FUTABA 8UAFS Instruction Manual Download Page 1

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8UAPS / 8UAFS

Summary of Contents for 8UAFS

Page 2: ...ect to change without notice 1 This product may be used for model airplane or surface use if on the correct frequency The product described in this manual is subject to regulations of the Ministry of...

Page 3: ...n of America s involvement in this program is part of its commitment to protecting our environment and conserving natural resources NOTE Our instruction manuals need to encourage our customers to retu...

Page 4: ...their vicinity If you must fly away from a club field be sure there are no other modelers flying within a two mile range or you may lose control of your aircraft On the flying field Before flying be...

Page 5: ...t over If it is knocked over the throttle stick may be accidentally moved causing the engine to race Before taxiing be sure to extend the transmitter antenna to its full length A collapsed antenna wil...

Page 6: ...3...

Page 7: ...e F3A model 22 23 Pattern Aircraft Trimming Chart 24 25 Aircraft ACRO Sailplane GLID1FLP GLID2FLP Basic Menu Functions 26 40 ATV Adjustable Travel Volume 26 D R Dual Rates 26 EXP Exponential throw 28...

Page 8: ...dder coupling Use a PMIX 43 HELICOPTER SECTION INDEX 64 Helicopter HELISWH1 SWH2 SWH4 SR 3 SN 3 Functions Diagram 65 Helicopter Setup Example 66 Helicopter Trimming Chart 69 Helicopter Basic Functions...

Page 9: ...cally to suit your own preferences For those learning to fly the transmitter has buddy box capability and the training channels can be selected by the instructor The trainer cord is sold separately St...

Page 10: ...3 0 kg cm Operating speed 0 22 sec 60 Size 1 59 x 0 78 x 1 41 40 4 x 19 8 x 36 mm Weight 1 5 oz 42 5 g Servo S3001 Standard ball bearing Control system Pulse width control 1 52 ms neutral Power requir...

Page 11: ...witch Up position ON Hook for optional neckstrap Edit keys Snap roll direction switch Aileron trim lever Elevator trim lever Elevator Aileron stick Switch G Switch H Programmable mixing switch Switch...

Page 12: ...le down Airbrake on ELE FLP on center Idle down PMIX 5 on CH 7 Switch D Aileron Dual Rate Aileron Dual Rate Aileron Dual Rate Switch E Landing Gear GLID1FLP Gear fwd Throttle Hold Switch F Snap Roll T...

Page 13: ...even if the battery is fully charged You can cycle your batteries with a commercial cycling unit or by leaving the system on and exercising the servos by moving the transmitter sticks Cycling should b...

Page 14: ...d with the spring tensions you may close the transmitter Check that the upper printed circuit board is on its locating pins then very carefully reinstall the rear cover being careful thread the RF mod...

Page 15: ...ries indicate that the servo function varies with the selected programming FLPRON mode AI DIF mode Outputs with no mixing functions are shown first The diagram below shows the default connections in t...

Page 16: ...and a rectangular hole slightly larger than the full stroke of the switch Choose a switch location on the opposite side of the fuselage from the engine exhaust pipe and pick a location so that it can...

Page 17: ...mitting channel number at all times To install your indicator peel off the channel number s backing sheet and carefully stick the numbers to both sides of the number holder Now you can snap the number...

Page 18: ...shown Current model memory lower second digit Model 01 shown Elevator trim display Throttle trim display Timer On Off Indicator see P 34 to set timer The timer appears if one of the cursor keys is pre...

Page 19: ...t function Warning sound Beep beep beep beeping does not stop until transmitter is turned off The LOW BATTERY warning is displayed when the transmitter battery voltage drops below 8 5V LAND YOUR MODEL...

Page 20: ...time When the Plus DATA INPUT key is pressed initialization of the module begins after which the memory module can be used Once the module is initialized the display will not appear again Warning sou...

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Page 22: ...xample 22 Pattern Aircraft Trimming Chart 24 ATV Adjustable Travel Volume 26 D R Dual rate 26 EXP Exponential 28 IDL DN Idle down 29 F S Fail safe 29 REVERS Servo reverse 30 PARA Parameters 31 DATARSE...

Page 23: ...Reverse Parameter Submenu Basic Menu initial screen Failsafe settings Idle Down Exponential Dual Rate ATV function Timer Throttle Cut Subtrims Trainer settings To enter the Basic Menu press both BASIC...

Page 24: ...MIX 3 PMIX 2 TH NDL ABRAKE ELE FL V TAIL ELEVON ALVATR SNP TH DLY Aileron Differential Flap Trim Flaperon Programmable Mixer 5 Programmable Mixer 6 Programmable Mixer 7 Programmable Mixer 4 Programmab...

Page 25: ...transmission F is for FM PPM transmission and C is for PCM This should be set to match your receiver If you make a change it won t take effect until you cycle the power off and on again 4 Next turn on...

Page 26: ...r position and verify its operation 9 Snap Roll SNP p 50 Advance Menu Activate the Snap Roll function by pressing the plus key Set the deflection rate for each switch position Be sure that the directi...

Page 27: ...ked turn Method 2 Roll model inverted A1 Nose drops B1 Tail drops A2 Lots of forward stick down elevator required to maintain level flight B2 No forward stick down elevator required to maintain level...

Page 28: ...er do this test in both left right knife edge flight Method 2 Apply rudder in level flight A Model has no tendency to roll B Model rolls in direction of applied rudder C Model rolls in opposite direct...

Page 29: ...ttle Rudder Landing gear Flap CH7 To D R function To TIMER function Left up servo throw Right down servo throw Range 30 140 Initial value 100 The blinking item is what is being set Channel display No...

Page 30: ...STK x menu hold the stick at the position you wish to switch dual rates Next store the position by pressing the and keys simultaneously This will change the stick position blinking numbers Check that...

Page 31: ...es This is best understood by experimenting with a servo Setting Exponential Values Channel display To IDL DN function To D R function Range 100 to 100 Initial value 0 Data input keys These keys are u...

Page 32: ...f about 10 20 is suitable Secure the fuselage and while running the engine set the throttle stick to idle Adjust the idle down rate while flipping the switch ON and OFF The Fail Safe function is used...

Page 33: ...30...

Page 34: ...tion settings are 50 for throttle and 0 for the other channels When you choose the failsafe mode check that your settings are correct by turning off the transmitter power switch and verifying that the...

Page 35: ...again the reset process is begun After a beep beep beep tone is sounded a continuous beeeeep tone indicates that the reset is complete NOTE The existing modulation model type and trim display method...

Page 36: ...s of five swash types HELISWH1 SWH2 SWH4 SR 3 SN 3 Swashplate Type Setting Procedure HELISWH1 Type This type s helicopter has independent aileron and elevator servos linked to the swashplate Most kits...

Page 37: ...ersing function REV as necessary to get the proper aileron elevator and pitch operations SETTING METHOD To TRAINR function To REVERS function Type display ACRO GLID1FLP GLID2FLP HELISWH1 HELISWH2 MODE...

Page 38: ...above you ll need to turn the transmitter power off and on to switch the modulation mode Verify that you changed the modulation mode in the PCM PPM display CAUTION PCM cannot be operated in the PPM mo...

Page 39: ...ntrolled by the student The set channel is controlled according to the contents set at the student s transmitter Examples When the stick channel is set to the FUNC mode helicopter stick operation prac...

Page 40: ...To TRIM function To TRAINR function Confirmation message OK MODEL CHANGE Select the model with the and keys When you have the right number press the and keys simultaneously The confirmation message O...

Page 41: ...a lot less confusing since you can easily tell your model memories apart The name of the model that you assign is displayed at the top left corner of the startup screen The name can be up to six chara...

Page 42: ...and the trim step rate are not reset by this command Resetting trims To SUBTRM function To MODEL function If any trim is not centered the RSET flashes To Reset Trim press the and keys simultaneously...

Page 43: ...m values of as small as possible Otherwise when the subtrims are large values the servo s range of travel is restricted The recommended procedure is as follows zero out both the trims TRIM RSET menu a...

Page 44: ...e Timer Menu controls an electronic clock that may be used to keep track of time remaining in a competition task window flying time on a full tank of fuel amount of time on a battery etc The timer s s...

Page 45: ...to NULL If this is the case be sure to choose the directions you want Switch display SW A H and STK3 Switch direction display NULL UP CNTR DOWN seconds setting If you want motion of the throttle stick...

Page 46: ...lider model modes GLID1FLP GLID2FLP PMIX 1 7 Programmable mixers 1 7 43 FLPRON Flaperon combined flaps ailerons 45 FLAPTRM Flap trim camber adjustment 46 AI DIF Aileron differential 46 ABRAKE Airbrake...

Page 47: ...programmable mixers from the eight switches A H In addition the throttle stick CH3 may be used to urn the programmable mixers ON and OFF t Using the Programmable mixers To PMIX 2 function To TH NDL f...

Page 48: ...from preceding page 7 Offsetting neutral mix point If you want the mix to occur somewhere besides master neutral hold the master channel control in the desired position and store the offset position...

Page 49: ...he Flaperon function Turn the FLPRON function ON by pressing the key ON displayed Turn off INH the function with the key To FLPTRM function To MIX 7 function Amount of aileron travel for left aileron...

Page 50: ...allows you to program the amount of up aileron travel independently from the amount of down travel when you have two servos plugged into the receiver right aileron CH1 AIL and left aileron CH7 NOTE O...

Page 51: ...Range 100 to 100 Initial values AIL FLP 50 Elevator 20 2 Set Aileron travel setting Input the travel you d like with the keys 3 Set Flap travel Input travel with the keys 4 Set Elevator travel Input...

Page 52: ...and rudder functions are combined for the two tail surfaces Both elevator and rudder travel can be adjusted independently on each surface Because they share receiver outputs Elevon and V Tail mixing...

Page 53: ...t ELE2 Adjust ELE2 with the keys 5 CH2 servo elevator rate adjustment ELE1 Adjust ELE1 with the keys Return to the default value by pressing the and keys simultaneously Elevon being adjusted ELE2 or E...

Page 54: ...accidentally activate the snap roll switch You cannot do snaps while using the trainer function SETTING METHOD 2 Aileron travel setting AI To TH DLY function To ALVATR function Direction switch combi...

Page 55: ...le servo connects to receiver CH8 and the CH8 control knob adjusts the high throttle mixture An acceleration function moves the engine mixture control when the throttle is moved This function cannot b...

Page 56: ...rovide snap rolls For an explanation of the other Advance Menu functions available in the GLID menus refer to the aircraft ACRO Advance Menu section p 43 to 51 If you wish to have the three position s...

Page 57: ...im Flaperon Programmable Mixer 5 Programmable Mixer 6 Programmable Mixer 7 Programmable Mixer 3 Programmable Mixer 4 Programmable Mixer 2 Programmable Mixer 1 Speed presets Start launch presets Elevon...

Page 58: ...plane specific mixers are located Press either of the keys to get to the aileron differential AI DIF settings menu Activate this mode by pressing the plus key the symbol will be flashing This makes th...

Page 59: ...Use the flap trim setting to get the desired amount of camber No more that about 1 8 3 mm is all that is needed for most models Note that the motion dictated by the Camber knob CH 6 flap trim knob go...

Page 60: ...he CURSOR key once and input the throw for the flaps Move the throttle stick and be sure the flaps DROP with butterfly If they don t change the sign this again may depend on servo orientation You want...

Page 61: ...nts One of the most critical steps is the center of gravity CG decalage testing Step 3 Decalage is a fancy way of describing the relative positions of the wing and horizontal tail Although the control...

Page 62: ...ottle stick activated B No roll motion C Model rolls to left A Mix in less right more left aileron reflex with throttle motion B No adjustment C Reverse of A 5 Differential Coupl ed Rudder setting Fly...

Page 63: ...some mixers after you perform this operation which applies to all model memories Butterfly mixing programming To ELE FL function GLID1FLP or FLP AI GLID2FLP To AI DIF function Data input keys These ke...

Page 64: ...Turn off INH the function with the key To AI FLP function To BFLY function Flap neutral position Data input keys These keys are used to move through the four submenus in the FLP AI function 2 Aileron...

Page 65: ...with the key To ELE FL function To FLP AI function Flap travel commanded by Right aileron stick Data input keys These keys are used to move through the three submenus in the AIL FL function 2 Flap tra...

Page 66: ...Start Launch presets for your model To SPEED function To ELEVON function GLID1FLP or V TAIL GLID2FLP Channel being offset for START 2 Aileron 1 offset Input the desired Aileron 1 offset with the keys...

Page 67: ...you should purchase the 8UH system Speed presets Inputting the Speed presets for your model To PMIX 1 function To START function Channel being offset for START 2 Aileron 1 offset Input the desired Ail...

Page 68: ...other Basic Menu items are contained in the aircraft ACRO section pages 26 40 The helicopter Advanced Function section begins on page 77 Helicopter Functions Map 65 Helicopter Setup Example 66 Helicop...

Page 69: ...tle Needle Idle up Governor Mixing HOV TH HOV PI GYRO PMIX 1 PMIX 2 DELAY OFSTiv OFST 2 OFST 1 TH HLD TH CRV IDL 1 TH CRV IDL 2 PI CRV NORM PI CRV IDL1 PI CRV IDL2 PI CRV HOLD PI CRV INVR REVOLU NORM...

Page 70: ...a flight use the Throttle Cut function to kill your engine with the trainer switch There is no need to fumble with trim and the idle trim position will never be lost Enter the TH CUT settings in the B...

Page 71: ...hrottle Hold HOLD for autorotation ON at Switch E forward position We recommend that you fly the model and adjust trims and control responses to your liking in hover before setting up another flight c...

Page 72: ...lade pitch 4 4 5 12 19 Rudder Throttle Mix Setting Rudder Throttle mixing is useful for hovering eight nose in circle Top Hat Pirouette and other aerobatics It is normally set up so that rotor speed i...

Page 73: ...calm conditions Repeat tests several times before making adjustments If any changes are made go back over the previous steps and verify or further adjust as necessary To test _ Test Procedure Observat...

Page 74: ...on Curve Name Display NORM Data input keys These keys are used to move through the five submenus in the TH CRV function 1 Turn the TH CRV function ON by pressing the key ON displayed Turn off INH the...

Page 75: ...Display NORM Data input keys These keys are used to move between the five points in the PI CRV function 1 Turn the PI CRV function ON by pressing the key ON displayed Turn off INH the function with th...

Page 76: ...mixing rate is too small Note that the nose direction may not become stable when taking off if the helicopter is not steady before takeoff or if the rotor speed does not rise 2 Throttle high side sett...

Page 77: ...es To INVERT function To PARA function Current function rate Data input keys These keys are used to move through items 1 3 in this menu 1 Aileron adjustment Set the rate with the keys 2 Elevator excep...

Page 78: ...ch angles to allow autorotation Hook up the linkage to the servo Since the normal flight pitch curve uses NORM IDL1 IDL2 and HOLD set up your helicopter for trimmed flight in hover forward flight and...

Page 79: ...set to be just large enough in the direction low throttle to fully close the carburetor If you prefer you may select another switch and ON OFF direction For safety always activate the TH CUT function...

Page 80: ...H CRV Throttle Curve 77 TH HLD Throttle Hold 79 OFST 1 2 Offset 1 2 80 DELAY Delay 80 PMIX 1 2 Programmable Mixing 81 HOV TH Hovering Throttle 83 HOV PI Hovering Pitch 83 GYRO Gyro Mixing 84 GOVrpm Go...

Page 81: ...to produce the basic throttle curve for flight near hover It is used along with the normal pitch curve PI CRV NORM so that the helicopter flies with constant rotor RPM The normal throttle curve funct...

Page 82: ...keys If you re unhappy with what you ve set you may return to the default value by pressing the and keys simultaneously Curve Point Value Range 0 100 Initial curve settings POS1 0 POS2 25 POS3 50 POS...

Page 83: ...ONby pressing the key ON or OFF displayed depending on SW E position The hovering pitch curve function is also activated Turn off INH the function with the key 2 Enter Hold position Adjust the positio...

Page 84: ...1 or TH HLD function Offset amount Range 120 to 120 Initial value 0 Data input keys These keys are used to move through the five submenus in the OFST1 OFST2 functions 2 Aileron offset Input the desir...

Page 85: ...1 2 are set to frequently used mixing combinations as follows PMIX 1 AIL ELE PMIX 2 ELE THR The programming method is given for Mixer 1 the second mixer may be programmed in an identical fashion To P...

Page 86: ...y If you want mixing on at the low throttle side press the key An arrow is displayed above or below the small 3 at the right top corner of the screen to verify proper switching direction When you thin...

Page 87: ...the trim position 0 with the knob and memorize the trim then return the knob to its center position The Hovering Pitch function may be used to trim the rotor pitch near hover without affecting throttl...

Page 88: ...vernor mixing function is used to adjust the GV 1 Governor speed settings rS1 rS2 rS3 from the transmitter Whether speed switching and governor ON OFF are switched using one switch or ON OFF switching...

Page 89: ...speed value with the keys 3 CNTR Enter your desired speed value with the keys 4 DOWN Enter your desired speed value with the keys Switch C UP CNTR DOWN Switch G NORM IDL1 IDL2 Speed setting Range 0 t...

Page 90: ...set with the CURSOR keys the curve point is indicated by the arrow below the numbers 1 5 and the current throttle position is above the numbers Enter the desired curve value with the keys If you re un...

Page 91: ...e reaction generated by changes in the pitch and speed of the main rotor The mixing ratio can be set by a five point curve Three are three kinds of revolution mixing normal NORM idle up 1 IDL1 and idl...

Page 92: ...ve point is indicated by the arrow below the numbers 1 5 and the current throttle position is above the numbers Enter the desired curve value with the keys If you re unhappy with what you ve set you m...

Page 93: ...p The normal NORM pitch curve function produces the basic pitch curve for flight near hover It is set up to provide up and down control at a constant engine speed along with the ormal throttle curve n...

Page 94: ...Value Range 0 100 Initial curve settings POS1 0 POS2 25 POS3 50 POS4 75 POS5 100 The Pitch Curve Normal function is on at startup The blinking item on the setting screen is the current setting item Id...

Page 95: ...o you want to copy using the or key 3 Press the and keys simultaneously two times The data is copied to transmitter side model No 8 However when data saved for mixing type H 2 for helicopters using an...

Page 96: ...92 The abbreviations used with the 8UA are defined below alphabetically Related pages are given in parenthesis following the definition...

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Page 103: ...as possible including Symptoms of the problem any unusual mounting conditions A list of items you are sending and what you want to be repaired Your name address and telephone number When requesting w...

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