Thank you for purchasing a Futaba 3GR-2.4GHz system. Before using your 3GR-2.4GHz system, read this manual carefully in order to use your R/C set safely. After reading this manual, store it in a safe place. 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. 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. •Futaba is not responsible for the use of this product.
Table Of Contents For Your Safety As Well As That Of Others........... 6 Explanation of Symbols ................................................................................ 6 2.4GHz System Precautions ......................................................................... 6 Operation Precautions .................................................................................. 7 NiCd Battery Handling Precautions .............................................................
Model Select ...................................................................................... 48 Timer ................................................................................................... 49 (System Functions) Model Copy ........................................................................................ 51 Model Reset ....................................................................................... 52 Model Name ................................................................
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 For Your Safety As Well As That Of Others The parts of this manual indicated by the following symbols are extremely important and must be observed. Symbols Explanation Danger Indicates a procedure which could lead to a dangerous situation and may cause death or serious injury if ignored and not performed properly.
Operation Precautions Warning Do not operate outdoors on rainy days , run through puddles of water, or use when visibility is limited. Should any type of moisture (water or snow) enter any component of the system, erratic operation and loss of control may occur. Do not operate this R/C system when you are tired, not feeling well or under the influence of alcohol or drugs. Do not operate in the following places. -Near people or roads. -On any pond when boats are present.
(Turning on the power switches) Always check the throttle stick on the transmitter to be sure it is at the neutral position. 1. Turn on the transmitter power switch. 2. Turn on the receiver or speed control power switch. (Turning off the power switches) Always be sure the engine is not running or the motor is stopped. For Your Safety As Well As That Of Others 8 1. Turn off the receiver or speed control power switch. 2. Then turn off the transmitter power switch.
NiCd Battery Handling Precautions (Only when NiCd batteries are used) Warning Always check to be sure your batteries have been charged prior to operating the model. To recharge the transmitter and/or receiver NiCd batteries, use the special charger made for this purpose. Should the battery go dead while the model is operating, loss of control will occur and create a very dangerous situation. Overcharging could cause the NiCd battery to overheat, leak or explode.
Storage and Disposal Precautions Warning Prohibited Procedures Do not leave the radio system or models within the reach of small children. For Your Safety As Well As That Of Others A small child may accidentally operate the system. This could cause a dangerous situation and injuries. NiCd batteries can be very dangerous when mishandled and cause chemical damage. Caution Prohibited Procedures Do not store your R/C system in the following places. - Where it is extremely hot or cold.
Other Precautions Caution Do not expose plastic parts to fuel, motor spray, waste oil or exhaust. The fuel, motor spray, waste oil and exhaust will penetrate and damage the plastic. Mandatory Procedures Always use only genuine Futaba transmitters, receivers, servos, FET amps (electronic speed controls),NiCd batteries and other optional accessories. Futaba will not be responsible for problems caused by the use of other than genuine Futaba parts.
Before Using Features This system is based on the combination of the newly developed 2.4GHz transmitter and its corresponding receiver. The system utilizes the 2.4GHz-SS radio communication and an ultra small antenna. In addition, the system inherits Futaba's unique HRS (High Response System). Before Using 12 - 2.4GHzSS (Spread Spectrum) radio communication system - Frequency channel setting unnecessary Sifting the channels within the 2.
Before Using - Digital trim: Steering trim, Throttle trim, Steering D/R The current position is displayed on the LCD screen for about three seconds when each digital trim is operated. - Function select lever function (FNC-DT1/DT2/DT3/DT4) This function assigns a function to levers (digital trims, grip levers). Trim positioning at each model call is unnecessary because all the levers are digital. - Function select switch function (FNC-SW1/SW2) This function assigns a function to the two installed switches.
Set Contents Your 3GR-2.4GHz system includes the following: 3GR-2.4GHz System Before Using Transmitter T3GR-2.4G Receiver R603FF Miscellaneous Receiver switch Instruction manual - If any of the set contents are missing, or you have any questions, please contact the dealer where the unit was purchased.
Transmitter T3GR-2.4G Warning Caution Otherwise, the operating range may become shorter. Carrying handle Never hold the antenna alone. Hold the carrying handle. Otherwise the antenna may be damaged. Neck strap hook Antenna Pilot lamp Switch ( SW2) Switch (SW1) Throttle stick Steering stick Throttle trim (DT2) ATL lever (DT4) Steering dual rate lever(DT3) Before Using Adjust the antenna vertically to the ground.
Digital Trim Operation (Initial settings: DT1: Steering trim, DT2: Throttle trim, DT3=Steering D/R, DT4=Throttle ATL) 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 position Steering trim position DT2 DT3 Before Using Steering D/R rate DT4 DT1 ATL position - Each step is indicated by a tone.
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) 1 Remove the battery cover from the transmitter by sliding it in the direction of the arrow in the figure. 2 Remove the used batteries. 3 Load the new AA size batteries. Pay very close attention to the polarity markings and reinsert accordingly. 4 Slide the battery cover back onto the case.
For NiCd battery system - Always use an NT8F700B NiCd battery. NiCd battery NT8F700B Before Using Charging jack Charging the NiCd Battery 1 Plug the transmitter cord of the special charger into the charging jack on the side of the transmitter. AC outlet Charger 2 Plug the charger into an AC outlet. 3 Check that the charging LED lights. Transmitter charging LED Cord to transmitter charging jack When charging the NT8F700B NiCd battery with the special charger, allow about 15 hours for charging.
Warning Plugging the charger into the wrong outlet may result in an explosion, sparking, or fire. Do not insert and remove the charger when your hands are wet. It may cause an electric shock. Always use the special charger or a quick charger for digital proportional R/C sets to charge a digital proportional R/C set NiCd battery. Overcharging a NiCd battery can result in burns, fire, injuries, or loss of sight due to overheating, breakage, or electrolyte leakage. Use the special charger.
Receiver Connectors 3: CH3 servo (CH3) 2: Throttle servo (CH2) 1: Steering servo (CH1) B/C: Power connector/DSC connector RS232C: (for factory use only) Antenna Coaxial cable Before Using R603FF receiver For the receiver, servos, and other connections, see page 21.
Installation Receiver and Servo Connections When connecting and installing the receiver and servos, read the “Installation Safety Precautions”. Installation For Electric Powered Models ESC Installation R603FF Installation For Gas Powered Models R603FF Installation Safety Precautions Receiver Antenna Installation Install the R603FF receiver on the car as follows: Note: The operating range may become shorter, depending on where the receiver and the antenna are mounted.
Warning Connector Connections Operate each servo over its full stroke and be sure the linkage does not bind or is loose. If vibration from the model causes a connector to work loose while the model is in operation, you may lose control . The continuous application of unreasonable force to a servo may cause damage and excessive battery drain.
Initial Set-Up How to link the transmitter and the receiver 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 needs to be used with an other transmitter. (For T/R set, the link is already done at factory.) Link procedure 1.
Preparations (Transmitter) Before setting the transmitter functions, check and set items below. (Display when power switch is turned on) Turn on the transmitter power. Modulation mode PP: PPM mode HRS: HRS mode (displayed for about one second) Battery voltage Initial Set-Up Model name Model number 1. Model Number Check When the power switch is turned on, the current selected model number is displayed. Check if this number is the model number you want to set-up.
3. Trims Initial Set-Up - Steering trim (DT1) check At initial set-up, steering trim is assigned to digital trim DT1. Operate the DT1 lever and check if the steering trim value on the screen changes. After checking the trim, set the trim value to the center (0) position. - Throttle trim (DT2) check At initial set-up, throttle trim is assigned to digital trim DT2. Operate the DT2 lever and check if the throttle trim value on the screen changes.
- Steering dual rate (DT3) check At initial set-up, steering dual rate is assigned to digital trim DT3. Operate the DT3 lever and check if the D/R value displayed on the screen changes. After checking D/R, set the steering dual rate to 100%. - Throttle ATL (DT4) check At initial setting, throttle ATL is assigned to digital trim DT4. Operate the DT4 lever and check if the ATL value displayed on the screen changes. After checking ATL, set throttle ATL to 100%.
(Set-Up Procedure When Installed In a Car) When installing the servos in a car, performing function set-up in the following order is recommended. 1. Set up the servo trims (page 22). 2. Set the servo direction of operation using the Reverse function. (Page 47) The servo installation method and linkage direction depend on the kit. Therefore, the servo operation direction may have to be reversed relative to transmitter operation.
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. The current modulation mode is displayed for about two seconds. (Initial Screen) Press "CH" key to select the next set-up screen.
System Functions Turn on the power switch while pressing "SEL" key. Press "SEL" key to select the desired function screen. Press it for one second or more to scroll to the opposite direction. Model Copy Throttle Neutral Adjuster Model Reset LED Mode Selection Model Name Condition 2 Selection (displayed for about one second) Function Select Lever Function Select Switch Press "CH" key to select the next set-up screen.
Functions End point adjuster/EPA Use this when performing left and right steering angle adjustments, throttle high side/ brake side operation amount adjustment, and channel 3 servo up side/down side operation amount adjustment 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. of the vehicle.
Press "CH" key to select the next setup screen. Calling the setup screen (Initial screen) Press "SEL" key to select the desired function screen. (Setup screen) Setup items ST-L.F.U : Steering (left side) ST-R.B.D : Steering (right side) TH-L.F.U : Throttle (forward side) TH-R.B.D : Throttle (brake side) 3C-L.F.U : 3rd channel (up side) 3C-R.B.D : 3rd channel (down side) Adjustment range 0~120% (each channel, each direction) Adjustment buttons - Use the (+) and (-) keys to make adjustments.
2 Throttle (brake side/reverse side) adjustment Pull the throttle stick fully to the brake side and use the (+) and (-) buttons to adjust the steering angle. However, when using an FET amp, set to 100%. 3 When adjusting the EPA of another channel immediately after this, see the adjustment method for that channel. When ending adjustment, return to the initial screen by pressing the (SEL) button. 3rd channel servo (EPA) adjustment (Preparation) - Select setup item "3C-L.F.
Steering Speed/SPD Quick steering operation will cause momentary understeering, loss of speed, or spinning. This function is effective in such cases. Smooth cornering Spin Understeering Stick operation Steering speed not set Operation - This function limits the maximum speed of the steering servo. (Delay function) - The steering speed when the steering stick ス is operated (TN direction) and returned (RN テ ィ direction) can be independently set.
Steering EXP, Throttle EXP / EXP This function is used to change the sensitivity of the steering servo around the neutral position and makes throttle stick high side and brake side direction servo operation quicker or milder. It has no effect on the maximum servo travel. Racers Tip When the setting is not determined, or the characteristics of the model are unknown, start with 0%. (When EXP is set to 0%, servo movement is linear.
Throttle EXP Adjustment (Preparation) - Select setup item "EXP-FW" and make the following adjustments: 1 Forward side adjustment Use the (+) button to adjust the + side when you want to quicken the rise and use the (-) button to adjust the - side when you want to make the rise milder. 2 Brake side adjustment Select setup item "EXP-BK" and use the (+) button to adjust the + side when you want to quicken the rise and use the (-) button to adjust the - side when you want to make the rise milder.
A.B.S. Function / ABS When the brakes are applied while cornering with a 4 Wheel Drive or other type of vehicle, understeer may occur. The generation of understeer can be eliminated and corners can be smoothly cleared by using this function. Operation - When the brakes are applied, the throttle servo will pulse intermittently. This will have the same effect as pumping the brakes in a full size car. - The brake return amount, pumping cycle, and delay amount can be adjusted. Without A.B.S. With A.B.S.
A.B.S function adjustment (Preparation) - Select setup item "ABS-MD" and make the following adjustments: 1 (Function ON/OFF) Set the function to the active state by pressing the (+) or (-) button. OFF : Function OFF ON : Function ON 2 (Brake return amount adjustment) Select setup item "ABS-PT" and use the (+) and (-) buttons to adjust the return amount. "0" : No return "50" : Return to the 50% position of the brake operation amount "100" : Return to the neutral position.
Throttle Acceleration / ACC Gasoline engine cars have a small time lag at both the forward side and brake side because a certain clearance is necessary at the linkage. Reducing this time lag at the transmitter side provides the same sharp response as electric motor cars. Carburetor A slight clearance is required at the linkage, but the throttle acceleration function acts to reduce the time lag caused by this clearance.
Throttle acceleration adjustment (Preparation) - Select setup item "ACC-FW" and make the following adjustments. 1 (Forward acceleration amount adjustment) Use the (+) and (-) buttons to adjust the acceleration amount. "0": No acceleration "100": Maximum acceleration (Approximately 1/2 of the forward side steering angle) 2 (Brake side acceleration amount adjustment) Select setup item "ACC-BK" and use the (+) and (-) buttons to adjust the acceleration amount.
Brake Mixing / BMX Use this mixing when the front and rear brakes must be adjusted independently, such as in 1/5GP cars, etc. This mixing uses the 2nd channel to control the rear brakes and the 3rd channel to control the front brakes. Operation - When braking, mixing is applied to 2nd channel and to 3rd channel. - Mixing rate setting are possible. - The set value of A.B.S. functions is reflected. Press "CH" key to select the next setup screen.
Programmable Mixing / PMX This function allows you to apply mixing between the steering, throttle, and channel 3 channels. Calling the setup screen (Initial screen) Setup items PMX-RT(L.F.U): Mixing rate (Left side) PMX-RT(R.B.D.): Mixing rate (Right side) PMX-MS: Master channel PMX-SL: Slave channel PMX-MD: Function ON/OFF (Setup screen) Press "SEL" key to select the desired function screen.
Fail Safe Function/FAIL SAFE (This function can only be used with HRS system.) Fail safe function This function moves the steering, throttle and channel 3 servos to a preset position when the receiver cannot receive the signal from the transmitter for some reason. When the servo operation position is not set, this function operates so that the servos remain in the position they were in immediately before reception was lost.
Steering Trim, Throttle Trim / TRM Steering neutral adjustments and throttle neutral adjustments during a run can be made by moving the trim lever to the left or right (the up or down). This setting is linked to transmitter digital trim lever DT1 and DT2. When DT1 or DT2 is assigned to another function, set the trim function with this screen.
Steering Dual Rate / D/R-ST When the steering angle is too small at under steering at corners while running, increase the rate. When the steering angle is too large at over steering, decrease the rate. The setup here is linked with transmitter digital trim DT3. Adjustments can be made at this screen even if DT3 is assigned to another function. Operation - The steering servo left and right steering angles are adjusted simultaneously.
Setup Item ATL-BK: Throttle ATL position ATL position 0 ~ 100% Initial value: 100% Adjustment buttons - Use the (+) and (-) buttons to make adjustments. - Press the (+) and (-) buttons simultaneously (approx. 1 sec) to return to the initial screen. Throttle ATL adjustment 1 (ATL position adjustment) Use the (+) and (-) buttons to adjust the ATL position. - This position is linked with the grip lever (DT4). 2 When ending adjustment, return to the initial screen by pressing the (SEL) button.
Subtrim / SBT Use this function to adjust the neutral position of the steering, throttle and channel 3 servos. Subtrim shifts the entire servo travel range in the set direction. センターを出すため に使用する Use to adjust the neutral position Press "CH" key to select the next setup screen. Calling the setup screen (Initial screen) (Setup screen) Press "SEL" key to select the desired function screen. Setup Item SBT-ST : Steering SBT-TH : Throttle SBT-3C : Channel 3 Subtrim position L.F.U 100% ~ 0 ~ R.B.
Servo Reverse / REV This function reverses the direction of operation of the servos related to transmitter steering, throttle, and channel 3 operation. However, when the position set by trim or subtrim shifts from the center, the center becomes the opposite side. Press "CH" key to select the next setup screen. Calling the setup screen (Initial screen) Press "SEL" key to select the desired function screen.
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 T3GR-2.4G transmitter can store the model data for ten R/C cars. Calling model memories of different modulation modes (HRS, PPM) After the new model is called, signals are still output in the old model modulation mode until the transmitter power is turned off. Before using the new modulation mode, turn the power off and on. (See page 53 for the HRS/PPM mode selection.
Timer / TIMER Use the timer by selecting from UP Timer or DOWN timer. UP TIMER function - The UP TIMER can be used to count the time between start and stop. - The timer repeatedly starts and stops each time the switch is operated and accumulates the time between each start and stop. - The first start operation can be linked to the throttle stick. - An alarm sound can be set. DOWN TIMER function - The DOWN TIMER can be used to count the time between start and stop. (The time remaining is displayed.
3 (Linking start with the throttle stick) Select setup item "TIMER" and press the (+) and (-) buttons simultaneously for about 1 second. A beeping sound is generated and "RDY" displays at the timer display and the system enters the RDY state. Stick operation starts the timer. (Timer start/stop operation) The switch SW1 preset by function select switch function (page 54) starts the timer. Only starting can be linked with the throttle stick.
Model Copy / CPY This function copies the entire contents of the currently called model memory to another model memory. Calling the setup screen 1. Turn on the power switch while pressing "SEL" key. 2. Next, use "SEL" key to select the desired function screen. Current model No. Copy destination model No. Model Copy 1 (Copy destination selection) Use the (CH) button to select the copy destination model No. 2 (Copy execution) Press the (+) and (-) buttons simultaneously for about 1 second.
Model Reset / CLR This functions resets the contents of the currently called model memory to the initial value. However, it does not reset the lap time memory, HRS/PPM select, and LED mode selection. Calling the setup screen 1. Turn on the power switch while pressing "SEL" key. 2. Next, use "SEL" key to select the desired function screen. Current model No. Model Reset 1 (Reset execution) Press the (+) and (-) buttons simultaneously for about 1 second.
HRS/PPM Select / MOD The signal mode output from the transmitter can be changed. (PPM/HRS) - When the mode was changed and when a model of a different mode was selected, signals are output in the mode set at the point at which the transmitter power was turned back on. Calling the setup screen 1. Turn on the power switch while pressing "SEL" key. 2. Next, use "SEL" key to select the desired function screen.
Function Select Switch / FNC-SW This function allows selection of the function to be performed by the switches (SW1/SW2). Settable functions (SW1) OF: (function off) 3C: Channel 3 MX: Programmable mixing TM: Timer switch Settable functions (SW2) OF: (function off) 3C: Channel 3 MX: Programmable mixing Calling the setup screen 1. Turn on the power switch while pressing "SEL" key. 2. Next, use "SEL" key to select the desired function screen. Press "CH" key to select the next setup screen.
Function Select Lever / FNC-DT This function allows selection of the function performed by digital trim (DT1/DT2/ DT3/DT4). Initially set functions Settable functions DT1: Steering trim DT2: Throttle trim DT3: Dual rate function DT4: ATL function ST: Steering trim TH: Throttle trim DR: Steering D/R AT: Throttle ATL E1: Steering EXP BK: Brake mixing rate 3C: Channel 3 OF: (function off) Calling the setup screen 1. Turn on the power switch while pressing "SEL" key. 2.
Condition 2 Selection / COND2 Condition 2 Selection In specific functions, two rates can be set up, and switched with the switch (SW1) simultaneously during a run. If this function is activated, SW1 is used only for this function, and it becomes impossible to use it for other functions automatically. When the switch (SW1) is operated, Condition 2 on/off state changes by turn. When this function is turned on, the beep sounds and the pilot lamp blinks. Calling the setup screen 1.
Throttle Neutral Adjuster / THR-NT You can select your desired throttle neutral position. (7:3 or 5:5) Calling the setup screen 1. Turn on the power switch while pressing "SEL" key. 2. Next, use "SEL" key to select the desired function screen. Neutral position "7-3": 7:3 "5-5": 5:5 Neutral position selection 1 Use the (+) or (-) buttons to select the neutral position. ("7-3" or "5-5") 2 When ending selection, once turn off the power switch before use.
Reference Ratings *Specifications and ratings are subject to change without prior notice. - Communication method: One-way operation system - Mode: PPM, HRS (Auto-detect) - Maximum operating range: 80m (Optimum condition) - For safety: F/S, B-F/S, ID (About 4 billion ways of pair identifications) Transmitter T3GR-2.4G: (2 stick system, 3 channels) - Transmitting frequency: 2.4GHz band - Power requirement: (NiCd battery) NT8F700B(9.
Optional Parts The following parts are available as 3GR-2.4G system options. Purchase them to match your application. For other optional parts, refer to our catalog. Transmitter NiCd Battery When purchasing a transmitter NiCd battery as a spare, etc., use the following: Part name NT8F700B Reference (9.
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. (Item Check) Transmitter Battery Dead battery -> Change the batteries. Charge the NiCd Batteries inserted incorrectly.
Error Displays Low Battery Alarm If the transmitter battery voltage drops to 8.5V or less, an audible alarm will sound and "LOW BT" will be displayed on the LCD screen. LCD screen: Warning When a low battery alarm is generated, cease operation immediately and retrieve the model. Audible alarm: Continuous tone. If the battery goes dead while in operation, you will lose control.
When requesting repair Before requesting repair, read this instruction again and recheck your system. Should the problems continue, request as follows. (Information needed for repair) Describe the problem in as much detail as possible and send the letter along with the system in question.
