1. Introduction
Thank you for choosing the GoolRC Flysky Noble NB4+ 2.4GHz 8CH Radio Transmitter with FGr4S V2 Receiver. This advanced remote control system is designed for precision control of RC cars, boats, and other models. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the most out of your Noble NB4+ system.
Figure 1.1: GoolRC Flysky Noble NB4+ Radio Transmitter and FGr4S V2 Receiver.
2. Safety Information
Please read and understand all safety precautions before operating the Noble NB4+ system. Failure to follow these instructions may result in injury or damage to the product or property.
- Age Recommendation: This product is recommended for users 16 years and up.
- Battery Safety: Use only specified batteries. Do not short-circuit, disassemble, or expose batteries to extreme temperatures. Dispose of batteries properly.
- Operating Environment: Operate your RC model in open areas, away from people, vehicles, and obstacles. Avoid operating in wet conditions or near water unless your model is specifically designed for it.
- Interference: The 2.4GHz system is designed to minimize interference, but always perform a range check before operating your model.
- Maintenance: Regularly inspect the transmitter and receiver for any damage or loose connections.
3. Product Overview
The GoolRC Flysky Noble NB4+ is a feature-rich radio transmitter designed for high-performance RC applications. It comes paired with the FGr4S V2 receiver, utilizing the advanced AFHDS 3 protocol for reliable communication.
3.1 Key Features
- AFHDS 3 Protocol: 2.4GHz Third Generation AFHDS 3 protocol for stable and responsive control.
- Touch Screen Display: 3.5-inch 320*480 full dot matrix color IPS touch screen for intuitive navigation and control.
- Dual Battery System: Equipped with two batteries, one removable in the handle and a power bank in the base, providing extended operation time.
- USB Type-C Port: Optimized for stable connection, supporting trainer mode, head tracking functionality, and USB simulator function.
- Customizable Channels: Ability to customize channel names for easier understanding of functions in real-time.
- Colorful UI Design: Brand new UI allows for customizable themes and wallpapers.
Figure 3.1: Noble NB4+ Transmitter Components and Controls.
Figure 3.2: FGr4S V2 Receiver Connections.
3.2 Package Contents
Upon opening your GoolRC Flysky Noble NB4+ package, you should find the following items:
- Noble NB4+ Radio Transmitter
- FGr4S V2 Receiver
- USB Type-C Cable
- Additional Handle Grip
- Stickers and Decals
- User Manual (this document)
Figure 3.3: Contents of the Noble NB4+ package.
4. Setup
4.1 Battery Installation and Charging
The Noble NB4+ features a dual battery system for extended use. The main battery is located in the handle, and a power bank is integrated into the base.
- To install or access the handle battery, slide off the battery cover on the back of the handle. Insert the 18650 Lithium Ion battery (included) according to the polarity markings.
- The base power bank can be charged via the USB Type-C port. When the transmitter is docked on the base, the base will charge the handle battery.
- Ensure both batteries are fully charged before first use for optimal performance.
Figure 4.1: Illustration of the Noble NB4+ dual battery system and charging.
4.2 Binding the Receiver (FGr4S V2)
To establish communication between the transmitter and receiver, they must be bound. The FGr4S V2 receiver is designed to work seamlessly with the Noble NB4+.
- Ensure the transmitter is powered off.
- Connect the bind cable to the BIND port on the FGr4S V2 receiver.
- Apply power to the receiver (e.g., connect to an ESC or separate battery). The receiver's LED should flash rapidly, indicating it's in binding mode.
- While holding down the BIND button on the Noble NB4+ transmitter, power on the transmitter.
- The transmitter's screen will display a binding progress or confirmation message. The receiver's LED should turn solid, indicating successful binding.
- Release the BIND button on the transmitter, then power off both the transmitter and receiver.
- Remove the bind cable from the receiver.
- Power on the transmitter first, then the receiver. The receiver's LED should be solid, confirming a successful connection.
Figure 4.2: Compatibility table for Flysky transmitters and receivers. The Noble NB4+ is compatible with FGr4S V2.
5. Operating the Transmitter
5.1 Basic Controls
- Steering Wheel: Controls the left and right direction of your RC model.
- Throttle Trigger: Pull to accelerate forward, push to brake or reverse.
- Power Button: Located on the front of the transmitter, used to turn the unit on/off.
5.2 Touch Screen Navigation
The 3.5-inch IPS touch screen provides an intuitive interface for adjusting settings.
- Tap: Select an option or enter a menu.
- Swipe: Navigate through menus or lists.
- Back Button: Located at the bottom of the screen, returns to the previous menu.
Figure 5.1: The high-brightness outdoor screen ensures visibility in various lighting conditions.
5.3 Advanced Functions
- Trainer Mode: Connect two transmitters for interactive teaching, allowing a student to learn control with a master transmitter.
- Head Tracking: Supports head tracking devices via the dedicated cable, immersing users in the action.
- Customizable Channel Names: Personalize channel labels for clarity and ease of use.
Figure 5.2: The versatile Type-C port supports various advanced functionalities.
Figure 5.3: Customize channel names for intuitive real-time data display.
5.4 Official Product Video
Video 5.1: An official product video demonstrating the GoolRC Flysky Noble NB4+ 8CH RC Transmitter's features and capabilities.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your Noble NB4+ system.
- Cleaning: Use a soft, dry cloth to clean the transmitter and receiver. Avoid using harsh chemicals or solvents.
- Battery Care: Do not overcharge or deep discharge the batteries. If storing for an extended period, charge batteries to approximately 50% capacity.
- Storage: Store the transmitter and receiver in a cool, dry place, away from direct sunlight and extreme temperatures.
- Firmware Updates: Check the official GoolRC or Flysky website periodically for firmware updates to ensure your system has the latest features and bug fixes.
7. Troubleshooting
If you encounter issues with your Noble NB4+ system, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Transmitter does not power on. | Low or dead battery; incorrect battery installation. | Charge batteries; check battery polarity and ensure proper installation. |
| No control over RC model. | Receiver not bound; receiver not powered; interference. | Re-bind receiver (Section 4.2); ensure receiver is powered; perform range check in a clear area. |
| Short control range. | Receiver antenna obstructed or improperly positioned; environmental interference. | Ensure receiver antenna is vertical and unobstructed; avoid operating near large metal objects or strong signal sources. Consider an external antenna receiver if issues persist in challenging environments. |
| Touch screen unresponsive. | Software glitch; screen protector interference. | Restart the transmitter; ensure screen protector is properly applied or remove it for testing. |
8. Specifications
| Feature | Specification |
|---|---|
| Model | Noble NB4+ |
| Brand | GoolRC |
| Protocol | AFHDS 3 |
| Channels | 8CH |
| Display | 3.5-inch 320*480 IPS Color Touch Screen |
| Batteries | 2 Lithium Ion batteries (included) |
| Item Weight | 2.64 pounds |
| Package Dimensions | 10 x 9.17 x 3.82 inches |
| Country of Origin | China |
| Manufacturer Recommended Age | 16 years and up |
9. Warranty and Support
GoolRC products are manufactured to high-quality standards. While specific warranty details are not provided in this manual, please retain your proof of purchase for any warranty claims. For technical support, troubleshooting assistance, or warranty inquiries, please contact GoolRC customer service through their official website or the retailer where the product was purchased.
For the latest information, FAQs, and support resources, please visit the official GoolRC website: GoolRC Store on Amazon