Futaba 4GRS, R304SB receiver with telemetry

Four-channel computer RC set Futaba with joysticks using the telemetric transmission system T-FHSS 2.4GHz for competitive and advanced recreational models of cars and boats. It is intended for those riders and helmsmen who need steering wheel transmitter software for their models, but prefer lever controls. T4GRS can also be switched to transmission modes without S-FHSS or FHSS telemetry and use the full range of T-FHSS, S-FHSS and FHSS receivers for RC cars and boats. With the R304SB T-FHSS receiver included in the kit, you have 4 PWM channels for classic servos and the possibility of telemetry transmission from sensors connected to the S.BUS2 socket.

The T4GRS transmitter in a classic design that fits perfectly in the hand is equipped with joystick controls and throttle, triggers for throttle control, two toggle switches, one rotary knob and four digital trims. A pair of buttons and a multifunction joystick are used for programming; easy orientation in the intuitive menu is ensured by a large backlit LCD display. T4GRS has memory for 40 models and a wide range of advanced software functions for common and special car models - eg independent steering and drive (with 2 controllers) front and rear wheels for crawlers, dual-circuit brakes for large 1: 5 models, gyro for drifting, ABS, traction control, mix for tanks, etc.

To put the transmitter into operation, you will need 4 AA alkaline batteries or NiMH batteries stored in the holder supplied with the transmitter or 4-5-cell NiMH or 2S LiFe battery pack. NiMH batteries can be charged in the transmitter via the charging socket on the side of the transmitter.

T-FHSS transmission system

This transmission system allows the transmission of telemetry data from sensors connected to the S.BUS2 bus socket on the receiver. ATTENTION: The transmitter is not compatible with T-FHSS Air receivers for flying models / p>

T-FHSS / S-FHSS transmission system: Normal / High Speed mode

The "Normal" mode allows the use of any servos or RC devices, as the repetition period of the servo signals is 13.6 ms (repetition frequency 73.5 Hz). "High Speed" mode can only be used by digital servos, including the BLS series and most other devices such as AC speed controllers. The repetition period of the servo signals is 6.8 ms (repetition frequency 147 Hz).

FUNCTION

• Transmission system T-FHSS-2.4GH with telemetry, S-FHSS (without telemetry), FHSS-2.4GHz (without telemetry) for RC cars.
• 4 proportional channels
• Steering lever with adjustable neutralization
• Throttle lever with adjustable neutralization and mechanically adjustable neutral position and range of motion for forward and brake / reverse travel. It can also be adapted to mechanical step locking (as for aircraft).
• 1 three-position switch (assignable)
• 1 two-position torque switch (assignable)
• 1 rotary knob (assignable)
• 4 digital trims (assignable)

Program functions

• Memory for 40 models with the ability to copy, reset and set the model name by 10 characters
• Transmission system selection: T-FHSS, S-FHSS (Normal or High Speed modes), FHSS
• Sets the amount of deviations for all channels
• Reversing the meaning of deviations for all channels
• Subtrimes for all channels
• Exponential course of deviations for control and gas
• Servo speed for steering and throttle
• Double steering deviations
• Jump acceleration
• ABS
• Safe idling
• Throttle / brake control modes
• Traction control
• Driver assignment for channels 3 and 4
• Fail safe failures for all channels
• Setting S.BUS serv
• Remote control of program functions of Futaba speed controllers
• Assignment of trim functions
• Assignment of switch functions
• Mix for control with 2 servos
• Mix for front / rear brakes with 2 servos
• Mix for gyro control
• 4WS mix for independent steering of front and rear axles for crawlers
• Mix for drive system with 2 speed controllers
• CPS mix for controlling LED lights
• Mix for tanks - to control the movement of tracked vehicles
• 2 freely programmable mixes
• 3 timers (stopwatch, timer, lap time with 100 lap memory)
• Telemetry display
• Telemetry sensor settings

Compatible receivers

• Futaba R202GF S-FHSS / FHSS-2.4 GHz (2-channel only)
• Futaba R203GF S-FHSS / FHSS-2.4GHz (3-channel)
• Futaba R204GF-E S-FHSS / FHSS-2.4GHz (4-channel, only for models with electric drive)
• Futaba R2104GF S-FHSS / FHSS-2.4GHz (4-channel, 4.8-6.0 V supply, not for HV servos)
• Futaba R304SB T-FHSS-2.4GHz with telemetry on S.BUS2 (4-channel)
• Futaba R304SB-E T-FHSS-2.4GHz with telemetry on S.BUS2 (4-channel, only for models with electric drive)

RC KIT CONTAINS

• Futaba T4GRS 2.4GHz transmitter
• R304SB receiver
• Switch with cable
• Plastic screwdriver
• Operating Instructions