Introduction
The Futaba 4PM Plus is an advanced 4-channel radio system designed for precision control of radio-controlled cars and trucks. It offers a blend of ergonomic design, intuitive user interface, and high-speed response, making it suitable for both serious racers and hobbyists. This manual provides essential information for setting up, operating, and maintaining your Futaba 4PM Plus transmitter and R304SB receiver.
Package Contents
- T4PM+ Transmitter
- R304SB/E Receiver
- Dry Battery Holder
- Mini Screwdriver
Figure 1: Futaba 4PM Plus Transmitter. This image shows the black Futaba 4PM Plus radio transmitter with its large LCD screen displaying model information, channel settings, and battery voltage. The transmitter features a steering wheel on the right side and a pistol grip handle, resting on its base.
Setup
1. Battery Installation
The T4PM+ Transmitter requires four AA batteries (not included). Use the provided dry battery holder.
- Open the battery compartment cover on the bottom of the transmitter handle.
- Insert four AA batteries into the dry battery holder, ensuring correct polarity (+/-).
- Place the battery holder into the compartment and close the cover securely.
- For optimal performance, use high-quality alkaline or rechargeable NiMH batteries.
2. Receiver Binding (Linking)
To establish communication between the transmitter and receiver, they must be bound.
- Ensure the transmitter is turned off.
- Connect the R304SB/E receiver to a power source (e.g., ESC with BEC or separate receiver battery).
- Press and hold the Link button on the receiver while turning on the receiver's power. The LED on the receiver will begin to flash.
- Turn on the T4PM+ transmitter.
- Navigate to the Link menu on the transmitter's LCD screen.
- Select the binding option. The receiver's LED should turn solid green, indicating a successful link.
- Turn off both the transmitter and receiver, then turn them back on to confirm the link.
Operating Instructions
Basic Controls
- Steering Wheel: Controls the left/right direction of your vehicle.
- Throttle Trigger: Controls forward/reverse movement. Pull for forward, push for reverse/brake.
- LCD Screen: Displays current settings, battery voltage, model memory, and other vital information.
- Navigation Buttons: Used to navigate through menus and adjust settings on the LCD screen.
Advanced Programming Features
The 4PM Plus offers extensive programming capabilities to fine-tune your vehicle's performance. Refer to the on-screen menus for detailed adjustments.
- Model Memory: Store settings for multiple vehicles. The transmitter supports various model memories.
- Dual Rate (D/R): Adjust the maximum steering angle.
- Exponential (EXP): Modify the sensitivity of steering and throttle around the center point.
- End Point Adjustment (EPA/ATL): Set the maximum travel for each servo.
- Sub-Trim: Make fine adjustments to the servo neutral position.
- Reverse: Change the direction of servo movement.
- Fail-Safe (F/S): Program the receiver to move servos to a predetermined position in case of signal loss.
- Brake Fail-Safe (B-F/S): Specific fail-safe for brake function.
- ID: Unique identification for binding.
For detailed instructions on specific programming functions, consult the on-screen help or the comprehensive digital manual available on the Futaba website.
Maintenance
Cleaning
- Wipe the transmitter and receiver with a soft, dry cloth.
- Do not use solvents or abrasive cleaners, as they may damage the plastic or electronic components.
- Keep the LCD screen clean and free of dust.
Storage
- Store the transmitter and receiver in a cool, dry place, away from direct sunlight and extreme temperatures.
- Remove batteries from the transmitter if it will not be used for an extended period to prevent leakage.
- Protect the antenna from bending or damage during storage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Transmitter does not power on. | Dead or incorrectly installed batteries. | Check battery polarity; replace with fresh batteries. |
| No response from vehicle. | Receiver not bound; power issue to receiver/ESC; incorrect servo connections. | Perform binding procedure; check all power connections; verify servo connections. |
| Erratic control or short range. | Interference; damaged antenna; low transmitter/receiver battery. | Operate in an open area away from other 2.4GHz devices; inspect antennas; replace/recharge batteries. |
| Servos move in the wrong direction. | Servo reverse setting is incorrect. | Adjust the servo reverse setting in the transmitter's menu. |
Specifications
| Feature | Specification |
|---|---|
| Transmitter Model | T4PM+ |
| Receiver Model | R304SB/E |
| System | T-FHSS SR/T-FHSS/S-FHSS SYSTEM, Wheel Type, 4 Channels |
| Communication Method | Bidirectional protocol; F/S, B-F/S, ID for safety |
| Maximum Operating Range | 100m (Optimum condition, except MINIT system) |
| Transmitter Weight | 2.06 pounds (approx. 934g) |
| Transmitter Dimensions (L x W x H) | 10.25 x 10.13 x 5.75 inches (approx. 260 x 257 x 146 mm) |
| Transmitter Frequency | 2.4 GHz band |
| Transmission Antenna | 1/2λ di-pole |
| RF Power Output | 100mW EIRP |
| Current Drain | 150 mA or less |
| Receiver Size (L x W x H) | 35.1 mm x 23.2 mm x 12.5 mm |
| Receiver Weight | 7.0 g |
Warranty Information
Futaba products are manufactured with high-quality components and undergo rigorous testing. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Futaba website. Generally, warranty covers manufacturing defects under normal use for a specified period from the date of purchase.
Please retain your proof of purchase for warranty claims.
Support
For technical assistance, spare parts, or further inquiries, please contact Futaba customer support.
- Official Website: www.futabarc.com (Please check the official website for the most current contact information and support resources.)
- Online Resources: FAQs, downloadable manuals, and software updates may be available on the official support page.
When contacting support, please have your product model number (01004416-3) and a detailed description of the issue ready.
