its look An incorrect setting is not obvious but later will lead to malfunction or failure of the connection 21 4 2 3 Connecting single line receivers without additional servo outputs e g PPM composite signal receivers For the connection of PPM composite signal receivers there is usually no special adapter required In most cases e g Futaba receivers of the SP series the receiver can be connected to the MICROBEAST with one of the supplied regular 3 wire cables For some receivers the connecting cable is also already fixed to the receiver e g Jeti satellite receiver If not fixed to the receiver plug the cable into the output of the digital composite signal of your receiver usually labeled with SIG or the like Again pay attention to correct polarity Be careful since the sup plied cable is designed to be use
63. tick until 6 degrees or of cyclic pitch is reached gt Fig 29 52 Adjusting the collective pitch range At setup point you adjust the maximum desired negative and positive collective pitch Move the pitch stick all the way up and stay there Now you can increase or decrease the maximum amount of pitch using the tail stick When you adjusted the desired maximum pitch angle move the pitch stick all the way down and again in crease or decrease the pitch to the minimum desired value using the tail stick Ad At this point verify again that the demanded pitch direction on the transmitter is in the correct direction for the model Otherwise use your transmitter s servo reversing function for the pitch channel to correct this as already described in section 0 Don t use any pitch curves in your transmitter while doing these adjustments Later on for the flights you can adjust your pitch curves as you like and are used to Setup menu point 3 solely serves to teach the MICROBEAST the maximum used pitch range Push the button to save the configuration and to proceed to setup menu point B 53 Adjusting the cyclic swashplate limit At setup menu point B you adjust the maximum possible tilting of the swashplate for aileron and elevator The deflection will be limited in a circular path similar to a cyclic ring function For adjustment proceed in the following way Carefully move the sticks for aileron elevator
64. tion rate limit If you increase the tail stick servo travel further the Status LED will end up turning off when at full stick input From this point on the rotation rate is no longer limited by the maximum gyro sensor capability and you get into a free spinning area that can not be controlled by the gyro anymore By further increasing the stick input dual rates or servo end points the maximum rotation rate will increase even further as far as the mechanics of the helicopter will allow it This feature should only be used briefly for special Show maneuvers for instance by temporarily switching the dual rate to higher stick throw Note there is no tail gyro control in this unregulated range and it is very difficult to properly control the tail in this state Therefore make sure that in normal flight operation the Status LED at full rudder stick does not turn off If it does please reduce the servo throw or dual rate for the tail channel in your remote control The option user defined allows you to define your own setting with the PC software Push the button to save the configuration and to proceed to parameter menu point 66 8 Swashplate pitching up compensation While in fast forward flight apply jerky collective pitch inputs to test this function The helicopter should mainly remain in its horizontal path during climbing and descending If the nose of the helicopter is pitching up and down heavily like a swimming dolph
65. transmitter to reverse the appropriate control function AX Ifthe servos are still not reacting properly to aileron and elevator functions check if the servos and receiver wires are connected as described above in section 3 3 and chapter 4 Also check if the channel assignment within receiver menu has been done correctly section 5 2 if applicable Additionally verify the settings of your transmitter on any remaining mixer functions see section 3 2 Push the button to save the configuration and to proceed to setup menu point Note This menu item will not be left automatically after 4 minutes so you have plenty of time to adjust the mechanical setup 50 Teaching the cyclic pitch geometry At this setup point you have to tell the MICROBEAST the available cyclic pitch range First don t touch any stick on your transmitter when entering setup menu point Orientate one of the rotor blades so that it is parallel to the tail boom Fig 28 Then attach a pitch gauge to this rotor blade The swashplate should be in the neutral position and the blades should have 0 degrees of pitch otherwise repeat the swashplate servo centering at setup menu point 9 Now move the aileron stick until the rotor blade has an exact 6 degrees of cyclic pitch and then release the stick Fig 29 If you moved the swashplate too far you can steer the stick to the opposite direction and reduce the pitch Also by moving the tail stick to one
66. troller and additional functions to the receiver to use the Failsafe Hold functions of the remote control system But you can also use CH5 and CH6 on the MICROBEAST for these functions See chapter 4 2 1 for further information about this topic 23 5 Beside using conventional receivers the MICROBEAST supports the use of different types of single line receivers These are receivers which transmit the control signals only over one single cable wiring If using such a receiver because of the different signal protocols the receiver type must be selected in the receiver menu before the first use and further steps such as allocation of individual channels or failsafe setting are needed You can see from the yellow LED next to the letters at which receiver menu point you are currently in By briefly pressing the button you can go to the next receiver menu point which also saves the current settings see chapter 4 5 1 Receiver type choice receiver menu point If you use a motor controller with BEC disconnect the motor for safety reasons to avoid the possibility of unintentional motor start up To get into the receiver menu press the button on the MICROBEAST and hold it down while you turn on the receiver power supply The yellow menu LED should now be flashing instantly Release the button The color and state of the Status LED gives you information about which type of receiver transmiss
67. u point push down the button for at least 10 seconds until the LEDs and quickly blink one after the other to confirm the reset Please note that any previous configuration is now deleted Do not attempt to fly the helicopter without doing the complete setup procedure again otherwise you will crash your helicopter Please also note that all servo settings are lost therefore you should unplug the servos and remove the servo horns before resetting the MICROBEAST The receiver type settings see chapter 6 are not affected by the reset Conversely if you change any settings in receiver type the setup menu or parameter menu are not affected However you have to redo the receiver specific settings channel assignment and fail safe see sections 5 2 to 5 3 36 Mounting orientation of the MICROBEAST The MICROBEAST unit can be mounted in nearly all possible orientations The only restriction is that the plug connectors have to point in or against flying direction see chapter 3 At setup menu point you have to choose whether the MICROBEAST is mounted horizontally prin ted surface 90 degrees to the main shaft or vertically printed surface in parallel with the main shaft The color of the Status LED shows the currently selected orientation Status LED Mounting orientation vertical on the side Status LED red horizontal flat Factory Setting Status LED blue Fig 20 As already described F
68. unt of tail gain 0 to 100 only after powering up or when adjusting the gain Dial 1 cyclic gain Dial 2 direct cyclic feed forward Dial 3 tail dynamic Fig 33 To adjust the dials please only use the original plastic BEASTX adjustment tool to prevent damage to the dials 8 1 Swashplate cyclic gain Dial 1 Turn dial 1 clockwise to increase the swashplate gain The factory setting for the dial is horizontal which corresponds to 10096 swashplate gain For your first flights we suggest not changing this setting However when using very small helicopters such as 250 or 450 size reduce the swashplate gain slightly In general the higher the gain the harder the helicopter will stop after cyclic moves and the helicopter will feel more stable in the air If the gain is too high the helicopter feels spongy and tends to oscillate especially on the elevator axis If the gain is too low the helicopter does not stop precisely after a cyclic movement and feels unstable in fast forward flight 60 8 2 Swashplate direct cyclic feed forward Dial 2 Turn dial 2 clockwise to increase the swashplate s direct cyclic stick feed forward This is the part of the stick input that is going directly to the servos If correctly adjusted this relieves the control loop which will work more efficiently by only having to make residual corrections Factory setting of the dial is horizontal which provides a good setup in most cases Increasing
69. urns around instantly when doing backwards flying Reason Solutions The MICROEBAST In setup menu point adjust the setup is not done cyclic pitch to exactly 6 degrees the correctly color of the Status LED should be blue otherwise the linkage ratio The helicopter s has to be changed by using longer linkage ratio is not blade grip levers shorter servo suitable for flybarless horns or shorter linkage balls at the usage swashplate The servo blade Check if the swashplate travel for combination is not aileron and elevator is not too much good limited at setup menu point B try to achieve a larger travel by chan Some linkages aren t ging the linkage ratios moving smoothly and freely Use faster and stronger servos and or specific flybarless blades Check the mechanics for any hard points ball linkages blade grips Check if the dampers are greased Check that the thrust bearings in the blade grips are correctly mounted Stalling of tail rotor Reduce the maximum amount of blades available tail pitch throw at setup menu point 79 Description The tail oscillates in horizontal position slowly and irregularly while hovering The tail oscillates in vertical position During slow hovering pirouettes the helicopter is rolling out Status LED flashes in operation mode e g after landing Reason The HeadingLock gain is too high This oscillation is caused by the rotor head T
70. ver please refer to the user manual of your transmitter or contact its manufacturer To connect elevator and aileron use the plain 3 wire cables that transmit the control signal in addition to the power supply from the receiver to the MICROBEAST Pitch red tail orange and gain brown have only one lead for the control signal on the receiver side and are connected to the MICROBEAST on the combined connector Please ensure these plugs are connected correctly to the receiver Although the cable color is different all three wires are signal lines which go to the usual orange yellow or white side and remain open on theses channels Please respect the polarities for the plugs going to the MICROBEAST The orange line on the MICROBEAST must always be on the top and the brown on the bottom Also be sure when inserting the connectors not to accidentally plug them into the space next to the pins or vertically offset by one pin Other wires such as throttle servo ESC or power supplies are connected as usual to the remote control receiver 15 AUX2 AUX1 GEAR JR Spektrum RECEIVER ELEV AILE THRO FUTABA RECEIVER gt f 4 L t 5 Abb 5 The illustrations are only examples Of course MICROBEAST also works with other receivers and remote control systems that supply 5 1 servo output channels Remember that it is not the receiver that is crucial for the channel order but that th
71. verified in the datasheet of the servo You may need to check with the manufacturer of the servos On WWW BEASTX COM you can find a list of parameters for the most common servos To optimize the performance of the MICROBEAST tail gyro the rule is the higher the better A good rudder servo should be capable of running at least 270Hz Please note that depending on the tail servo center position pulse length chosen at setup menu point you may not be able to choose a frequency higher than 333Hz This also applies to the user defined setting which might be limited to 333Hz see also note at setup menu point By moving the tail stick Status LED Tail servo frequency repeatedly in one direction you can choose the desired tail servo putple frequency red flashing blue flashing 333 Hz blue 560 Hz off User defined Factory Setting 41 The option user defined allows you to define your own setting with the PC software Next attach a servo horn to the tail servo in such a way that the tail linkage rod forms a 90 degree angle to the servo horn or as close as possible and then adjust the linkage rod as described in the manual for your helicopter For most helicopters the tail pitch slider should be centred and the tail rotor blades will then have some positive pitch to compensate for the torque of the main rotor Note This menu item will not be left automatically after 4 minutes so you have plenty of time to ad
72. version The data version consists of two values X Y which are displayed at the same time through menu LEDs for X and for Y Hardware version The hardware version consists of two values X Y which are displayed at the same time through menu LEDs O for Xand Q for Y 76 12 TROUBLE SHOOTING Description Reason Solutions The MICROBEAST does The MICROBEAST Helicopter must stand absolutely still not initialize signals a sensor during initialization process failure Strong wind can shake the helicopter and The Status LED is flashing red therefore the sensors Lay it on the side during the initialization Don t initialize on a vibrating support like car hood or trunk with a running motor Turn off the motor Sensors are damaged Return MICROBEAST for repair The Menu LEDs Q to are The MICROBEAST Check the wiring Mainly check receiver running up and down has no valid wires for polarity on both sides and correct MICROBEAST does not signal from the plugging no vertical offset by one pin initialize receiver In case of 2 4GHz check the transmitter receiver binding Check the correct receiver type is set chapter 5 77 Description Selection in the menus with the rudder control stick does not work The sensors do not seem to work correctly The tail servo does not react or reacts very slowly to rotation of the helicopter The same happens to the elevator axis
73. which the cables are plugged into the Microbeast This makes the cable stiff and inflexible and can cause even the slightest vibrations are trans mitted to Microbeast Atthis point we would like to point out that the correct dimensioning of receiver power supply is very important BEC and battery current rating number of supply cables cable diameter cable length For flybarless helicopters the load on the servos and the resulting power consumption is significant ly higher than for helicopters with a flybar Also the servos are constantly in motion when used with an electrical control system 13 4 RECEIVER CONNECTION In relation to the control of MICROBEAST you have the opportunity to use different types of receivers It is distinguished between conventional standard receivers and socalled single line receivers A standard receiver is a receiver that is connected to the MICROBEAST by using any single servo output of the receiver to connect the five control channels between MICROBEAST and receiver The channel which determines the controlled function simply is selected by inserting each plug to the correct output at the receiver In section 4 1 1 it is shown how to exactly connect the receiver to the MICROBEAST when using the MICROBEAST as flybarless system In addition the use of MICROBEAST is possible as a stand alone tail gyro See section 4 1 2 to learn how to connect receiver and MICROBEAST in this case When using a single line
74. y easily be transferred to the MICROBEAST Just before lift off make sure that the swashplate is horizontal and that the tail pitch slider is near center You can shortly switch to Normal Rate mode in this mode the tail servo will always center itself if the tail stick is released Avoid excessive steering during lift off otherwise the helicopter may tip over The best way is to give a fair and direct collective pitch input to lift the helicopter quickly up into the air This demands some re education if you have only flown flybared helicopters before Now at first you should adjust tail and swash gain and try to find the maximum possible amount of gain Then you may optimize the tail gyro by adjusting parameter menu point when using the tail gyro in HeadingLock mode and adjust the response of the tail gyro with dial 3 Additionaly you may need to adjust the swash direct gain and parameter menu point If the helicopter does react very aggressive to stick inputs change the control behavior at parameter menu point Q to a lower adjustment and or reduce stick throws servo throws in the transmitter for the specific functions When the control loop is well adjusted you can additionaly use parameter menu points 9 and Q to fit your flying style and stick feeling You can get further information about the settings mentioned above in chapters 8 and 9 75 11 VERSION DISPLAY After powering up the MICROBEAST it performs a brief in
75. y on to enter Parameters menu push shortly until LED is flashing Status LED Tail gyro mode off flashing blue or blue Dial 1 cyclic gain HeadingLock mode Dial 2 direct cyclic feed forward Dial 3 tail dynamic purple Normal Rate mode 1 1 Menu selection Menu LEDs 29 steady setup menu 0 flashing parameter menu Button Status LED press shortly for next menu point off purple red flashing red blue flashing blue Fig 15 Selection by tail stick input or aileron elevator pitch stick within menus as needed 33 No Menu LED is on Push button for about 3 seconds Menu LED steady on 5V5 5V5 z AUX PIT RUD AUX PIT RUD 012 CH7 CH6 012 CH7 CH6 ELE DI1 ELE DI1 er AIL CHS z AILICH5 VI CHI status CH2 CH2 CH3 CH3 CH4 Operation mode Setup menu menu point no Menu LED is on Press button shortly Menu LED Q is flashing quickly SYS EE RUD Diz ELE DI1 AIL CHS CH1 CH2 CH3 CH4 aTATUS MADE IN GERMANY SYS EE EAE RUD Diz CH6 ELE DI1 AIL CHS CH1 CH2 CH3 CH4 STATUS MADE IN GERMANY Operation mode Parameter menu menu point 34 Status LED off purple flashing red 2 5 IL CHS 3 ILICM5 E L 2 H1 status STATUS H2 H2 H2 By moving the tail stick to the gt B E left or right you can select the

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