Futaba 3PV-2.4G T-FHSS RC System User Manual

Safety Precautions

For your safety and the safety of others, read this manual thoroughly before installing and using the system.

Pre-Use Measures

• Always charge rechargeable batteries before use.
• Check voltage before operation; low voltage can lead to loss of control.
• Unplug chargers when not in use to prevent accidents, overheating, or short circuits.

Usage Precautions

• Always perform a range test before each use. If servos flutter or malfunction, do not use the model until the issue is resolved.
• Never hold the antenna while operating or attach conductive items to it, as this reduces range.
• Never perform the linking procedure with the motor connected or running. Always power cycle the receiver after linking to confirm it's bound to the correct transmitter.
• Use rechargeable batteries (NiCd/NiMH/LiPo/LiFe) or an ESC with sufficient capacity. Never use dry cell batteries.
• Do not use the system in rain, snow, or through puddles. Transmitter, receiver, batteries, ESCs, and most servos are not waterproof. Moisture ingress can cause damage and loss of control. If moisture enters, have it inspected by a service technician.
• Do not operate when visibility is impaired or behind large obstacles.
• Do not operate near spectators, roads, high-voltage lines, or radio masts. Ensure the operating area is suitable and identify all obstacles. Do not operate if there's a risk of people or moving objects crossing the path. Loss of control due to interference, component failure, out-of-sight operation, or low batteries can cause injury or damage.
• Always check the trigger is in neutral before powering on. Always turn on the transmitter first, then the receiver. When powering off, turn off the receiver first, then the transmitter. Failure to follow this sequence can cause damage.
• Make all radio adjustments with the motor off or the electric motor disconnected.
• Check the FailSafe function before starting the model: Power on transmitter and receiver, turn off transmitter, verify FailSafe positions servos (e.g., idle or brakes).
• Remove batteries from the model when not in use. Leaving a receiver on can cause an electric-powered model to suddenly accelerate.
• Avoid touching hot components like motors, ESCs, or heat-generating parts.
• Beginners should receive safety and handling instructions from an experienced driver.
• Use only genuine Futaba parts (receivers, servos, etc.). Futaba is not responsible for damage caused by non-original parts.

Battery Types

• General: NiCd, NiMH, LiPo/LiIon, LiFe. LiPo/LiFe are replacing NiCd due to environmental concerns (cadmium) and high energy density/tolerance.
• NiCd/NiMH: NiMH is similar to NiCd but should not be stored fully discharged (below 1V/cell). NiMH has higher self-discharge. Always charge before use; poorly maintained batteries are a common cause of failure. Slow charging (C/10) is recommended. Fast chargers use peak detection. Never leave a charger unattended. Stop charging if the battery exceeds 45°C. Fast charging reduces usable time and can trigger the transmitter's low battery alarm late. NiCd electrolyte is alkaline and can cause blindness; flush with water and seek medical attention if it contacts eyes. It can cause burns on skin; flush with water. NiCd batteries require periodic full discharge (every 1-2 months) to minimize the memory effect.
• LiIon: Charged via CC-CV. Do not use NiCd/NiMH chargers. Sensitive to overcharging; use only the supplied charger. Minimal self-discharge. Do not discharge completely; cell voltage should not drop below 2.8V (nominal 3.6-3.7V). Never needs "conditioning".
• LiPo: Similar to LiIon electrically but uses a gel electrolyte, allowing for various shapes and lighter weight. Sensitive to mechanical impact and high heat; damage to the casing can cause fire. Never charge LiPo batteries unattended. Remove from model/system and place on a fire-safe surface for charging. Store at half capacity for long periods; use the "storage" mode on chargers. Do not charge above 1C.
• LiFe: Charged via CC-CV (nominal 3.3V/cell). Less sensitive to full discharge and nearly non-flammable. Higher cycle life and current handling than LiPo, but slightly heavier.
• All Battery Types: Never dispose of batteries in open fire. Do not disassemble or attempt to repair. Dispose of used batteries at designated collection points. Store used batteries with protected contacts to prevent short circuits.

Battery Return

Return used batteries to retailers or environmental stations due to environmental hazards.

Before Use

Included Parts

• Transmitter: T3PV-2.4G (x1)
• System: T-FHSS/S-FHSS/FHSS
• Receiver: R203GF or R304SB or R314SB (x1)
• System: S-FHSS/FHSS (R203GF), T-FHSS (R304SB/R314SB)
• Other: Small screwdriver

[Note]: Futaba's T-FHSS/S-FHSS/FHSS systems, including the T3PV-2.4G transmitter, are not compatible with Futaba's FASST system.

Receiver Descriptions

• R203GF: 3-channel S-FHSS/FHSS system with auto-detection. Does not support 4WS/BRK mixing or telemetry.
• R314SB (R304SB): 4-channel T-FHSS system. Supports telemetry. Receiver voltage is displayed on the transmitter.

Telemetry System

Receivers R314SB/R304SB (T-FHSS) support telemetry. R203GF (S-FHSS/FHSS) does not.

• Telemetry factory setting: Start window displays receiver voltage.
• SBS-01V (Voltage sensor, optional) can be connected to the S.BUS2 port. Connect the drive battery to the SBS-01V's EXT cable.

[Note]: When the SBS-01V sensor is connected, the receiver battery voltage is not displayed. The SBS-01V sensor's start slot is factory set to "6". No other sensor types can be connected to the T3PV.

Transmitter Description (T3PV-2.4G)

• Buttons: Used for changing settings. Pressing + and - simultaneously resets to factory settings.
• Power Switch: Press for one second to turn ON/OFF.
• LCD Window: Displays model name for 2 seconds upon power-on, then the start window showing model number and transmitter battery voltage.
• Select Buttons: Used to select desired setting windows.
• LED: Solid green = ON. Blinking = Low battery.
• Steering Trim (DT1): Fine-tunes steering for straight-line running.
• Throttle Trim (DT2): Fine-tunes throttle for neutral position (model stationary).
• Channel 3 Switch: Moves the CH3 servo left or right.
• Antenna (Internal): Located inside the transmitter.
• Steering D/R (D/R): Adjusts steering sensitivity across the entire range.
• Steering Wheel: Rotate clockwise or counter-clockwise.
• Trigger: Controls forward/backward speed.
• Battery Compartment: Located at the rear.

[Note]: Never cover the transmitter antenna with your hand or conductive materials during operation, as this can reduce range.

Transmitter Battery Replacement

• Ensure correct polarity when inserting batteries; incorrect polarity can damage the transmitter. Remove batteries if the transmitter will not be used for an extended period. Clean the battery compartment if batteries have leaked.
• Battery Compartment Cover: Remove by sliding in the direction of the arrow.
• Batteries: Use 4x AA batteries. Ensure correct polarity.
• Low Battery Alarm: An alarm sounds if transmitter battery voltage drops below 4.2V. The LED blinks. [Note]: The alarm is a safety feature. Do not use the transmitter below 4.5V. Turn off the transmitter as soon as the alarm sounds to avoid losing contact with the model.
• Check Voltage: Turn on the transmitter and check the battery voltage on the display. If low, check battery installation and contact.

Using NiMH or LiFe Battery Packs

• If using a rechargeable battery pack, set the battery type under the LBA function. Remove the battery if the transmitter will not be used for an extended period.
• NiMH Battery Pack (e.g., HT5F1800B): Use the transmitter's charging port. Remove the dry battery box, disconnect the wire, connect the new battery pack's wire, and place the battery in the transmitter's compartment.
• LiFe Battery Pack (e.g., FT2F1700BV2/FT2F2100BV2): Remove the battery from the transmitter for charging. Use the designated charger according to the battery's manual. For long-term storage, a half-charged state is recommended. Charge periodically every quarter.

[Note]: Never attempt to charge dry cell batteries; this can damage the transmitter and cause leaks. Ensure correct battery polarity. If the transmitter is not used for a long time, remove the batteries. If batteries leak, clean the compartment and contacts. Do not use loose NiCd or NiMH AA batteries. Fast charging can overheat contacts and damage the battery holder. Ensure the battery wire is not pinched when closing the battery cover, as short-circuiting can cause overheating and fire.

Battery Return

Return used batteries to retailers or environmental stations due to environmental hazards.

Button Functions

• Auto Power Off: Transmitter shuts off if the steering wheel or trigger is not operated for 10 minutes.
• Power Switch: Press and hold [Power On/Off].
• Function Menu Navigation: Press [Select button] to enter menu, press [Select button] to choose function, press and hold [Select button] to return to start window. Use [Plus button] or [Minus button] to increase/decrease values. Press + and - simultaneously for 1 second to reset to factory settings.
• Transmitter Start: Displays model name, then start window showing receiver voltage (T-FHSS) or no display (S-FHSS/FHSS).

The transmitter menu allows access to various functions via the [Select button] and [Plus/Minus button] controls.

Installation and Adjustments

Receiver and Servo Connections

Connect the receiver, servos, and other equipment according to the following examples.

Wiring Example with Electronic Speed Controller (ESC)

Shows connections for receiver (e.g., R314SB), ESC, battery, steering servo (CH1), throttle servo (CH2), CH3 servo (CH3), and CH4 servo (CH4).

Wiring Example with Internal Combustion Engine

Shows connections for receiver (e.g., R314SB), battery, switch, throttle servo (CH2), and steering servo (CH1).

Receiver Antenna

Mount the receiver according to the following:

• Mount the antenna as high as possible.
• Keep the antenna as far as possible from the motor, ESC, and other sources of interference.
• Place the antenna inside an antenna tube.
• Do not shorten the antenna.
• Do not bend the coaxial part of the antenna too sharply.

Mounting Instructions

• Ensure all connections to the receiver, servos, and battery are secure. A loose connection can vibrate off and cause loss of control.
• Maneuver servos to full throws in both directions and check that the linkage does not bind or "stall" against mechanical stops. Binding linkage causes excessive force on servo arms, which can lead to breakage and loss of control.
• For electric cars/boats: Vibration-isolate the receiver with thick double-sided tape.
• For cars/boats with internal combustion engines: Vibration-isolate the receiver by wrapping it in foam or similar material. Protect against moisture by placing the receiver in a plastic bag or a waterproof radio box. Receivers contain sensitive electronic parts susceptible to vibration and shock. Exposure to water or moisture can cause the receiver to cease functioning and result in loss of control.
• Keep all parts that can cause radio interference (electric motors, batteries, and high-current wires) at least 12 mm away from the receiver and antenna. Radio interference reduces range and can lead to loss of control.
• Ensure the ESC's heatsink and other live parts do not contact aluminum/carbon fiber chassis or other conductive materials. If the ESC vibrates loose and touches the aluminum chassis, a short circuit can occur, causing irreparable damage and loss of control.
• All electric motors should be fitted with suppression capacitors. Without them, range is reduced, the receiver becomes more sensitive to interference, and control can be lost.
• Check all linkages where metal is close to metal. Ensure that vibrating linkages do not touch other metal parts. Metal-on-metal vibration generates radio interference that negatively affects range and can lead to loss of control.
• Do not disassemble parts of the system not described in this manual. Futaba assumes no responsibility for damage caused by unauthorized service personnel.

Receiver Linking

Each transmitter has a unique ID code. For the receiver to function with a transmitter, it must first be linked to the transmitter. Once linked, the transmitter's ID code is stored in the receiver (T-FHSS: receiver's ID in transmitter). Linking is only necessary if the receiver is to be used with a different transmitter. (When purchasing a system, linking is already done at the factory.)

Linking S-FHSS/FHSS (R203GF)

1. Place transmitter and receiver within approximately 0.5 meters of each other.
2. Turn on the transmitter and receiver.
3. Press and hold the Link button on the receiver.
4. When linking is complete, the receiver's LED changes to a solid green light.

Receiver Status Indication:

Linking T-FHSS (R304SB/R314SB)

1. Place transmitter and receiver within approximately 0.5 meters of each other.
2. Turn on the transmitter.
3. Select [LINK] and bring up the setting window by pressing the "Select" button. Then press and hold the [Plus button] or [Minus button]. The "Link" mode lasts for 20 seconds.
4. Turn on the receiver.
5. During the countdown, press and hold the receiver's "Link" button. The receiver's LED starts blinking red. When the LED changes from blinking red and green to a solid red light, release the "Link" button. When the receiver's LED shows a solid green light, linking is complete. Check that the servos can be operated.

Receiver Status Indication:

[Tip]: Linking must be performed if a new model memory is used for the same receiver.

Transmitter Setup

[Note]: When making the following settings, the electric motor should be disconnected or the internal combustion engine stopped.

Preparations

Select a free model memory and reset it using the Model Selection and Model Reset functions.

• Model Selection: Choose one of 10 models.
• Model Name: Name models with 4 characters for easy identification.
• Model Data Deletion: Move the DT1 lever right or left for 2 seconds to erase all saved data for the selected model memory.

Servo Arm Mounting

1. Connect the receiver, servos, and other equipment, then turn on the transmitter and receiver. All servos will move to their neutral positions.
2. Mount the servo arms as described in the model's user manual.

Reversing Servo Rotation Direction

If servos move in the wrong direction, reverse the direction using the REV function for the respective channel.

• Steering Servo Reversing: NOR (Normal) / REV (Reverse).
• Throttle Servo Reversing: NOR (Normal) / REV (Reverse).

ESC MC231CR / MC331CR Setup

Set neutral position and full throttle/brake throws for ESCs like MC231CR/MC331CR.

• Set steering EPA to 100% and ABS/Acceleration functions to OFF using the transmitter's throttle channel. Incorrect function may occur if ABS/Acceleration are ON or if steering throw is too large.
• If using ABS function, disable the reverse function before activating ABS. Incorrect setup may occur if ABS is active.
• Set the throttle trim to neutral before adjusting other points.
• Setup Steps: Turn on transmitter, receiver, and ESC.
• Neutral Point Setup: Move trigger to neutral. Press button for at least 0.5 seconds (one beep). LED blinks continuously.
• Full Throttle Setup: Move trigger to full throttle. Press button (one beep). LED blinks continuously twice.
• Max Brake Setup: Move trigger to full brake. Press button (one beep). LED turns off when setup is complete.

[Note]: If the LED blinks rapidly, setup failed. Restart from step 2.

Function Descriptions

• MDL (Model Selection/Reset): Selects one of 10 models in memory. Can also delete all model data for the current model.
• MDL NAME (Model Name): Assigns a four-letter name to each memory position for easy identification. Mark each model to avoid mistakes.
• LBA (Low Battery Alarm): Sets the alarm voltage according to the battery type used. [Tip]: The voltage per cell differs between battery types. Set according to the battery type in use for correct alarm function.
• SYS (System Type): Sets the system type to match the receiver (T-FHSS, S-FHSS, FHSS, T-FHSS <High-Speed>). The transmitter must be powered off/on for the new type to take effect.
• Link Mode (T-FHSS only): Required for linking T-FHSS systems. Linking must be performed when using a new model memory, even if the receiver is already linked to another model.
• DT3 Selection: Assigns a function to the DT3 switch: Dual Rate (D/R) or CH3.
• SW1 Selection: Assigns a function to the SW1 switch: CH3 or OFF.
• TRM-CH1 (Steering Trim): Adjusts the steering's neutral position. [Tip]: When installing a servo, check its neutral position. Adjust the servo arm so the linkage is at a 90° angle. If servo horns are used, mount them as close to neutral as possible. Ensure the trim is set to zero.
• TRM-CH2 (Throttle Trim): Adjusts the throttle's neutral position. [Tip]: With an ESC, set throttle trim to neutral and adjust the ESC. For internal combustion engines, set trim to neutral and adjust linkage for idle speed.
• TRM-CH4 (Channel-4 Trim): Adjusts the neutral position for CH4 servo, used with 4WS or Brake mixing.
• SUB Trim (CH1-CH4): Fine-tunes the neutral position for servos on channels 1-4. Subtrim affects the entire servo travel range.
• D/R (Steering Dual Rates): Adjusts steering sensitivity. Linked to the DT3 switch.
• EPA-CH1 (Steering End Point Adjustment): Sets the maximum steering travel independently for left and right. Allows trimming for equal steering throw in both directions. [Note]: Check if the linkage binds or contacts suspension/steering rods. Binding or improper mounting can stress the servo, causing damage.
• EPA-CH2 (Throttle End Point Adjustment): Sets the maximum throttle servo travel independently for forward and brake. [Note]: Check if the linkage binds or applies excessive force to the servo.
• EPA-CH3 (Channel-3 End Point Adjustment): Sets the maximum travel for the CH3 servo independently for both directions. [Note]: Check if the linkage binds or applies excessive force to the servo.
• EPA-CH4 (Channel-4 End Point Adjustment): Sets the maximum travel for the CH4 servo independently for both directions. [Note]: CH4 cannot be used with receiver R203GF. Check if the linkage binds or applies excessive force to the servo.
• SMX (4WS/BRK Mixing): Selects between 4-Wheel Steering (4WS) or Brake mixing (BRK).
• REV-CH1/2/3/4 (Servo Reversing): Reverses the rotation direction of the servo for the selected channel.
• EXP-CH1 (Steering EXP): Adjusts steering sensitivity around the servo's neutral position (exponential). Affects sensitivity near center, not max throw.
• EXP-CH2 (Throttle EXP): Adjusts throttle and brake sensitivity curves (exponential). Affects curves, not max throw.
• F/S (Throttle Fail Safe): Sets the throttle servo to a predetermined position (idle or brake) if the receiver loses signal. [Note]: For internal combustion engines, setting brakes is recommended for fail-safe. S-FHSS has a fixed 3.8V fail-safe; T-FHSS allows adjustable voltage settings.
• ABS: Simulates anti-lock braking by rapidly pulsing the brakes. Pulse frequency can be selected (FST/MID/SLW).
• COPY (Model Data Copy): Copies the content of the current memory slot to another memory slot.

Miscellaneous

Specifications

Specifications and data are subject to change without prior notice.

[Note]: Futaba's T-FHSS/S-FHSS/FHSS systems, including the T3PV-2.4G transmitter, are not compatible with Futaba's FASST system. Futaba's FASST system and T-FHSS/S-FHSS/FHSS systems are not compatible.

Service

Before requesting service, read the manual and re-check the system. If the problem persists, contact service. If the system needs to be sent in for service, note the following:

• Describe the nature of the problem and circumstances as accurately as possible.
• List what is being sent in and what needs to be repaired.
• Include name, address, and phone number.
• For warranty repairs, attach a copy of the receipt/warranty certificate.

General Agent & Contact Information

General Agent: Minicars Distribution AB, Annelundsgatan 17C, 749 40 Enkoping. Consumer Tel: 0171-14 30 00. Internet: www.minicars.se. Email: info@minicars.se

Service: Kajäs RC Service, Högersborgsvägen 2, S-723 55 VÄSTERÅS. Tel: 021-205 15 (evenings).

Other Information: For information on nearby clubs, tracks, etc., contact the Swedish Automobile Sport Federation (Svenska Bilsportförbundet). Address: Bilsportens hus, Bergkällavägen 31A, Sollentuna. Tel: 08-626 33 00. Fax: 08-626 33 22. Website: http://www.radiostyrdbilsport.nu. Some information about clubs can be found on the "Allt om Hobby" magazine website: http://www.alltomhobby.se/