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Before using your 4GWD, read this manual carefully and use your R/C set safely.
Application, Export, and Modification
1. This product may be used for models only. It is not intended for use in any application other than
the control of models for hobby and recreational purposes. The product is subject to regulations of
the Ministry of Radio/Telecommunications and is restricted under Japanese law to such purposes.
2. Exportation precautions:
(a) When this product is exported from the country of manufacture, its use is to be approved by the laws gov-
erning the country of destination which govern devices that emit radio frequencies. If this product is then re-
exported to other countries, it may be subject to restrictions on such export. Prior approval of the appropriate
goverment authorities may be required. 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.
(b) Use of this product with other than models may be restricted by Export and Trade Control Regulations,
and an application for export approval must be submitted. In the US, use of 72MHz (aircraft only), 75MHz
(ground models only) and 27MHz (both) frequency bands are strictly regulated by the FCC. This equipment
must not be utilized to operate equipment other than radio controlled models. Similarly, other frequencies (ex-
cept 50MHz, for HAM operators) must not be used to operate models.
warranty.
Compliance Information Statement (for U.S.A.)
This device, trade name Futaba Corporation of America, model number R124H complies with part
15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause unde-
sired operation.
The responsible party of this device compliance is;
Futaba Service Center
3002 N Apollo Drive Suite 1, Champaign, IL 61822 U.S.A.
TEL (217)398-8970 or E-mail: support@futaba-rc.com (Support)
TEL (217)398-0007 or E-mail: service@futaba-rc.com (Service)
Battery Recycling (for U.S.A.)
The RBRC
taba products indicates that Futaba Corporation of America is voluntarily participating
in an industry program to collect and recycle these batteries at the end of their useful
lives, when taken out of service within the United States. The RBRC
vides a convenient alternative to placing used nickel-cadmium batteries into the trash or
municipal waste system, which is illegal in some areas.
You may contact your local recycling center for information on where to return the spent battery.
Please call 1-800-8-BATTERY for information on Ni-Cd battery recycling in your area. Futaba Cor-
poration of America's involvement in this program is part of its commitment to protecting our envi-
ronment and conserving natural resources.
TM
RBRC
is a trademark of the Rechargeable Battery Recycling Corporation.
Thank you for purchasing a Futaba 4GWD.
After reading this manual, store it in a safe place.
TM
SEAL on the (easily removable) nickel-cadmium battery contained in Fu-
TM
program pro-

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Summary of Contents for FUTABA 4GWD

  • Page 1 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 2 • No part of this manual may be reproduced in any form without prior permission. • The contents of this manual are subject to change without prior notice. • This manual has been carefully written. Please write to Futaba if you feel that any corrections or clarifications should be made.
  • Page 3: Table Of Contents

    Table Of Contents For Your Safety As Well As That Of Others ... 6 Explanation of Symbols................. 6 Operation Precautions................... 6 NiCd Battery Handling Precautions.............. 8 Storage and Disposal Precautions ............... 9 Other Precautions ..................10 Before Using ............11 Set Contents ....................
  • Page 4 Servo Reverse / REV ................... 27 Model Select / SEL ..................28 Model Copy / CPY ..................29 Model Reset / CLR ..................30 Model Name / NAM ..................31 For Your Safety MC230CR Function ..................32 As Well As That Of Others Reference ..............
  • Page 5: For Your Safety As Well As That Of Others

    For Your Safety As Well As That Of Others Use this product in a safe manner. Please observe the following safety precautions at all times. Explanation of Symbols The parts of this manual indicated by the following symbols are extremely important and must be observed.
  • Page 6 ––––––––––––––– Mandatory Procedures ––––––––––––––– Extend the transmitter antenna to its Always perform an operating range full length. check prior to use. If the transmitter antenna is not fully extended the Problems with the radio control system as well as operating range of the radio will be reduced. improper installation in a model could cause loss of control.
  • Page 7: Nicd Battery Handling Precautions

    NiCd Battery Handling Precautions (Only when NiCd batteries are used) Warning ––––––––––––––– Mandatory Procedures ––––––––––––––– Always check to be sure your batteries To recharge the transmitter NiCd, have been charged prior to operating use the special charger made for this the model.
  • Page 8: Storage And Disposal Precautions

    Storage and Disposal Precautions Warning –– Prohibited Procedures –– –– Mandatory Procedures –– Do not leave the radio system or When the system will not be used for models within the reach of small any length of time store the system children.
  • Page 9: Other Precautions

    The fuel, motor spray, waste oil and exhaust will batteries and other optional accessories. penetrate and damage the plastic. Futaba will not be responsible for problems caused by the use of other than Futaba genuine parts. Use the parts specified in the instruction manual and catalog.
  • Page 10: Before Using

    Always use only genuine Futaba transmitter, receiver, servo, NiCd battery and other optional parts. Futaba will not be responsible for damage caused by other than genuine Futaba parts and components. Use only the genuine Futaba parts and components listed in the instruction manual and catalog.
  • Page 11: Transmitter

    Transmitter T4GWD Antenna Neck strap hook Pilot lamp Shift gate Aux. ch Throttle /Steering /Shift stick stick Throttle Aux. ch trim trim (DT2) (DT3) Shift Steering trim trim (DT4) (DT1) Power switch Edit keys Edit keys LCD screen Precautions when turning the power switch on and off. When the data was changed using the edit keys or trim levers, wait at least two seconds before turning off the power.
  • Page 12: Digital Trim Operation (Dt1/Dt2/Dt3/Dt4)

    Digital Trim Operation (DT1/DT2/DT3/DT4) Push the lever to the left or right (up or down). The current position is displayed on the LCD screen for about three seconds when each digital trim is operated. Throttle trim Aux. ch trim Shift trim Steering trim position position...
  • Page 13: Stick Lever Head Adjustment

    Stick Lever Head Adjustment The length of the lever head of the steering and throttle sticks can be adjusted. Adjustment Lever head Lever head Unlock lever head “A” by tur ning it “A” “B” counterclockwise. Adjust the head to the length best for you, then lock the heads by turning lever head “A”...
  • Page 14: Battery Replacement (For Dry Cell Battery System)

    Battery Replacement (for dry cell battery system) Load the eight batteries in accordance with the polarity markings on the battery holder. (8 AA Size Batteries) Battery Replacement Caution Remove the battery cover Always be sure you reinsert the bat- f r o m t h e t r a n s m i t t e r b y teries in the correct polarity order.
  • Page 15: Charging The Battery (For Nicd Battery System)

    Charging The Battery (for NiCd battery system) NiCd battery NT8F700B - Always use an NT8F700B NiCd battery. Charging jack AC outlet Charging the NiCd Battery Plug the transmitter cord of Charger the special charger into the charging jack on the side of the transmitter.
  • Page 16: Set Data Backup

    Caution Never try to recharge a dry cell battery. When the charger is not in use, discon- nect it from the AC outlet. The transmitter may be damaged or the batter y Do this to prevent accidents and to avoid overheating. electrolyte may leak or the battery may break.
  • Page 17: Receiver

    Receiver Crystal When changing the frequency, use the specified Futaba crystal set. Antenna Connectors 4: Shift servo (CH4) 3: Aux. Ch (CH3) 2: Throttle servo (CH2) 1: Steering servo (CH1) R124H receiver B: Power connector For the receiver, servos, and other connections, see page 19.
  • Page 18: Installation

    Installation Receiver and Servo Connections When connecting and installing the receiver and servos, read the "Installation Safety Precautions" on the next page. Installation For Gas Powered Models (CH4) Shift servo (CH2) Receiver Throttle servo Power switch (CH1) *Rubber band Steering servo Battery holder Installation When MC230CR Is Used To motor connectors...
  • Page 19: Installation Safety Precautions

    Installation Safety Precautions Warning Connector Connections Servo Throw Be sure the receiver, servo, crystal and Operate each servo over its full stroke connectors are fully and firmly con- and be sure the linkage does not bind nected. or is loose. If vibration from the model causes a connector to work The continuous application of unreasonable force to a loose while the model is in operation, you may lose...
  • Page 20: Initial Set-Up

    Initial Set-Up Preparations Before setting the transmitter functions, check and set items below: Display when power switch is turned on Turn on the transmitter power. Battery voltage Model name Model number Digital Trims Initial Set-Up Operate the DT1-DT4 levers and check if each trim value on the screen changes. After checking each trim, set the trim value to the center (0) position.
  • Page 21: Mc230Cr Set-Up Procedure

    MC230CR Set-Up Procedure NEUTRAL, HIGH, AND BRAKE MAX POINTS SETTINGS Set the steering angle adjustment function (EPA) to *When using the ABS function, after setting up 100% and the ABS function and acceleration function the MC230CR, stop the reverse function, then to OFF using the transmitter throttle channel function.
  • Page 22: Function Map

    Function Map Power switch turned on Press "SEL" key to select the desired function screen. Press it for one second or more to scroll to the opposite direction. (Initial Screen) Press "CH" key to select the next set-up screen. End Point Adjuster Subtrim Channel Reverse Model Select...
  • Page 23: Functions

    Functions End point adjuster/EPA Use this when performing left and right steering angle adjustments, throttle high side/brake side operation amount adjustment, channel 3 servo up side/down side operation amount adjustment, and shift servo left side/right side operation amount adjustments during linkage. - Corrects the maximum steering angle and left and right steering angles when there is a difference in the turning radius due to the characteristics, etc.
  • Page 24 Steering (EPA) adjustment (Preparation) - Select setup item "C1" and make the following adjustments: Steering (left side) adjustment Turn the steering stick fully to the left and use the (+) and (-) buttons to adjust the steering angle. Steering (right side) adjustment Turn the steering stick fully to the right and use the (+) and (-) buttons to adjust the steering angle.
  • Page 25: Subtrim / Sbt

    Subtrim / SBT Use this function to adjust the neutral position of the steering, throttle, channel 3 and shift servos. Subtrim shifts the entire servo travel range in the set direc- tion. Use to adjust the neutral position Press "CH" key to select the next set- Calling the setup screen up screen.
  • Page 26: Servo Reverse / Rev

    Servo Reverse / REV This function reverses the direction of operation of the servos related to transmitter steering, throttle, channel 3 and shift operation. However, when the position set by trim or subtrim shifts from the center, the center becomes the opposite side. Press "CH"...
  • Page 27: Model Select / Sel

    Model Select / SEL Use this function to call a new model number, or to change a set model number, to set new model data. The T4GWD transmitter can store the model data for three R/C cars. Press "CH" key to select the next set- Calling the setup screen up screen.
  • Page 28: Model Copy / Cpy

    Model Copy / CPY This function copies the entire contents of the currently called model memory to another model memory. Press "CH" key to select the next set- Calling the setup screen up screen. (Initial screen) (Setup screen) Press "SEL" key to select the Current model No.
  • Page 29: Model Reset / Clr

    Model Reset / CLR This functions resets the contents of the currently called model memory to the initial value. Calling the setup screen (Initial screen) (Setup screen) Current model No. Press "SEL" key to select the desired function screen. Model Reset Reset execution Press the (+) and (-) buttons simultaneously for about 1 second.
  • Page 30: Model Name / Nam

    Model Name / NAM This function allows you to assign a three character name to each model memory. (Number and alphabet can be used.) Press "CH" key to select the next set- Calling the setup screen up screen. (Initial screen) (Setup screen) Press "SEL"...
  • Page 31: Mc230Cr Function

    MC230CR Function CANCELLING THE REVERSE FUNCTION The amp reverse function can be cancelled by the following method so that the model can be used even in races that prohibit reverse running. (Brake operation only) MC230CR (Pushbutton switch operation) (Power switch) *When desired, you can enable the cancelled reverse Reverse function by repeating the operation shown at the left.
  • Page 32: Reference

    Reference Ratings *Specifications and ratings are subject to change without prior notice. Transmitter T4GWD E.S.C. MC230CR (2 Stick system, 4 channels) (Electronic speed control) - Transmitting frequencies: 27, 29, - Operating system: Forward, reverse, 40, 41 or 75MHz band and brake operations are all linear. - Modulation: AM - Power requirement: Nicd battery - Power requirement:...
  • Page 33: Optional Parts

    Use AM crystal sets with R124H. Warning Use only genuine Futaba crystal. The use of other than Futaba crystal will result in decrease of range as well as loss of control. Transmitter NiCd Battery When purchasing a transmitter NiCd battery as a spare, etc., use the following: Part name: NT8F700B (9.6V/700mAh)
  • Page 34: Troubleshooting

    Troubleshooting If your system fails to operate or you experience a short range problem or erratic control, check the table below for possible causes. If after you have followed the suggestions listed, the problem is not corrected, return the system to our service department for inspection, and repair.
  • Page 35: Error Displays

    LCD screen: Warning When a backup error is generated, immediately stop using the system and request repair from the Futaba Service Center. If you continue to use the system, the transmitter may Audible alarm: malfunction and cause loss of control.
  • Page 36: When Requesting Repair

    Hobby Services (U.S. only) 3002 N. Apollo Drive, Suite 1 Champaign, IL 61822 U.S.A. Phone: (217) 398-0007 service@futaba-rc.com FUTABA CORPORATION Makuhari Techno Garden Bldg., B6F 1-3 Nakase, Mihama-ku, Chiba 261-8555, Japan Phone: (043) 296-5119 Facsimile: (043) 296-5124 ©FUTABA CORPORATION 2007, 8...

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