FUTABA 4PX User Manual

2
Thank you for purchasing a Futaba 4PX-2.4GHz system.
Before using your 4PX-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.
IN NORTH AMERICA
Please feel free to contact the Futaba Service Center for assistance in operation, use and
programming. Please be sure to regularly visit the 4PX Frequently Asked Questions web
site at www.futaba-rc.com/faq/. This page includes extensive programming, use, set up and
safety information on the 4PX radio system and is updated regularly. Any technical updates
and US manual corrections will be available on this web page. If you do not nd the an-
swers to your questions there, please see the end of our F.A.Q. area for information on con-
tacting us via email for the most rapid and convenient response.
Don’t have Internet access? Internet access is available at no charge at most public libraries,
schools, and other public resources. We nd internet support to be a fabulous reference for
many modelers as items can be printed and saved for future reference, and can be accessed
at any hour of the day, night, weekend or holiday. If you do not wish to access the internet
for information, however, don’t worry. Our support teams are available Monday through
Friday 8-5 Central time to assist you.
OUTSIDE NORTH AMERICA
Please contact your Futaba importer in your region of the world to assist you with any ques-
tions, 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. Products purchased elsewhere may vary. Al-
ways contact your region’s support center for assistance.
FOR SERVICE ONLY:
Futaba Service Center
3002 N. Apollo Drive, Suite 1
Champaign, IL 61822
Phone: 217-398-0007
www.futaba-rc.com/service.html
Email: futabaservice@hobbico.com
FOR SUPPORT :
(PROGRAMMING AND USER QUESTIONS)
Please start here for answers to most questions:
www.futaba-rc.com/faq/
Fax: 217-398-7721
Phone: 217-398-8970 option 2
E-mail: support@futaba-rc.com

FUTABA 4PX Specifications

General

Channels	4
Frequency	2.4GHz
Telemetry	Yes
Model Memory	40
System	T-FHSS, S-FHSS, FASST-C2
Display	3.5 inch color TFT
Power Supply	6.6V LiFe battery

Summary

For Your Safety As Well As That Of Others

2.4GHz System Precautions

Safety precautions related to the 2.4GHz radio control system and potential interference.

Digital Servo Type Precautions

Precautions when using digital servos with the transmitter, including compatibility and settings.

Operation Precautions

Battery Handling Precautions

Storage and Disposal Precautions

Power & Display Switch

Power Off Forgotten Alarm & Auto Power Off

Low Battery Alarm

Mechanical ATL Adjustment

Changing Wheel Position And Modifying For Left-hand Use

Installing the accessory APA steering wheel offset adapter

Modifying for left-hand use

Receiver Installation

Receiver And Servo Connections

Installation Safety Precautions

Servo Installation

Servo Throw

Initial Set-Up

RF Output & Rx Type Check

Verifies the transmitter's RF output and receiver type setting for correct system operation.

Receiver Type Change & How To Link

Servo Type Check

Receiver Setting / Servo Type

Ch. Reverse

Sub trim

End Point Adjuster

Steering end point adjustment

Throttle end point adjustment

3rd & 4th channel servo end point adjustment

Acceleration (Throttle Acceleration)

Throttle acceleration adjustment

Fail Safe/Battery Fail Safe Function

Battery fail safe function ON/OFF & BATT-F/S voltage set ting

Steering curve (EXP)

Throttle curve

Steering Speed

Steering Speed adjustment

Throttle Speed

Trigger

Neutral Brake

Applies brakes at the throttle trigger neutral position, functioning as an ON/OFF switch for brake application.

Trigger switch setting method

Selecting the trigger ratio

Sets the forward and brake side operation ratio for the throttle servo based on neutral position.

Neutral Brake function adjustment

Idle-Up "IDLUP"

Start Function

Engine Cut

Engine Cut function adjustment

A.B.S. Function

A.B.S. function adjustment

Mixing Menu

Program, mixing

Steering mixing

Controls left and right steering servos independently for smooth cornering and Ackerman adjustments.

Brake mixing

Adjusts front and rear brakes independently, useful for 1/5 scale cars or independent braking systems.

Gyro mixing

Adjusts the sensitivity of Futaba car rate gyros for enhanced stability and control.

4WS mixing

Enables 4-wheel steering control for specialized vehicles like crawlers.

Dual ESC mixing

Controls front and rear motor controllers independently for 4WD vehicles.

CPS mixing

Tilt mixing

Brake Mixing

Brake mixing adjustment

Steering Mixing

Steering mixing adjustment

4WS Mixing

Gyro Mixing

Dual ESC Mixing

Program, Mixing (1, 2, 3, 4, 5 )

Lap timer function

Lap navigate timer function

Using the Lap timer

Using the navigate timer

Data Reset

MC Link Function (ESC Link)

Using the ESC Link function

Low Bat Protection

Current Limiter

Brake max. Duty

Reverse max. duty

Neutral brake

Turbo mode

S.Bus Servo

Using the S.Bus servo function

Telemetry :Receiver Battery

Telemetry :The Drive Battery

Telemetry :RPM

Telemetry :Temperature

Condition Function

Response Adjustment

Battery Type Setting

Calibration

Steering Dual Rate/ Throttle ATL "D/R ATL"

Auxiliary Channel "CH3","CH4"

Warning Displays

System Error

Backup Error

RF Error