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INSTRUCTION MANUAL

1. 3 AXIS MEMS GYRO SYSTEM FOR RC MODEL AIRCRAFT g y 2 Mi EP NE 4 4 p 4 p SER 1 i EM E L 6 4 D ie Vy Sud gd 5 W e BE ABSOLUTE STABLE MIOROBEAS 3 AXIS MEMS ROJSYSTEM FOR RC MODEL AIRCRAFT Version 2 INSTRUCTION MANUAL CONTENTS ke Re avis d aad ag Xa 4 SAFETY 5 44 255555445545554 654 0556 sender dvesadndecsaened 6 GENERAL INFORMATION 8 T INTRODUCTION 22 9 2 RI E SERRA EUR Ee 10 3 MOUNTING AND CONNECTION sse as vouuseehsvravoveskevekeseese 11 3 1 Mounting the MICROBEAST unit avi koi e Er ESTE EREETARPSTRTT S 11 3 2 Servo connections and auxiliary 12 3 3 Connection of standard receiver saa iier deese dds basal RP ERE 14 3 4 Use of single line receivers 15 3 5 Preparing a transmitterforflybarless 19 3 6 Usage as stand alone 9010 2250 20
2. EEEE EPEE nase 46 D Setting the swashplate servo directions 47 Teaching the cyclic pitch xs ecards 48 9 Adjusting the collective pitch range 50 Adjusting the cyclic swashplate 51 Setting the swashplate sensor 5 52 Setting the pirouette optimization 55 7 DIALS AND TAIL GYRO GAIN 57 7 1 Swashplate cyclic gain DIAN 1 usse hrs ER ERERERULPRER CAER EE EGG kd dre dons 57 7 2 Swashplate direct cyclic feed forward Dial 2 58 7 3 laibdytiamic Dial 3 20 0202002 5022300020 00000 PE EEA 58 7 4 Tail gyro gain adjusted by the transmitter 59 8 PARAMETER MENU 545555 ARA TRERSS RR RRERATEETAWEGRRSRR READER ARAM E QUEE TE 60 Swashplate cyclic center 61 Conte De V O iade ues S ep COO 62 Swashplate pitching up 64 D fall Headindbockualh der uT ES PTUS Di X YGu EYES Lew 65 Suck deadbanid ood nds p 67 Tail torq
3. 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 52 Tilt the helicopter forwards The swashplate has to move backwards Fig 28 b 53 54 Roll the helicopter to one side The swashplate has to steer to the opposite direction 1 Setting the pirouette optimization direction When entering setup menu point the swashplate will tilt forwards or backwards depending 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 30 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 optimizatio
4. MY SERVO SETUP Hen 2 purple red flashing red blue flashing blue user defined 50 Hz 65 Hz 120 Hz 165 Hz 200 Hz TTL Dem 88 7 purple red flashing blue flashing blue Tail servo center position pulse length Tail servo frequency Status LED purple red flashing red blue flashing blue user defined 50 Hz 65 Hz 120 Hz 165 Hz 200 Hz off purple red flashing Tail servo center position pulse length Tail servo frequency 78 gt 7 N m BE ABSOLUTE STABLE Version 2 0 0 ENG November 2010
5. 4 RECEIVER TYPE SETUP EAE V 21 4 1 Receiver type choice receiver menu 0 21 4 2 Inputchannel assignments receiver menu points 9 23 4 3 Teaching of customized channel order 25 4 4 Programming the Failsafe receiver menu point 28 5 SETUP PROCEDURE OVERVIEW s vs ks yeskcvssusvewasveavtvensevckerteves 29 SN Set NEN TITIO TT TT 31 5 2 Parameter fellis s335 50 v9 bd ee t md PERLE 31 5 3 Example Selection within the 22 5 4 Switching to the next 32 6 SETUP MENU inde 32249 Ee Lh RESP T REIHE ER TA RR Ee 33 Mounting orientation of the 5 34 Swasliplate servo frequency sss va rau RT YVES CU E 35 Tail servo center position 37 O Tail servo eee Td ef 38 Setting the Tail rotor endpoint usus ne md one ae 40 4 D Setting the Tail sensor direction 5 52 rer ar eal 42 Adjusting the swashplate servo 44
6. 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 2 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 which are tail servo pulse and frequency prior to connecting the servo Top Receiver ouputs e Fig 8 Tail servo SEASTA 0 lt 2 20 4 RECEIVER TYPE SETUP Beside using conventional receivers the MICROBEAST supports the use of different types of single line receivers Cause of the different signal protocols the receiver type must be selected in the receiver menu before the first use and where required further steps such as allocation of individual channels or the failsafe setting are needed You can see from the yellow LED next to the letters 9 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 4 1 Receiver type choice receiver menu point A To get into the receiver men
7. 4 3 Move aileron stick a gt T Learning of Aileron channel By pressing the button at receiver menu point the menu LED jumps directly to receiver menu point amp 27 5 SETUP PROCEDURE OVERVIEW After power on or on exit of the receiver type setup the MICROBEAST will initialize During this phase do not move 4 4 Programming the Failsafe receiver menu point At receiver menu point you have to program the fail safe position for the throttle channel If during ope the MICROBEAST unit or the helicopter First the MICROBEAST runs a short LED test and then the firmware version ration the received signal is interrupted the throttle servo motor controller connected to the output CH5 is displayed for 3 seconds After that the running LEDs to show the calibration of the sensors and the LEDs to is automatically reset to this fail safe position To avoid accidents you should program electric motors to off the initialization of the receiver inputs and reduce throttle on nitro helicopters to idle When the system is ready it does a short move of the swashplate servos and the Status LED turns blue ifthe tail gyro Set the throttle channel on your remote control to the desired position and press the button shortly 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 lt The
8. Status LED purple Standard receiver Spektrum receiver Turn Power Keep button supply ON pushed along time n n we e eq FE ES gt us 4 T Menu Point Release button LED 8 flashing LED 8 flashing Status LED flashing red Status LED blue Futaba S Bus receiver as soon as signal is valid Keep button push button pushed shortly i along time 5 1 Menu Point E Fig 9 22 4 2 Inputchannel assignments receiver menu points 8 9 The MICROBEAST has pre programmed channel assignments that already fit the selected receiver type in menu point Please refer to the tables below and check if your radio transmits the channels the correct order If this is not the case you have to assign the channel order step by step through the re ceiver menu points for this see section 4 3 To know the channel assignment of your transmitter you can check in the user manual of the transmitter or look at the servo monitor of the transmitter if it has this feature If in doubt ask the manufacturer of your transmitter Futaba S BUS memet fen assignment PPM Composite signal a assignment 23 Spektrum assignment Motor CHS Aileron Elevator Rudder gyro gain Channel 6 AUX 1 Pitch Channel 7 AUX2 additional CH6 SRXL ment em assignment If you are receiver menu point please wa
9. Status LED is flashing red therefore the sensors Lay it on the side The swashplate is perfectly MICROBEAST cause high frequent micro vibra during the initialization leveled and no sub trimming is tions present in the radio nor is any don t initialize on a vibrating support like mixing function active balance the tail rotor blades very a car hood or trunk with a running motor accurately Turn off the motor This behavior seems to be influenced by the rotor head check the tension of the tail belt Sensors are damaged speed Return MICROBEAST for repair choose another mounting position for the MICROBEAST try other types of gyro pads The Menu LEDs 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 The sensors do not seem to wrong mounting in setup menu point select the work correctly orientation has been correct mounting orientation selected The tail servo does not react or Adjust the Gain in the transmitter reacts very slowly to rotation of The gain of tail gyro is the helicopter The same too low in the Correct wiring or setup of tail gain happens to the elevator axis transmitter or even not cable channel on the right channel In case of 2 4GHz check the transmitter receiver binding Check the correct re
10. and down move Status LED Function If you move the tail stick once nie off Swashplate servos at reference position again in the same direction as before you can select the next purple CH 1 elevator servo center adjust swash servo and adjust its center position as mentioned red CH 1 roll 1 servo center adjust 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 or replace the servos in the model Note This menu item will not be left automatically after 4 minutes so you have plenty of time to adjust the mechanical setup 44 Adjust now 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 Work this always out from bottom servos to top blade grips Uf ne Fig 23 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 blad
11. as already described in section 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 9 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 D 50 D Adjusting the cyclic swashplate limit At setup menu point D 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 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 stickto 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 parti
12. before re setting the MICROBEAST 7 Y 0 4 n 5 The receiver type settings see Section 4 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 4 2 to 4 4 1 IS Menu point Menu point 32 33 9 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 horizontal flat Status LED red Factory Setting Status LED blue Fig 18 As already described Fig 16 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 8 34 Swashplate servo frequency If you are using the MICROBEAST as stand alone tail gyro with the optiona
13. 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 D change the con trol behavior the parameter menu at point or increase the servo travels or Dual Rate setup in your remote control 7 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 7 4 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 58 7 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 He
14. increase the tail gain at your transmitter check the linkage and mechanics for absolute free movement without hard points adjust the pirouette optimization in setup point 9 correctly If you need more support you can connect to the forum at WWW BEASTX COM 75 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 rights 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 designa ted as such the safeguarding provisions apply accordingly BEAST X and MICROBEAST are registered trademarks DECLARATION OF CONFORMITY It is hereby confirmed that MICROBEAST is being produced acc
15. line receivers Spektrum satellite receiver PPM composite signal receiver e g Futaba SP series or the satellite receiver from Jeti receivers using Futaba S BUS as well as SRXL data compatible receivers the throttle servo motor controller is connected to CH5 on the MICRO BEAST When using a motor controller for electric models with a BEC this slot is also powering the MI CROBEAST the servos and the receiver We recommend if possible 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 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 here this could damage the MICROBEAST In the case of an electric model if the ESC has a second BEC output 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 connectio
16. 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 Menu selection Menu LEDs steady on setup menu N flashing parameter menu Button Status LED AUX PIT RUD press shortly for next menu point 012 CHE off ELE DIT purple RD red flashing red blue flashing blue Selection by tail stick input or aileron elevator pitch stick within menus as needed 30 No Menu LED is on Push button for about 3 seconds Menu LED 9 steady on SYS AUXI PIT RUD 012 CH CH5 ELE DI1 AIL CHS CH1 CH2 CH2 CH3 CH3 CH4 5 5 AUX PIT RUD 012 CHG ELE DI1 MADE IN GERMANY MADE IN GERMANY AIL CH5 STATUS Operation mode Setup menu menu point no Menu LED is on Press button shortly Menu LED is flashing quickly 5 5 AUX PIT RUD CHG ELE DI1 AIL CHS 5 5 AUX PIT RUD Diz CH6 ELE DI1 AIL CHS MADE GERMANY MADE IN GERMANY CH1 CH2 CH3 CH4 CH1 CH2 CH3 ATA TUS STATUS Operation mode Parameter menu menu point 31 5 3 Example Selection within the menus 6 Status LED Before the first flight the MICROBEAST has to be adjusted to your helicopter and the used components flashing red When the MICROBEAST shows that the system is ready press and hold the butt
17. plied cable is designed to be used universally and the usual Futaba polarity protection tab is missing Plug the other end of the cable into the MICROBEAST input DI1 Make sure the polarity is correct the orange signal line must be next to the MICROBEAST top cover Top Fig 6 Power supply CH6 additional channel it E CH5 throttle servo ESC and power supply 7 4 5 Elevator servo Aileron servo Aileron pitch servo Tail servo 17 3 4 3 Connection of other single line receiver with additinal servos connectors Connect the receiver to the MICROBEAST with one of the supplied regular 3 wire cables Plug the cable into the MICROBEAST input DI1 and the other to the receiver to the output S BUS or B D for Multiplex Please make sure that the connectors are plugged in with the correct polarity Be careful since the supplied cable is designed to be used universally and the Futaba polarity protection tab missing On the MICROBEAST the orange signal wire must be close to the top cover This description also applies to other single line receiver with additinal servos connectors QE rm Power supply e g Futaba S BUS Receiver Additional channel Throttle servo ESC and power supply Elevator servo Aileron servo Aileron pitch servo Tailservo Fig 7 18 3 5 Preparing a transmitter for flybarless This step is unnecessary when using the MIC
18. test as described above The MICROBEAST should now correct in the right way correct rotation rotation gt Fig 22 Push the button to save the configuration and to proceed to setup menu point If using the MICROBEAST as a stand alone tail gyro with the optional patch cable see chapter 3 6 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 43 Adjusting the swashplate servo centering When entering setup menu point all swashplate servos are running to their zero position 1520 us what we call reference position here the Status LED is off This reference position is used to mount the servo horns on the servos so that they form as much as possib le a 90 degrees angle to the linkage rod Usually this will not work out perfectly depending on the servo s gear train and the servo horn therefore you can adjust electronically every single servo in the next steps Later you can come back anytime to the reference position when the Status LED is off for checking the mechanical setup 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
19. 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 amp 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 66 Stick deadband At parameter menu point you can adjust 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
20. 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 CHA ig mechanical mixer electronic mixer 120 140 90 CH2 CH3 CH2 CH3 CH2 CH2 CH3 CH1 CH1 CH1 CH1 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 At this point we would like to point out 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 12 3 2 2 Auxiliary channels a Standard receiver When using a standard receiver other wires such as throttle servo ESC or power supplies are connec ted as usual to the remote control receiver b Single line receiver When operating with single
21. very gentle The choice is done by moving the tail stick in one direction until the LED 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 transmitter Status LED blue In this mode there is no expo programmed in the MICROBEAST and you can set this via your transmitter 62 The maximum rotation rate for aileron elevator and rudder can then be adjusted by increasing or de creasing the servo travel for the corresponding function in your transmitter If using the setting transmitter in HeadingLock mode and by increasing the tail stick throw 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 rotation 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 incre asing the stick input dual rates or servo end points the maximum rotation
22. MICROBEAST Sincerely the BEASTX Team ME Sete EE MICROBEAST Receiver wiring leads 15 Instruction manual Gyropads Adjustment tool Optional accessories sold separately USB Interface Receiver wiring leads 8 cm Cable for stand alone tail gyro use Spektrum Adaptor S um 10 3 MOUNTING AND CONNECTION 3 1 Mounting the MICROBEAST unit Attach the MICROBEAST unit by using one of the provided gyropads at a prefe rably low vibrating position on your helicopter such as the gyro platform or recei ver platform You may also need to choose another type of mounting pad depen ding 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 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 Fig 1 is perpendicular to the main shaft Connectors parallel to the longitudinal axis Longitudinal axis a Fig 2 11 3 2 Servo connections and auxiliary channels 3 2 1 Servo connections Connect the three swashplate servos into the MICROBEAST as follows In slot CH1 is the elevator servo With electronic swashplate mixing the
23. ROBEAST with the optional cable for stand alone tail gyro use Please see 3 6 First create 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 chan nel As you see our requirement for the transmitter is very low Be shure that all trims and sub trims are disabled and that all servo travel are 100 increasing or decreasing the servo travel for aileron elevator and rudder can later adjust the maximum control rates see chapter 8 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 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 100 depending on radio brand Again make sure that there are no mixing functions active for example revo mixing Other functions such as throttle curves ESC switches or auxiliary functions can be adjusted as usual 19 3 6 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
24. 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 rot define your own setting with the PC soft blue flashing ware 0 Factory Setting Push the button to save the configuration and to proceed to parameter menu point 67 5 Tail torque precompensation RevoMIX The advantage of always knowing the pitch and 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 The setup of the RevoMIX value is only possible through the PC software and is activated in parameter menu point by choosing user defined The choice is made by moving the tail stick in any direction until the Status LED changes color Status LED RevoMIX user defined Factory Setting 68 9 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
25. adingLock 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 Ad ditionally 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 096 gain indicated by LED In both modes the maximum adjustable tail gain is 100 and will correspond to LED 9 but the actual percentage in the transmitter will depend on its brand and or type For the first 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 A Operation without using a sensitivity gain channel is not possible D REE O o Menu LED gt om 9 6 6 6 9 5 6 0 6 00 l HeadingLock Mode Satus LED blue Normal Rate Mode St
26. 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 shacking Like mentioned in chapter 7 the three dials should be the factory setting centered horizontally The tail gain channel should be set to point Select the control behavior at parameter menu point to fit your flying style AX Before the first take off make a stick direction check and again make sure that the sensors are cor recting 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 ro tational rates like for fly by wire The control of the servo is left to the control loop in the MICROBEAST Thus it is also normal in 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 re ason it is also normal that the rudder servo runs to the endpoints with small stick inputs 69 Just before lift off make sure that the swashplate is horizontal and that the tail pitch slider i
27. ase note that depending on the tail servo center position puls chosen at setup point you may not be able to choose a frequency higher than 333Hz This also applies to the user defined setting which might be limi ted to 333Hz see also page 37 Status LED Tail servo frequency By moving the tail stick 50 Hz repeatedly in one direction you can choose the desired tail servo red flashing 165 Hz red 270 Hz blue flashing 333 Hz blue 560 Hz off User defined Factory Setting 38 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 adjust the mechanical setup Push the button to save the configuration and to proceed to setup menu point 39 E 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 m
28. atus LED purple 0 Tail gyro gain 100 100 59 8 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 press shortly 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 9 are off Single menu points can be skipped without performing any changes Therefore don t move any stick while you are at the menu point you want to skip and just press the button shortly once again The parameter menu has only six points to after point you exit the parameter menu and the MI CROBEAST 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 60 9 Swashplate cyclic center adjustment The first menu point in the parameters menu gives you the possibility to easily adjust your servo cen ters 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 AX Never use the trim functions of your remote control The MICROBEAST will see trim as a control command and not as servo trim C
29. aximum 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 20 40 Then adjust the servo limitfor 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 adjustmen
30. 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 9 Note This menu item will not be left automatically after 4 minutes so you have plenty of time to adjust the mechanical setup 48 1 Orientate the rotor blades parallel to the longitudinal axis of the helicopter Move the aileron stick until 6 degrees or of cyclic pitch is reached Fig 26 9 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
31. ceiver type Chapter 4 72 73 Description The helicopter wobbles on aileron and elevator axis Reducing the swashplate gain does not help to suppress this effect completely 74 Reason the MICROEBAST setup is not done correctly the helicopter s linkage ratio is not suitable for flybarless usage The servo blade combination is not good Some linkages aren t moving smoothly and freely Solution in setup menu point adjust the cyclic pitch to exactly 6 degrees the color of the Status LED should be blue otherwise the linkage ratio has to be changed by using longer blade grip levers shorter servo horns or shorter linkage balls at the swashplate check if the swashplate travel for aileron and elevator is not too much limited at setup menu point D try to achieve a larger travel by changing the linkage ratios 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 Description The tail oscillates slowly and irregularly while hovering During slow hovering pirouettes the helicopter is rolling out Reason The HeadingLock gain is too high The pirouette optimization setting is wrong Solution reduce the HeadingLock gain in parameters menu point one step and
32. copters 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 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 maneuvers 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 friendliness 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 down loads Now have fun and a good time using
33. cular 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 9 the cyclic swashplate adjustment has to be redone Push the button to save the configuration and to proceed to setup menu point 51 Setting the swashplate sensor directions At setup menu point you check if the sensors for aileron and elevator are working in der 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 page Fig 28 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
34. e 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 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 you can enable the throttle function re move 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 al ready been assigned previously 26 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 Fig 11 LED flashing Status LED blue Status LED flashing blue Push button shortly Move pitch stick gt Learning of pitch channel M LED flashing Status LED blue Push button shortly gt Learning of subsequent channels according to table in section
35. e 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 36 Tail servo center position pulse length At setup menu point you can select the tail servo s center position pulse Almost all commercially available servos work with 1520 us But there are a few special tail servos on the market which use different center position pulse There is a relationship between the setting of the tail servo center position pulse and the tail servo fre quency menu point If a tail servo center position pulse is selected that does not allow a certain fre quency this frequency is automatically reduced The center position pulse setting always has priority since a servo can run without problems at a too lo
36. e grips have to be perpendicular to the spindle shaft Fig 24 Push the button to save the configuration and to proceed to setup menu point 45 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 902 120 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 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 electro nic mixing Also see chapter 3 5 The color and state of the Status LED shows the currently selected mixing type Status LED purple red flashing red blue flashing blue Factory Setting user defined mechanical 120 140 140 1 1 556 Push the button to save the configuration and to proceed to setup menu point 46 Setting the swashplate servo directions At setup menu point you ad
37. ettings 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 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 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 the setup points D and to give you enough time to adjust the mechanical setup of your helicopter This completes the basic receiver setup and the MICROBEAST will continue with the usual initialization 28 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 0 to 100 only after powering up or when adjusting the gain Button to enter setup menu push down several seconds until LED is steady on sys 012 to enter Parameters menu push shortly ELE DIT 3 z until LED is flashing Status LED Oo s Tail gyro mode
38. h 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 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 to 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
39. he receiver is switched on GENERAL INFORMATION Please note that these instructions are only valid for the MICROBEAST firmware Version 2 x x During the initialization phase you can read directly on the MICROBEAST what 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 9 display the first digit of the firmware version and the LEDs the se cond digit of the firmware version Only the first digit of the firmware version is of importance Firmware version 2 y z On the first column only the LED B must light corresponding to digit 2 LEDs are indicating the digit Y but are irrelevant for the purposes of this instruction manual If the display on initialization is not as described but only a running light of all menu LEDs 9 then the MICROBEAST is running an older version In this case we recommend updating to the latest firm ware version If you like to continue to use the older firmware version so you must also use the appro priate instructions and not this manual You will get more information about the version display in section 10 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 heli
40. it 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 assignmentm in this case 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 To load the selected standard channel assignment see the Tables section 4 2 hold the button down for several seconds The menu LED will immediately jump to receiver menu point 9 In addition you can also load the default settings by pushing the button for several seconds in any of the points from to This will erase all previously made individual channel assignments Release button LED lights LED 8 lights Status LED is flashing Status LED blue red blue Hold button a long time Loading of standard channel Fig 10 assignment Menu point Menu point Failsafe setting 24 4 3 Teaching of customized channel order If you need a customized channel order please first prepare if not already done your transmitter as descri bed in section 3 5 above Additionally make sure for example using the servo monitor of your transmitter that each control function of your transmitter activates one and only one cha
41. just 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 CH1 CH2 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 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 sections 3 2 to 3 4 If they are connected properly verify the settings of your transmitter on any remaining mixer functions see section 3 5 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 47 Teaching the cyclic pitch geometry At this setup
42. l patch cable see chapter 3 6 it is not necessary to make any adjustments at this setup menu point Setup menu point B is for selecting the servo frequency of your swashplate servos If you do not know what maximum pulse rate tolerated by your servos 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 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 critical and will not impact flight performance Status LED Swashplate servo frequency The color and state of the Status LED shows the Uo currently selected frequency red flashing red 120 Hz blue flashing 165 hz blue 200 Hz Factory Setting off User defined 35 To select the desired servo frequency move the tail stick repeatedly in on
43. n 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 13 3 3 Connection of a standard receiver Top e RE a Rudder orange o Pitch red Fig 4 Tail Gain brown receiver outputs Elevator Aileron gu Elevator servo Aileron servo 1 Aileron servo 2 Pitch e Tail servo BEASTX MICROBEAST 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 receiver 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 additi on 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 MICROBE AST must always be on the top and the brown on the bottom Also be sure when inserting the connec tors to not accidentally
44. n 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 55 1 Swashplate points to the left 2 Rotate the helicopter around the vertical axis 3 Swashplate must still point left as before Fig 30 56 7 DIALS AND TAIL GYRO GAIN Status LED Tail gyro mode Menu LEDs off blue flashing blue HeadingLock n f tail 9 096 to 91009 purple Normal Rate mode The amount o tai gain amp 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 31 To adjust the dials please only use the original plastic BEASTX adjustment tool to prevent damage to the dials 7 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 sto
45. nnel This can be tricky especially for thrott le pitch functions which are usually coupled by a mixer in the transmitter In this case set the throttle chan nel quiet by using for example the throttle hold switch or 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 appropri ate 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 im portant that only the requested function is activated and not by accident several simultaneously Otherwise the MICROBEAST may not recognize the allocated channel correctly Receiver menu point Function Trottle CH5 Auxiliary CH6 25 If you have moved the wrong stick switch you can reactive 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 operat
46. on 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 re lease the button You just entered the setup menu in menu point 2 2 _ To leave the setup menu you have skip through all menu points pressing the button several times 4 die After pushing the button at menu point you will exit the setup menu and the system is ready for operati point P Ww on again None of the LEDs 8 are glowing anymore see chapter 5 The number of possibilities depends oir the memipoint If there is no stick or button input for 4 minutes while being in the setup menu the MICROBEAST will exit the menu automatically This will not happen during setup points and to give you enough time to adjust the mechanical setup of your helicopter Fig 16 5 4 Switching to the next menu point Factory Reset Fig 17 Push button shortly To reset the MICROBEAST to factory settings you can at any setup menu 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 previously configuration is deleted now Do not attempt to fly the helicopter wit hout doing the complete setup procedure again otherwise you will crash your helicopter Please note also that all servo settings are lost therefore you should unplug the servos and remove the servo horns
47. ontrary to centering every single servo in the setup menu point 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 At parameter menu point just move the aileron or elevator stick to the desired direction until the swashplate is adjusted correctly The further you move the stick the faster the servos will move By moving the tail stick to one direction you can delete the recent adjustment and bring the swashplate back to the original position Push the button to save the configuration and to proceed to parameter menu point Once this new position is saved it updates also the servo center points in the setup menu Thus a resetting to the previous position is not possible after having pressed the button 61 Control behavior At parameter menu point B 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
48. ording to EMC Directive 2004 108 EC Emission IEC 55011 class B Immunity IEC 61000 6 1 EAR WEEE REG Nr DE 72549415 76 MICROBEAST OVERVIEW SETUP MENU Menu LED is steady ON T cis S 6 p i 9 p i 7 Status LED off purple red flashing red blue flashing blue E 5 tail stick move to right endpoint and wait left endpoint and wait X J reversed J aileron stick adjust 6 cyclic pitch on the roll axis blades aligned with fuselage L move aileron elevator and pitch sticks adjust max limits with tail stick N PARAMETERMEN Menu LED is blinking quickly collective stick on max and min position and use tail stick to adjust desired pitch s D Drs E 70 e T F 3 Status LED off purple red flashing red blue flashing blue Swashplate cyclic center adjustment aileron and elevator stick reset with tail stick __aileronancelevatorstick resetwithtallstck 0 Control behavior userdefined spon transmitter _Swashplate pitchingup behavior userdefined velo medium al Headinglodkgaim userdefined velo low Stckdeadband userdefined 1 i Factory setttings 77
49. p 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 57 7 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 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
50. plug them into the space next to the pins or vertically offset by one pin 14 3 4 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 Futaba SP Series receiver or the satellite receiver from Jeti receivers with Futaba S BUS as well as receivers with SRXL compatible data output e g SRXL Multi plex 3 4 1 Connection of a Spektrum Satellite receiver To connect a Spektrum satellite receiver on 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 next 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 a I CH5 throttle servo ESC and power supply 0 Elevator servo Aileron servo Aileron pitch servo Tail servo Fig 5 15 Binding of a Spektrum satellite receiver To bind a satellite receiver it must be connected via the adapter to the MICROBEAST Insert a Spektrum Bind plug in the SYS slot and turn on the power The receiver is now flashing LED on the receiver in bind mode and can be bound
51. 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 26 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 Now move the aileron stick until the rotor blade has an exact 6 degrees of cyclic pitch and then release the stick Fig 27 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 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
52. programming of the MICROBEAST works in the following way There are two menu levels From ready mode flight mode you always can only 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 let Set throttle ters shows at which setup point you are currently Note that the two menu levels have a different number of LED S flashing Status LED flashing red blue channel to Push button setup points T failsafe position shortly n gt To access 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 made to adjust the MICROBEAST to your helicopter I To access the Parameter menu press and hold the button briefly until the LED starts to flash quickly and release immediately the button This menu is used to fine tune the flight characteristics and is mostly needed at the airfield Failsafe programming Fig 12 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 s
53. 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 maneuvers for instance by temporarily switching the dual rate to higher stick throw Note there is no real tail control in this unregu lated range Make sure therefore 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 63 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 helicop ter is pitching up and down heavily like a swimming dolphin 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
54. s near cen tered 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 pitch input to lift the helicopter quickly up into the air This de mands some re education if you have only flown flybared helicopters before Now at first you should try to find the maximum possible tail gain and later on do some fine tuning as described in chapters 7 and 8 if necessary 70 10 VERSION DISPLAY After powering up the MICROBEAST it performs a brief initialization 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 8 signals that the sensors are being calibrated and the LEDs 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 Stat
55. 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 64 Tail HeadingLock gain At parameter menu point D the HeadingLock gain for the tail can be adjusted This HeadingLock gain decides how steady the gyro will pirouette or hold Begin with a 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 e If the HeadingLock gain is too low pirouettes will be inconsistent during fast forward flight or in crosswind conditions e If the HeadingLock gain is too high the tail will bounce back slowly after stop maneuvers and feel imprecise during reversals It is also possible that the tail will oscillate gently while hovering or flying around Move the tail stick into one direction until the Status LED lights in the desired color Status LED Tail HeadingLock gain blue very high off 65 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
56. t is complete Fig 21 3T j De T LES LJ omi gt 252 292 Status LED red or blue AX 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 41 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 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 fig 22 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 42 Once again repeat the
57. 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 AX MICROBEAST consists of highly sensitive electrical components with limited capability to operate with excessive vibrations or electrostatic discharges If you find 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 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 interme diary 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 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 start inadvertently when t
58. to the transmitter 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 We recommend combining this operation simultaneously with the setting of the receiver type as described in Section 4 1 Do not forget to remove the Bind plug after the bind operation It makes no difference if you pull off the Bind plug during the binding process or leave it connected The failsafe adjustment is made through a separate receiver menu point and not as for some Spektrum receivers during the binding process The use of a MICROBEAST with a Spektrum satellite receiver is allowed only on micro or mini helicopters because to the limited range due to the lack of antenna diversity 16 3 4 2 Connection of 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
59. u 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 and you can release the button If you use a motor controller with BEC disconnect the motor for security reasons to avoid the possibility of unintentional motor start up At menu point 9 where menu LED is flashing the color and state of the Status LED gives you infor mation about which type of receiver is currently selected refer to the table below In order to change the type of receiver press and hold the button for about 2 seconds The Status LED will light in the next color or eventually flash Repeat this as many times as required until the Status LED match your receiver type Status LED Receiver type ae 19 Push button for 1 x purple Spektrum Satellite MAMMA red flashing Futaba S BUS nis 79 418 red SRXL blue flashing PPM composite signal 21 Xe convention LED lights 56 LED is flashing Then press the button but only shortly to save the setup and switch to receiver menu point B or finish the initialization if a standard receiver was selected If you have already shortly pressed the button by mistake switch the power off and repeat the above procedure Programming example operation with a Futaba S Bus receiver Hold the button down Release button Release button LED 8 flashing LED amp flashing Status LED OFF
60. ue precompensation 68 9 THE FIRST FLIGHT oos sides wyesseuw hk Ex AERA RR n Ex ERR 69 25554 55 555555 2 5 48 548 71 11 TROUBLE SHOOTING 455455449 arua o E RR ERR aT REV 72 LEGAL TERMS isse edo hes dE EA WERE krent d 76 DISCLAIMER ark dredek esr Ak v 76 COPYRIGHTS 2 ATECRERTA DI 76 DECLARATION OF 76 MICROBEAST OVERVIEW 2 11 1 0 1 isisi 77 MY SERVO SETUP isio ak esz sara RA ceara E 78 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 cras
61. us 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 69 Y through and Z is using all LEDs 9 Data version The data version consists of two values X Y which are displayed at the same time through menu LEDs for X and 9 for Y Hardware version The hardware version consists of two values X Y which are displayed at the same time through menu LEDs for X and for Y 71 11 TROUBLE SHOOTING Description Reason Solution Description Reason Solution The MICROBEAST does The MICROBEAST helicopter must stand absolutely still The helicopter slowly drifts This indicates to check the whole helicopter for not initialize signals a sensor during initialization process by itself on aileron elevator vibration problem imbalances failure and or tail which interferes with strong wind can shake the helicopter and the sensors of the in electric helicopters the motor can The
62. w 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 Status LED Tail servo center position pulse length 960 us 760 us The color of the Status LED 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 37 D Tail servo frequency As with the swashplate servos at setup menu point you can select at setup menu point the fre quency for the tail servo If you do not know what maximum frequency is tolerated by your servo 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 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 Ple

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