FUTABA 8J Instruction Manual
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FUTABA 8J Instruction Manual

2.4ghz 8-channel radio control system
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8J-2.4GHz
8-CHANNEL RADIO CONTROL SYSTEM
INSTRUCTION MANUAL
Technical updates and additional programming examples available at: http://www.futaba-rc.com/faq
Entire Contents © 2012
1M23N26602

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Summary of Contents for FUTABA 8J

  • Page 1 8J-2.4GHz 8-CHANNEL RADIO CONTROL SYSTEM INSTRUCTION MANUAL Technical updates and additional programming examples available at: http://www.futaba-rc.com/faq Entire Contents © 2012 1M23N26602...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction.............3 Trim..............45 Service ..............3 Sub Trim ............46 Servo ..............47 Usage Precautions ...........4 &RQWHQWV DQG WHFKQLFDO VSHFL¿FDWLRQV....8 Fail Safe .............48 Transmitter controls ..........10 Flaperon (ACRO Only) ........49 Transmitter batteries ..........12 Flap Trim (ACRO Only)........51 AIL DIFF (ACRO Only) ........52 Switch assignment table ........13 Receiver and servo connections ......14 Elevon (ACRO Only) ........53...

  • Page 3: Introduction

    OUTSIDE NORTH AMERICA (PROGRAMMING AND USER QUESTIONS) Please contact your Futaba importer in your region of the world to assist you with any questions, problems or service needs. Please recognize that all information in this manual, and all support availability, is based upon the systems sold in North America only.
  • Page 4 If you have purchased this product from an exporter outside your country, and not the authorized Futaba distributor in your country, please contact the seller immediately to determine if such export regulations have been met.

  • Page 5: Service

    VRRQ GLH SRWHQWLDOO\ FDXVLQJ ORVV RI FRQWURO DQG D FUDVK :KHQ \RX EHJLQ \RXU À\LQJ VHVVLRQ UHVHW your 8J’s built-in timer, and during the session pay attention to the duration of usage. 6WRS À\LQJ ORQJ EHIRUH \RXU EDWWHULHV EHFRPH ORZ RQ FKDUJH 'R QRW UHO\ RQ \RXU UDGLR¶V ORZ battery warning systems, intended only as a precaution, to tell you when to recharge.
  • Page 6 $OZD\V SD\ SDUWLFXODU DWWHQWLRQ WR WKH À\LQJ ¿HOG¶V UXOHV as well as the presence and location RI VSHFWDWRUV WKH ZLQG GLUHFWLRQ DQG DQ\ REVWDFOHV RQ WKH ¿HOG %H YHU\ FDUHIXO À\LQJ LQ DUHDV QHDU power lines, tall buildings, or communication facilities as there may be radio interference in their vicinity.
  • Page 7 Note that in the text of this manual, beginning at this point, any time we are using a feature’s specialized name or abbreviation as seen on the screen of the 8J, that name, feature, or abbreviation will be exactly as seen on the radio’s screen, including capitalization and shown in a DIFFERENT TYPE STYLE for clarity.
  • Page 8 ‡7KH LQFOXGHG UHFHLYHU LV FRPSDWLEOH ZLWK DOO -SOXJ )XWDED VHUYRV LQFOXGLQJ UHWUDFW ZLQFK DQG GLJLWDO servos. CONTENTS AND TECHNICAL SPECIFICATIONS 6SHFL¿FDWLRQV DQG UDWLQJV DUH VXEMHFW WR FKDQJH ZLWKRXW QRWLFH Your 8J system includes the following components: ‡ T8J Transmitter ‡ R2008SB Receiver Receiver R2008SB ‡...
  • Page 9 ‡ 7UDLQHU FRUG  WKH RSWLRQDO WUDLQHU FRUG PD\ EH XVHG WR KHOS D EHJLQQLQJ SLORW OHDUQ WR À\ HDVLO\ E\ SODFLQJ the instructor on a separate transmitter. Note that the 8J transmitter may be connected to another 8J system, as well as to many other models of Futaba transmitters.

  • Page 10: Transmitter Controls

    TRANSMITTER CONTROLS - AIRPLANE Built-in Antenna Carrying Handle Flap Trim Control Digital Trim 5 This controls CH6, and if flaperon mixing is activated controls the flap. /CH7 Control SW(C) SW(B) Elevator - Flap Mixing or Rudder Dual Rate Switch Airbrake Mixing Switch SW(A) Elevator Dual Rate Switch...
  • Page 11 TRANSMITTER CONTROLS - HELI Built-in Antenna Carrying Handle CH8 Knob Digital Trim 5 SW(C) SW(B) Governor Switch/CH7 Rudder Dual Rate Switch SW(A) Elevator Dual Rate Switch SW(F) SW(D) Aileron Dual Rate Switch Idle-up 3 Switch /Gyro/CH5 SW(H) Trainer Switch SW(E) SW(G) Idle-up 1&2 Throttle - Hold Switch...

  • Page 12: Transmitter Batteries

    * If there is any problem, the message "Backup Error" will be shown the next time when you turn on the power of the transmitter. Do not use the transmitter as it is. Send it to the Futaba Service Center. WARNING Do not connect any other chargers except the special charger to this charging connector.

  • Page 13: Switch Assignment Table

    For consistency, the switch position’s designation remains the same (upper left is F, etc), but the functions are moved to match the switch type. TO TURN ON THE 8J SYSTEM First make sure the throttle stick is in the low throttle position.

  • Page 14: Receiver And Servo Connections

    RECEIVER AND SERVO CONNECTIONS (Wing Type) Receiver ACRO Output and Aircraft ( ACRO ) (FLAPERON) Channel ailerons/aileron-1 FRPELQHG ÀDS DLOHURQ elevator throttle rudder ACRO (FLAP) spare/landing gear/aileron-2 FRPELQHG ÀDS DQG DLOHURQ VSDUH ÀDS V FRPELQHG ÀDS DQG DLOHURQ spare/aileron-2 spare/elevator-2 /mixture control Aileron Differential mode ( AILE-DIFF ).
  • Page 15 CHARGING THE BATTERIES (When the rechargeable battery option is used) Charging Your System’s Batteries 1. Connect the transmitter charging jack and batteries to the transmitter and receiver connectors of the charger. 2. Plug the charger into a wall socket. 3. Check that the charger LED lights. According to the description of the battery to be used and its exclusive charger, please use it after carrying out full charge.

  • Page 16: Adjusting The Length Of The Control Sticks

    ADJUSTING THE IENGTH OF THE CONTROL STICKS <RX PD\ FKDQJH WKH OHQJWK RI WKH FRQWURO VWLFNV WR PDNH \RXU transmitter more comfortable to hold and operate. To lengthen or Stick tip A Locking piece B VKRUWHQ \RXU WUDQVPLWWHU¶V VWLFNV ¿UVW XQORFN WKH VWLFN WLS E\ KROGLQJ locking piece B and turning stick tip A counterclockwise.

  • Page 17: Range Check The Radio

    RANGE CHECK THE RADIO $ UDQJH FKHFN PXVW EH SHUIRUPHG EHIRUH WKH ¿UVW ÀLJKW RI D QHZ PRGHO ,W LV QRW QHFHVVDU\ WR GR D UDQJH FKHFN EHIRUH HYHU\ ÀLJKW EXW LV QRW D EDG LGHD WR SHUIRUP D UDQJH FKHFN EHIRUH WKH ¿UVW ÀLJKW RI HDFK GD\  $ UDQJH FKHFN LV WKH ¿QDO RSSRUWXQLW\ WR UHYHDO DQ\ UDGLR PDOIXQFWLRQV DQG WR EH FHUWDLQ WKH V\VWHP KDV adequate operational range.

  • Page 18: Radio Installation

    ‡ ,I \RXU DLOHURQ VHUYR RU RWKHUV DUH WRR IDU DZD\ WR SOXJ LQWR WKH UHFHLYHU XVH DQ DLOHURQ H[WHQVLRQ FRUG to extend the length of the servo lead. Additional Futaba extension cords of varying lengths are available from your hobby dealer. Always use an extension of the proper length. Avoid plugging multiple extensions together to attain your desired length.
  • Page 19 Futaba's dual antenna diversity then seamlessly selects the best signal reception between these antennas to ensure that there is no loss of signal. ‡ 7R REWDLQ WKH EHVW UHVXOWV RI WKH GLYHUVLW\ IXQFWLRQ SOHDVH UHIHU WR WKH IROORZLQJ LQVWUXFWLRQV 1.
  • Page 20 *The two antennas should be placed at 90 degrees to each other. *The main purpose of the photo demonstrates how the antenna should be placed. ‡ 5HFHLYHU 9LEUDWLRQ DQG :DWHUSURR¿QJ 7KH UHFHLYHU FRQWDLQV SUHFLVLRQ HOHFWURQLF SDUWV %H VXUH WR DYRLG vibration, shock, and temperature extremes.

  • Page 21: Link Procedure

    LINK PROCEDURE (T8J transmitter/R2008SB): Each transmitter has an individually assigned, unique ID code. In order to start operation, the receiver must be linked with the ID code of the transmitter with which it is being paired. Once the link is made, the ID code is stored in the receiver and no further linking is necessary unless the receiver is to be used with another transmitter.

  • Page 22: S.bus Installation

    S.BUS INSTALLATION This set uses the S.BUS system. The wiring is as simplified and clean mounting as possible, even with models that use a large number of servos. In addition, the wings can be quickly installed to the fuselage without any erroneous wiring by the use of only one simple wire, even when there are a large number of servos used.

  • Page 23: Transmitter Displays & Buttons

    TRANSMITTER DISPLAYS & BUTTONS :KHQ \RX ¿UVW WXUQ RQ \RXU WUDQVPLWWHU D FRQ¿UPDWLRQ GRXEOH EHHS VRXQGV DQG WKH VFUHHQ VKRZQ EHORZ DSSHDUV %HIRUH À\LQJ RU HYHQ VWDUWLQJ WKH HQJLQH EH VXUH WKDW WKH PRGHO W\SH DQG QDPH DSSHDULQJ RQ WKH GLVSOD\ PDWFKHV WKH PRGHO WKDW \RX DUH DERXW WR À\ ,I \RX DUH LQ WKH ZURQJ PRGHO PHPRU\ VHUYRV PD\ EH reversed, and travels and trims will be wrong, potentially leading to a crash.

  • Page 24: Warning & Error Displays

    The BACKUP ERROR warning occurs when the transmitter memory is lost for any reason. If this occurs, all of the data will be reset when the power is turned on again. 'R QRW À\ ZKHQ WKLV PHVVDJH LV GLVSOD\HG: all programming has been erased and is not available. Return your transmitter to Futaba for service.
  • Page 25 AIRCRAFT ( ACRO ) MENU FUNCTIONS Model Select .............27 Fail Safe .............48 Model Copy ............27 Flaperon (ACRO Only) ........49 Model Data Reset..........28 Flap Trim (ACRO Only)........51 Model Name ............29 AIL DIFF (ACRO Only) ........52 Parameter ............30 Elevon (ACRO Only) ........53 Model Type ............30 Ailevator (ACRO Only) ........54 RX select (S-FHSS /FHSS) .......31...

  • Page 26: Map Of Acro Functions

    MAP OF ACRO FUNCTIONS ( tart p screen) o ret rn to the tart p screen o enter the en press the nd key. press the key or one second. ( or one second) ( en ( en ( en ress ey to page p and down thro gh the pages o screens...

  • Page 27: (Common Functions) Model Select

    A LOOK AT THE RADIO'S FUNCTIONS STEP BY STEP MODEL SELECT submenu: includes three functions that manage model memory: MODEL SELECT , MODEL COPY and MODEL RESET . Since these functions are all related, and are all basic features used with most models, they are together in the MODEL SELECT submenu.

  • Page 28: Model Copy

    GOAL of EXAMPLE: STEPS: INPUTS: Copy model 3 into model 5. Open the menu, then open MODEL for 1 second. SELECT submenu. if required to MODEL SELECT . N O T E : T h i s i s o n e o f s e v e r a l Confirm you are currently using the If SELECT does not indicate 3 , use MODEL functions for which the radio requires...

  • Page 29: Model Name

    MODEL NAME/USER NAME : MODEL NAME assigns a name to the current model memory. By giving each model a name that is immediately recognizable, \RX FDQ TXLFNO\ VHOHFW WKH FRUUHFW PRGHO DQG PLQLPL]H WKH FKDQFH RI À\LQJ WKH ZURQJ PRGHO PHPRU\ ZKLFK FRXOG OHDG WR a crash.

  • Page 30: Model Type

    PARAMETER submenu: VHWV WKRVH SDUDPHWHUV \RX ZRXOG OLNHO\ VHW RQFH DQG WKHQ QRW GLVWXUE DJDLQ 2QFH \RX KDYH VHOHFWHG WKH FRUUHFW PRGHO \RX ZLVK WR ZRUN ZLWK WKH QH[W VWHS LV VHWWLQJ XS WKH SURSHU SDUDPHWHUV IRU WKLV VSHFL¿F PRGHO ‡...
  • Page 31 Receiver modulation select ( RX ): sets the type of modulation transmitted. The modulation of your receiver will determine whether you utilize S-FHSS or FHSS setting in RX during transmission. 1RWH WKDW \RX KDYH WR WXUQ \RXU WUDQVPLWWHU RII DQG EDFN RQ EHIRUH D PRGXODWLRQ FKDQJH EHFRPHV HIIHFWLYH %H VXUH \RX XQGHUVWDQG DQG VHW WKH )DLO6DIH F/S ) settings as you intended (see p.

  • Page 32: Atl

    Adjustable travel limit ( ATL  PDNHV WKH FKDQQHO  TRIM LEVER (THROTTLE TRIM) effective only at low throttle, disabling the trim at high throttle. This prevents pushrod jamming due to idling trim changes. This function defaults to ON . If you are not using channel 3 for throttle, you may want trim operation the same as on all other channels.
  • Page 33 Home screen display mode selection ( HOME-DSP ): selects the display item in the home screen. USER NAME mode DT5/DT6 mode USER NAME : displays USER NAME in the home screen. (default) The default USER NAME DVVLJQHG E\ WKH IDFWRU\ LV WKH )XWDED ORJR VHH S  DT5/DT6 : displays the current DT5 and DT6 position in the home screen.

  • Page 34: Model Data Transmission

    GOAL of EXAMPLE: STEPS: INPUTS: Change BATT TYPE from 4CELL to 5CELL . Open the menu, then open PARAMETER for 1 second. submenu. to PARAMETER . Go to BATT TYPE and change setting. to BATT TYPE . (Ex: 5CELL ) to 5CELL .

  • Page 35: Reverse

    MDL-TRANS [ T8J of the transmits side ] 1. The data of a model to send is called by MDL-SEL. 2. MODE of MDL-TRANS is set to TRANSFER . 3. Execute . [ T8J of the receives side ] *It receives for 10 seconds. 1.

  • Page 36: End Point

    End Point of servo travel adjustment ( END POINT ): the most flexible version of travel adjustment available. It LQGHSHQGHQWO\ DGMXVWV HDFK HQG RI HDFK LQGLYLGXDO VHUYR¶V WUDYHO UDWKHU WKDQ RQH VHWWLQJ IRU WKH VHUYR WKDW DIIHFWV ERWK directions. Again, for CCPM helicopters, be sure to see SWASH AFR (see p. 75) prior to adjusting end points. Adjustability: ‡...

  • Page 37: Idle Down

    Engine idle management: IDLE-DOWN and THR-CUT  IXQFWLRQV ZKLFK ZRUN ZLWK WKH GLJLWDO THROTTLE TRIM to provide a simple, consistent means of engine operation. No more fussing with getting trim in just the right spot for landings or WDNHRIIV )RU DGGLWLRQDO HQJLQH DGMXVWPHQWV VHH THROTTLE-NEEDLE (p. 62) and THROTTLE DELAY (p. 63). IDLE-DOWN ( ACRO RQO\  ORZHUV WKH HQJLQH LGOH IRU VLWWLQJ RQ WKH UXQZD\ SULRU WR WDNH RII VWDOOV DQG VSLQV DQG ODQGLQJV 7KH QRUPDO LGOH VHWWLQJ LV D OLWWOH KLJKHU IRU HDVLHU VWDUWV DQG VDIH ÀLJKWV ZLWK OHVV ULVN RI GHDG VWLFNV Important note: The IDLE-DOWN function is not normally used when starting the...

  • Page 38: Throttle Cut

    Throttle cut ( THR-CUT ): provides an easy way to stop the engine by flipping a switch (with THROTTLE STICK at LGOH  7KH PRYHPHQW LV ODUJHVW DW LGOH DQG GLVDSSHDUV DW KLJK WKURWWOH WR DYRLG DFFLGHQWDO GHDG VWLFNV ,Q HELI , there is an additional setting, THR-HOLD .
  • Page 39 Dual/triple rates and exponential ( D/R , EXP ): assigns adjusted rates and exponential. Dual/Triple Rates: UHGXFHLQFUHDVH WKH VHUYR WUDYHO E\ ÀLSSLQJ D VZLWFK 'XDO rates affect the control listed, such as aileron, not just a single (ex: channel 1) VHUYR )RU H[DPSOH DGMXVWLQJ DLOHURQ GXDO UDWH ZLOO DIIHFW ERWK DLOHURQ VHUYRV when using FLAPERON or AIL-DIF  DQG ERWK DLOHURQ DQG HOHYDWRU VHUYRV¶...
  • Page 40 GOAL of EXAMPLE: STEPS: INPUTS: Set up dual rates and exponential in a Open D/R , EXP . for 1 second. HELI model. to D/R , EXP . Choose channel. to desired channel. &KRRVH ¿UVW VZLWFK SRVLWLRQ to No . to UP .
  • Page 41 GOAL of EXAMPLE: STEPS: INPUTS: Set up aileron triple rates on SWITCH Open D/R , EXP function. for 1 second. C ZLWK WUDYHO VHWWLQJV RI  QRUPDO  to D/R , EXP . VORZ UROO DQG  H[WUHPH Choose the channel to change to desired channel.

  • Page 42: Timer

    TIMER submenu VWRSZDWFK IXQFWLRQV  FRQWUROV WZR HOHFWURQLF FORFNV )RU H[DPSOH WKHVH FORFNV PD\ EH XVHG WR NHHS WUDFN RI WLPH UHPDLQLQJ LQ D FRPSHWLWLRQ À\LQJ WLPH RQ D WDQN RI IXHO DQGRU DPRXQW RI WLPH RQ D EDWWHU\ HWF TIMER<1> TIMER<2>...

  • Page 43: Trim

    Auxiliary channel function ( AUX-CH  GH¿QHV WKH UHODWLRQVKLS EHWZHHQ WKH WUDQVPLWWHU FRQWUROV DQG WKH UHFHLYHU RXWSXW IRU FKDQQHOV  Adjustability: ‡ &KDQQHOV  PD\ EH DVVLJQHG WR DQ\ SWITCH (A-H), TRIM LEVER (DT5 and DT6), or KNOB [VR]. ‡ 0XOWLSOH FKDQQHOV PD\ EH DVVLJQHG WR WKH VDPH VZLWFK WULP RU NQRE ‡...
  • Page 44 ‡ &RPSDWLELOLW\ 7KH - PD\ EH PDVWHU RU VWXGHQW ZLWK DQ\ )XWDED WUDQVPLWWHU FRPSDWLEOH ZLWK WKH FRUG 6LPSO\ SOXJ the optional trainer cord (for 8J series, sold separately) into the trainer connection on each transmitter, and follow the guidelines below.
  • Page 45 TRIM submenu: resets and adjust effectiveness of digital trims. The 8J has digital trims which are different from conventional mechanical trim sliders. Each TRIM LEVER LV DFWXDOO\ D WZRGLUHFWLRQDO VZLWFK (DFK WLPH WKH TRIM LEVER is pressed, the trim is changed a selected amount. When you hold the TRIM LEVER, the trim speed increases.

  • Page 46: Sub Trim

    SUB-TRIM  PDNHV VPDOO FKDQJHV RU FRUUHFWLRQV WR WKH QHXWUDO SRVLWLRQ RI HDFK VHUYR 5DQJH LV  WR  ZLWK  VHWWLQJ the default being no SUB-TRIM . :H UHFRPPHQG WKDW \RX FHQWHU WKH GLJLWDO WULPV EHIRUH PDNLQJ SUB-TRIM FKDQJHV DQG WKDW \RX WU\ WR NHHS DOO RI WKH SUB-TRIM values as small as possible.

  • Page 47: Servo

    SERVO display and cycle submenu: GLVSOD\V UDGLR V RXWSXW WR FKDQQHOV  The servo submenu includes two features: ‡ Real-time bar-graph display to demonstrate exactly what commands the transmitter is sending to the servos. (This can be particularly handy in setting up models with complicated mixing functions, because the results of each VWLFN OHYHU NQRE VZLWFK LQSXW DQG GHOD\ FLUFXLW PD\ EH LPPHGLDWHO\ VHHQ ‡...
  • Page 48 FailSafe (loss of clean signal and low receiver battery) submenu ( F/S ): sets responses in case of loss of signal or low Rx battery. FailSafe ( F/S ): instructs a 2.4G receiver what to do in the event radio interference is received. Adjustability: ‡...

  • Page 49: Elevon (Acro Only)

    $,53/$1( )81&7,216 Aircraft wing types ( ACRO ): There are 3 basic wing types in aircraft models: ‡ 6LPSOH 0RGHO XVHV RQH DLOHURQ VHUYR RU PXOWLSOH VHUYRV RQ D <KDUQHVV LQWR D VLQJOH UHFHLYHU FKDQQHO DQG KDV D WDLO This is the default setup and requires no specialized wing programming. ‡...
  • Page 50 Using FLAPERON ( ACRO ): The FLAPERON mixing function uses one servo on each of the two ailerons, DQG XVHV WKHP IRU ERWK DLOHURQ DQG ÀDS IXQFWLRQ )RU ÀDS HIIHFW WKH DLOHURQV raise/lower simultaneously. Of course, aileron function (moving in opposite directions) is also performed.
  • Page 51 Using FLAP-TRIM WR DGMXVW ÀDSHURQV ( ACRO ) FLAP-TRIM DVVLJQV WKH SULPDU\ ÀDSHURQ FRQWURO >VR@ WR DOORZ WULPPLQJ LQ ÀLJKW RI WKH ÀDS DFWLRQ RI ÀDSHURQV 1RWH HYHQ LI FLAP-TRIM is made active with AIL- DIFF , it will not have any effect. The ONLY function that allows control of the DLOHURQV DV ÀDSV LQ WKH AIL-DIFF FRQ¿JXUDWLRQ LV AIRBRAKE .) Most modelers use AIRBRAKE  RU SURJUDPPDEOH PL[HV WR PRYH WKH ÀDSV WR D VSHFL¿HG SRVLWLRQ YLD movement of a switch.
  • Page 52 Using Aileron Differential ( AILE-DIFF )( ACRO ): $LOHURQ GLIIHUHQWLDO LV SULPDULO\ XVHG RQ  RU VHUYR ZLQJV ZLWK RQH VHUYR V RSHUDWLQJ LQERDUG IODS V RQ &+ DQG AILE-DIFF controlling proper aileron RSHUDWLRQ RI  DLOHURQ VHUYRV SOXJJHG LQWR &+ DQG &+ 7KH DLOHURQV FDQ QRW EH PRYHG OLNH ÀDSV ZKHQ XVLQJ AILE-DIFF , except if using AIRBRAKE (Note WKDW HYHQ LI \RX PDNH FLAP-TRIM active while using AILE-DIFF , it will not have any effect.
  • Page 53 Aircraft tail types ( ACRO ): There are 4 basic tail types in aircraft models: ‡ 6LPSOH 0RGHO XVHV RQH HOHYDWRU VHUYR DQG RQH UXGGHU VHUYR RU PXOWLSOH VHUYRV RQ D <KDUQHVV  7KLV LV WKH GHIDXOW ‡ 'XDO (OHYDWRU VHUYRV 0RGHO XVHV  HOHYDWRU VHUYRV VHH AILVATOR p. 54. ‡...
  • Page 54 Dual Elevator Servos (with a rudder) ( AILEVATOR ) ( ACRO ): Many models use two elevator servos, plugged in separate UHFHLYHU FKDQQHOV )O\LQJ ZLQJV ZLWKRXW D VHSDUDWH DLOHURQ FRQWURO XVH ELEVON  9VKDSHG WDLO PRGHOV XVH V-TAIL , p. 55.) %HQH¿WV ‡...

  • Page 55: V-Tail (Acro Only)

    Using V-TAIL ( ACRO ): V-TAIL PL[LQJ LV XVHG ZLWK YWDLO DLUFUDIW VR WKDW ERWK HOHYDWRU DQG UXGGHU functions are combined for the two tail surfaces. Both elevator and rudder travel can be adjusted independently on each surface. NOTE: If V-TAIL is active, you cannot activate ELEVON or AILEVATOR functions. If one of these functions is active, an error message will be displayed and you must deactivate the last function prior to activating V-TAIL .
  • Page 56 6QDS 5ROOV DW WKH ÀLFN RI D VZLWFK SNAP-ROLL ) ( ACRO ): 7KLV IXQFWLRQ DOORZV \RX WR H[HFXWH VQDS UROOV E\ ÀLSSLQJ D VZLWFK SURYLGLQJ the same input every time. It also removes the need to change dual rates on the 3 channels prior to performing a snap, as SNAP-ROLL DOZD\V WDNHV WKH VHUYRV WR the same position, regardless of dual rates, inputs held during the snap, etc.
  • Page 57 GOAL of EXAMPLE: STEPS: INPUTS: Activate SNAP-ROLL . Adjust aileron to Open the SNAP-ROLL function. for 1 second. 105% ,elevator travel to 95% , rudder to SNAP-ROLL . travel to 120% in the right/up snap. Activate the function. to MIX . to OFF or ON .
  • Page 58 (VVHQWLDOO\ HYHU\ IHDWXUH LQ WKH UDGLR¶V SURJUDPPLQJ LV UHDOO\ D PL[ ZLWK DOO DVVLJQPHQWVSURJUDPPLQJ VHW XS DQG UHDG\ to use. Additionally, the 8J ACRO SURJUDPV ERWK SURYLGH  OLQHDU DQG  FXUYH IXOO\SURJUDPPDEOH PL[HV HELI provides 4 OLQHDU DQG  FXUYH WKDW DOORZ \RX WR VHW XS VSHFLDO PL[HV WR UHVROYH ÀLJKW GLI¿FXOWLHV DFWLYDWH DGGLWLRQDO IXQFWLRQV HWF /HW¶V ORRN TXLFNO\ DW D IHZ H[DPSOHV WKDW DUH IHDWXUHV ZH¶YH DOUHDG\ FRYHUHG 7KLV PD\ KHOS WR FODULI\ WKH PL[ W\SHV DQG...
  • Page 59 ELEV-FLAP mixing ( ACRO ): ELEV-FLAP PL[LQJ LV WKH ¿UVW SUHSURJUDPPHG PL[ ZH OO FRYHU 7KLV PL[ PDNHV WKH ÀDSV GURS RU ULVH ZKHQHYHU WKH ELEVATOR STICK is moved. It is most FRPPRQO\ XVHG WR PDNH WLJKWHU S\ORQ WXUQV RU VTXDUHU FRUQHUV LQ PDQHXYHUV ,Q PRVW FDVHV WKH ÀDSV GURRS DUH ORZHUHG ZKHQ XS HOHYDWRU LV FRPPDQGHG Adjustability: ‡...

  • Page 60: Airbrake (Acro Only)

    AIRBRAKE mixing ( ACRO ): AIL1 AIL2 /LNH FLAPERON and AILEVATOR , AIRBRAKE LV RQH IXQFWLRQ WKDW LV UHDOO\ PDGH XS RI D VHULHV RI SUHSURJUDPPHG PL[HV DOO done for you within the radio. AIRBRAKE VLPXOWDQHRXVO\ PRYHV WKH ÀDS V LI LQVWDOOHG  WZLQ DLOHURQV LI LQVWDOOHG DQG HOHYDWRU V  DQG LV XVXDOO\ XVHG WR PDNH VWHHS GHVFHQWV RU WR OLPLW LQFUHDVHV LQ DLUVSHHG LQ GLYHV 7KLV IXQFWLRQ LV RIWHQ XVHG HYHQ RQ PRGHOV ZLWKRXW ÀDSV DV DQ HDV\ ZD\ WR XVH WKH ÀDSHURQV DQG FLAP-ELEVATOR mixing together.
  • Page 61 GOAL of EXAMPLE: STEPS: INPUTS: &RQ¿UP FLAPERON is active. Activate AIRBRAKE on a FLAPERON . see FLAPERON instructions. model. Adjust the flaperon travel to Open the AIRBRAKE function. for 1 second. 75% ,with negative elevator (push) of to AIRBRAKE . 25% .
  • Page 62 THROTTLE-NEEDLE mixing ( ACRO / HELI ): ( ACRO ) ( HELI ) THROTTLE-NEEDLE LV D SUHSURJUDPPHG PL[ WKDW DXWRPDWLFDOO\ PRYHV DQ LQÀLJKW PL[WXUH VHUYR &+ LQ UHVSRQVH WR WKH THROTTLE STICK inputs for perfect engine tuning at all throttle settings. This function is particularly popular with FRQWHVW SLORWV ZKR À\ LQ D ODUJH YDULHW\ RI ORFDWLRQV QHHGLQJ UHJXODU HQJLQH WXQLQJ DGMXVWPHQWV DQG UHTXLULQJ SHUIHFW HQJLQH UHVSRQVH DW DOO WLPHV DQG LQ DOO PDQHXYHUV $OVR SRSXODU WR PLQLPL]H ÀRRGLQJ DW LGOH RI LQYHUWHG HQJLQH LQVWDOODWLRQV RU LQVWDOODWLRQV ZLWK D KLJK WDQN SRVLWLRQ 1RW QHHGHG IRU IXHO LQMHFWLRQ HQJLQHV ZKLFK GR WKLV DXWRPDWLFDOO\...
  • Page 63 Set up THROTTLE DELAY WR LPLWDWH D MHW HQJLQH¶V ODJ VHH S  Where next? Adjust throttle and Ch8 END POINTs : see p. 36. Set up programmable mixes, for example, AILERON-to-RUDDER : see p. 65. 9LHZ DGGLWLRQDO PRGHO VHWXSV RQ WKH ZZZIXWDEDUFFRP?IDT? Throttle delay function THR-DELAY ( ACRO ): The THR-DELAY function is used to slow the response of the throttle servo to simulate the slow response of a turbine engine.

  • Page 64: Thr-Curve (Acro Only)

    Throttle curve ( THR-CURVE )( ACRO ): This function adjusts the throttle operation curve for optimum engine response WR WKURWWOH VWLFN PRYHPHQW NOTE: If the throttle EXP function is activated, you cannot use THR-CURVE function simultaneously. Adjustability: ‡ 6HSDUDWH FXUYHV IRU HDFK SRVLWLRQ DUH DYDLODEOH GOAL of EXAMPLE: STEPS: INPUTS:...
  • Page 65 LINEAR PROGRAMMABLE MIXES ( PROG.MIX1-4 ): Your 8J contains four separate linear programmable mixes. (Note that P.Mixing  PL[LQJ UDWHV DUH VHW ZLWK D SRLQW FXUYH 6HH &859( 0,;(6 There are a variety of reasons you might want to use these mixes. A few are OLVWHG KHUH $OO RI WKH DGMXVWDEOH SDUDPHWHUV DUH OLVWHG EHORZ EXW GRQ¶W OHW WKHP...
  • Page 66 ‡ On/off choices: ‡ SWITCH: Any of the positions of any of the 8 switches may be used to activate a mix. UP&CT , CT&DN options allow the mix to be ON LQ  RI WKH  SRVLWLRQV RI D SRVLWLRQ SWITCH. ‡...
  • Page 67 GOAL of EXAMPLE: STEPS: INPUTS: Set up a FLAP-ELEV mix: Open an unused programmable mix. for 1 second. (Ex: use P.MIX3 VLQFH LW LV DOUHDG\ VHWXS to P.MIX1-6 . ON when SWITCH C is in the down for FLAP-ELEVATOR .) to 3 position.
  • Page 68 CURVE PROGRAMMABLE MIXES ( PROG.MIX5-6 ): <RXU -¶V ACRO / HELI programs contain two separate curve programmable mixes. There are a variety of reasons you might ZDQW FXUYH PL[HV IRU H[DPSOH ZKHQ D OLQHDU PL[ GRHVQ¶W ¿W \RXU QHHGV DORQJ WKH ZKROH UDQJH 2QH SUHSURJUDPPHG curve mix is the THROTTLE-NEEDLE IXQFWLRQ 7KLV FXUYH LV DGMXVWDEOH DW  SRLQWV DOORZLQJ \RX WR DGMXVW WKH PRWRU¶V WXQLQJ at 5 points along its RPM range.

  • Page 69: Programmable Mix

    GOAL of EXAMPLE: STEPS: INPUTS: Set up a RUDD-ELEV curve mix on a Open an unused curve programmable for 1 second. model that pitches down severely at mix. (Ex: use PROG.MIX6 since it is to P.MIX1-6 . full rudder and not at all with minimal DOUHDG\ VHWXS IRU RUDDER-ELEV .) to 6 .
  • Page 70 GYA gyro mixing *<$ VHULHV J\URV *<$ VHULHV J\URV DUH D KLJK SHUIRUPDQFH FRPSDFW DQG OLJKW ZHLJKW $9&6 J\URV GHYHORSHG IRU PRGHO DLUSODQHV $Q LQWHJUDWHG VHQVRU DQG FRQWURO FLUFXLW PDNH WKHP HDV\ WR PRXQW ‡ *<$ IRU DLUSODQH DLOHURQ HOHYDWRU RU UXGGHU ‡...
  • Page 71 6SHFLDO $GGLWLRQV )XQFWLRQV $QG $GGHG (TXLSPHQW &RPPRQO\ 8VHG 2Q 3RZHUHG $LUFUDIW Gyros: -XVW DV WRUTXH URWDWHV DQ DLUFUDIW RQ WKH UXQZD\ GXULQJ WDNHRII KHOLFRSWHUV VWUXJJOH ZLWK WRUTXH WZLVWLQJ WKH PRGHO HYHU\ WLPH WKURWWOH LV DSSOLHG )RU PDQ\ \HDUV J\URVFRSHV KDYH EHHQ XVHG RQ PRGHO KHOLFRSWHUV WR FRQWURO WKLV ,Q FRPSHWLWLRQ DHUREDWLFV DQG VFDOH DLUFUDIW FRPSHWLWLRQ DOLNH WKH XVHIXOQHVV RI J\URV KDV UHFHQWO\ FRPH WR OLJKW )RU LQGHSWK information on gyro types, please see p.
  • Page 72 HELICOPTER ( HELI ) MODEL FUNCTIONS +(/,&237(5 )81&7,216.......... 72 Table of contents and reference info for helicopters . 72 Model Select .............27 5HYR0,; +(/, RQO\ ........81 Model Copy ............27 2IIVHW +(/, RQO\ ..........83 Model Data Reset..........28 'HOD\ +(/, RQO\ ..........84 Model Name ............29 +297+5 +(/, RQO\ ........85 Parameter ............30 +293,7 +(/, RQO\ ........85...
  • Page 73 HELICOPTER SWASHPLATE TYPES: The 8J radios support 8 basic swashplate setups, including "single servo" ( H-1 PDQ\ KHOLFRSWHUV XVH WKLV W\SH DQG  W\SHV of CCPM (cyclic and collective pitch mixing). A "single servo" swashplate uses one servo for each axis: aileron, elevator F\FOLF SLWFK  DQG FROOHFWLYH SLWFK &&30 KHOLFRSWHUV XWLOL]H D FRPELQDWLRQ RI VHUYRV ZRUNLQJ WRJHWKHU WR DFKLHYH WKH...

  • Page 74: Swash Afr (Heli Only)

    GOAL of EXAMPLE: STEPS: INPUTS: Change the MODEL TYPE and SWASH Confirm you are currently using the 2Q KRPH VFUHHQ FKHFN PRGHO QDPH DQG TYPE of model #3 from aircraft to 120 proper model memory. (example: 3) # on top left. GHJUHH &&30 ZLWK  VHUYRV ZRUNLQJ LQ If it is not the correct model (example:3), unison for collective pitch and aileron...
  • Page 75 SWASH AFR (not in SWH1 ): Swashplate function rate settings ( SWASH AFR ) reduce/increase/reverse the rate (travel) of the aileron, elevator (except H-2 ) and collective pitch functions, adjusting or reversing the motion of all servos involved in that function, only when using that function.
  • Page 76 Swash Mixing ( SWH MIX ): This function can be set for each flight condition, and is used to correct the tendency of the model to change when the rotor is tilted by aileron, elevator, and rudder controls. Adjustability: ‡ 0L[LQJ PD\ EH VHW IURP  WR  IRU HDFK ÀLJKW FRQGLWLRQ GOAL of EXAMPLE: STEPS:...
  • Page 77 Throttle Mixing ( THROTTLE MIX ): This function can be set for each flight condition, and is used to correct the tendency of the model to change altitude when the rotor is tilted by aileron, elevator, and rudder controls. Adjustability: ‡...
  • Page 78 Setting up the Normal Flight Condition: 7KH 1RUPDO ÀLJKW FRQGLWLRQ LV W\SLFDOO\ XWLOL]HG IRU KRYHULQJ 7KH WKURWWOH DQG collective pitch curves are adjusted to provide consistent engine RPM despite the increase/decrease in collective pitch of WKH EODGHV 7KLV NHHSV WKH HQJLQH IURP ³ERJJLQJ GRZQ´ XQGHU H[FHVVLYH ORDG OLNH WU\LQJ WR DFFHOHUDWH D FDU RQ D VWHHS KLOO LQ WK JHDU RU H[FHVVLYH 530 XQGHU LQVXI¿FLHQW ORDG OLNH ÀRRULQJ WKH WKURWWOH ZKLOH LQ QHXWUDO  ULVNLQJ HQJLQH GDPDJH As the 2 curves and revo.
  • Page 79 GOAL of EXAMPLE: STEPS: INPUTS: Set up Normal Flight Condition Open the THR-CURV/NOR function. for 1 second. Throttle/Collective Pitch Curves and $GMXVW WKH ¿UVW SRLQW ([ 5% .) to THR-CURV/NOR . Revo. to POINT-1 . to 5% . Base point: Adjust base point of throttle curve until engine idles reliably on the Open the PIT-CURV/NOR function.
  • Page 80 THR-HOLD : This function holds the engine in the idling position and disengages it from the THROTTLE STICK when SWITCH E -+ RU * -$ LV PRYHG ,W LV FRPPRQO\ XVHG WR SUDFWLFH DXWRURWDWLRQ Prior to setting up THR-HOLD  KRRN XS WKH WKURWWOH OLQNDJH VR WKDW WKH FDUEXUHWRU is opened fully at high throttle.

  • Page 81: Thr-Curve (Acro Only)

    THR-CURVE and PIT-CURVE  7KHVH SRLQW FXUYHV DUH XWLOL]HG WR EHVW PDWFK WKH EODGH FROOHFWLYH SLWFK WR WKH HQJLQH 530 IRU FRQVLVWHQW ORDG RQ WKH HQJLQH &XUYHV DUH VHSDUDWHO\ DGMXVWDEOH IRU QRUPDO LGOHXS  LGOHXS  DQG LGOHXS  ,Q DGGLWLRQ a separate collective pitch curve is available for throttle hold.
  • Page 82 &ORFNZLVH URWDWLRQ +,*+! /2:!  &RXQWHUFORFNZLVH URWDWLRQ +,*+! /2:!  $GMXVW WR WKH DFWXDO YDOXHV WKDW ZRUN EHVW IRU \RXU PRGHO 5HYR FXUYHV IRU LGOHXSV DUH RIWHQ YVKDSHG WR SURYLGH SURSHU UXGGHU LQSXW ZLWK QHJDWLYH SLWFK DQG LQFUHDVHG WKURWWOH GXULQJ LQYHUWHG ÀLJKW 5XGGHU LV QHHGHG WR FRXQWHU WKH UHDFWLRQ ZKHQHYHU WKHUH LV LQFUHDVHG WRUTXH ,Q LQYHUWHG ÀLJKW WKURWWOH VWLFN EHORZ KDOI KDV LQFUHDVHG WKURWWOH DQG QHJDWLYH SLWFK WKHUHIRUH LQFUHDVLQJ WRUTXH DQG URWDWLQJ WKH KHOLFRSWHU unless the revo.

  • Page 83: Delay (Heli Only)

    OFFSET : Optional separate trims in addition to those for the normal condition. This function is used to automatically change WKH WULP RI D KHOLFRSWHU )RU H[DPSOH ZKHQ WUDQVLWLRQLQJ IURP KRYHU WR À\LQJ DW KLJK VSHHG D FORFNZLVHURWDWLRQ URWRU helicopter tends to drift to the right at high speeds, so an aileron offset may be applied to offset the helicopter to the left. The necessary elevator offset varies with model geometry, so it must be determined by noting collective pitch changes at high speed.
  • Page 84 DELAY : The Delay function provides a smooth transition between the trim positions whenever OFFSET , REVO. MIXING , or THROTTLE HOLD functions are turned on and off. Adjustability: ‡ 6HSDUDWH GHOD\ WLPHV DUH DYDLODEOH IRU DLOHURQ HOHYDWRU UXGGHU WKURWWOH DQG pitch.
  • Page 85 HOVERING ADJUSTMENTS ( HOV-THR and HOV-PIT ): +RYHULQJ WKURWWOH DQG KRYHULQJ SLWFK DUH ¿QHWXQLQJ DGMXVWPHQWV IRU WKH WKURWWOH DQG FROOHFWLYH SLWFK FXUYHV LQGLYLGXDOO\ DIIHFWLQJ SHUIRUPDQFH RQO\ DURXQG WKH FHQWHU SRLQW DQG RQO\ LQ WKH QRUPDO FRQGLWLRQ 7KH\ DOORZ LQÀLJKW WZHDNLQJ RI WKH curves for ideal setup.

  • Page 86: Hov-Pit (Heli Only)

    HIGH/LOW PITCH ( HI/LO-PIT ): 7KLV IXQFWLRQ PD\ EH XVHG WR DGMXVW WKH FXUYHV KLJK DQG ORZ VLGH LQGLYLGXDOO\ IRU HDFK ÀLJKW FRQGLWLRQ QRUPDO LGOHXS  LGOHXS  LGOHXS  WKURWWOH KROG  Adjustability: ‡ <RX PD\ GH¿QH KLJK DQG ORZ VLGH UDWH WULP NQREV WKH KLJK VLGH SLWFK WULP FRQWURO LV GH¿QHG DV WKH '7 DW LQLWLDO VHWWLQJ  ‡...

  • Page 87: Gyro (Heli Only)

    *<526 DQG *29(51256 8VLQJ HOHFWURQLFV WR WDNH VRPH RI WKH FRPSOH[LW\ RXW RI VHWXSV DQG ÀLJKW :KDW LV D J\UR" $ J\URVFRSH LV DQ HOHFWURQLF XQLW WKDW VHQVHV PRWLRQ DQG FRUUHFWV IRU LW )RU H[DPSOH LI WKH ZLQG EORZV \RXU KHOLFRSWHU¶V WDLO WR WKH OHIW D J\UR ZLOO VHQVH WKDW PRWLRQ FRQ¿UPLQJ WKDW QR LQSXW ZDV JLYHQ DQG ZLOO FRUUHFW IRU LW +RZ GRHV LW KHOS LQ KHOLFRSWHU VHWXS"...

  • Page 88: Governor (Heli Only)

    ‡ /DUJHU SHUFHQWDJHV LQGLFDWH PRUH JDLQ RU J\UR UHVSRQVLYHQHVV ‡ 7DLO ZDJJLQJ RU VKDNLQJ LQGLFDWHV H[FHVVLYH JDLQ VHWWLQJV 7XUQ GRZQ J\UR VHWWLQJ XQWLO ZDJ VWRSV ‡  D[HV RI  D[HV RI VHWXS RI J\UR FDQ EH FKRVHQ E\ CH . Gain Example for AVCS/Heading-hold Gyros ( GY ) "Normal Mode"...
  • Page 89 GOVERNORS: GV-1 connections Magnetic sensor Throttle servo Control amp Mixture servo Connected only when fuel mixture function used. Speed setting channel Throttle channel Connected when speed set from transmitter Governor ON/OFF / Mixture trim channel Connected when the governor is turned on and off from transmitter and when mixture trim function is used, or when mixture curve data is sent from transmit- ter to governor...
  • Page 90 7KH JRYHUQRU FRQWUROV WKURWWOH ZKHQ LW LV DFWLYH VR WKH WKURWWOH ZLOO QRW REH\ DQ\ )DLO6DIH VHWWLQJ SUHVHWV IRU WKURWWOH LQ WKH WUDQVPLWWHU $OZD\V VHW WKH )DLO6DIH VHWWLQJ IRU WKH JRYHUQRU¶V RQRII FKDQQHO WR 2)) 7KLV ZD\ WKH JRYHUQRU LV VKXW RII DQG WKH WKURWWOH REH\V WKH )DLO6DIH WKURWWOH FRPPDQGV Expert Tip: Mounting the governor to the counter gear instead of the fan GUDPDWLFDOO\ VLPSOL¿HV LQVWDOODWLRQ LQ PDQ\ PRGHOV...

  • Page 91: Tx Setting

    TX SETTING 7KLV LV QRW XVXDOO\ XVHG 3OHDVH GR QRW XVH XQOHVV QHFHVVDU\ 7KLV VHWXS FDQ EH SHUIRUPHG LQ 6WLFN 0RGH 6WLFN $'- FDOLEUDWLRQ  7KURWWOH VWLFN UHYHUVH DQG /DQJXDJH ＋ − 1. Simultaneously depress the ＋ and − NH\V DQG WKHQ WXUQ RQ WKH SRZHU  7;...
  • Page 92 $ VWLFN LV IXOO RSHUDWHG ULJKW ④ ⑤ ■ is displayed beside ⑥ I t i s t h e d i s p l a y o f and left (up and down). /()7 DQG 5*+7 83 "Complete" and is END. DOWN).

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