RadioMaster TX16S MKII V4.0 16CH 2.4G Hall Gimbals Radio Transmitter User Manual

Introduction

This manual provides comprehensive instructions for the setup, operation, and maintenance of your RadioMaster TX16S MKII V4.0 16-channel 2.4G Hall Gimbals Radio Transmitter. Designed for enthusiasts and professionals in the RC drone and aircraft community, this transmitter supports both EdgeTX and OpenTX firmware, offering unparalleled customization and control. Please read this manual thoroughly before operating the device to ensure safe and optimal performance.

Safety Information

Always operate your radio transmitter responsibly. Failure to follow safety guidelines can result in injury or damage to property. Keep the device away from water, extreme temperatures, and direct sunlight. Ensure all connections are secure before operation. Do not attempt to modify the internal components of the transmitter.

• Always power on the transmitter before powering on the receiver in your model.
• Always power off the receiver in your model before powering off the transmitter.
• Ensure proper battery installation and charging. Batteries are not included with this product.
• Operate in open areas, away from people, animals, and obstacles.
• Regularly inspect the transmitter for any signs of damage.

Package Contents

Verify that all items listed below are included in your package:

• TX16S Mark II Radio Controller
• 18650 Battery Tray (Batteries not included)
• USB-C Cable
• Screen Protector
• Flat Grips
• Raised Grips
• TX16S Key Chain

Figure 1: RadioMaster TX16S MKII V4.0 and its included accessories, such as the USB-C cable, screen protector, and interchangeable grips.

Product Overview and Setup

Familiarize yourself with the layout and functions of your TX16S MKII V4.0 transmitter.

Transmitter Layout

Figure 2: Detailed diagram illustrating the various switches, buttons, gimbals, and ports on the TX16S MKII V4.0 transmitter.

• Antenna: For signal transmission.
• Hall Gimbals: Precision control sticks (Left and Right).
• Switches (SA, SB, SC, SD, SE, SF, SH): Programmable 2-position, 3-position, and momentary switches.
• Sliders (LS, RS): Linear potentiometers for fine control.
• S1, S2 Dials: Rotary potentiometers.
• 4.3" Color Screen: IPS display for settings and telemetry.
• SYS Button: Accesses system settings.
• MDL Button: Accesses model settings.
• Menu Wheel: For navigation and selection.
• Power Button: For turning the unit on/off.
• USB-C Port: For charging, data transfer, and simulator use.
• TRS 3.5mm Trainer Socket: For trainer mode connectivity.
• SD Card Slot: For firmware, models, and image storage.
• External Module Bay: Supports external RF modules (e.g., Crossfire).
• 3.5mm Audio Jack: For headphone audio.

Initial Setup

1. Battery Installation: Open the redesigned easily-removable battery cover on the back. Insert two 18650 Li-ion batteries into the provided tray, ensuring correct polarity. Close the cover securely.
2. Charging: Connect the included USB-C cable to the transmitter's USB-C port and a suitable USB power source. The charging indicator will show the charging status.
3. Power On: Press and hold the Power button until the screen illuminates.
4. SD Card: Ensure an SD card is inserted into the SD card slot. This is crucial for firmware, model memory, and other functions.

Gimbal Adjustment

The V4.0 Hall Gimbals are adjustable without disassembly. You can fine-tune stick travel and tension to your preference.

Figure 3: Close-up view of the gimbal showing adjustment screws for stick travel, horizontal axis tension, vertical axis tension, and gimbal mode setting (self-centering).

• Stick Travel Limiter: Turn clockwise to decrease travel, counter-clockwise to increase.
• Horizontal Axis Tension: Turn clockwise to increase tension, counter-clockwise to decrease.
• Vertical Axis Tension: Turn clockwise to increase tension, counter-clockwise to decrease.
• Gimbal Mode Setting: Turn clockwise to disable self-centering (Throttle), counter-clockwise to enable self-centering (Elevator).

Interchangeable Grips

The TX16S MKII V4.0 comes with both raised and flat grips for improved ergonomics. You can easily swap them to find your preferred feel.

Figure 4: The transmitter with its back panel removed, showing the attachment points for the interchangeable raised and flat grips.

Operating Instructions

Navigation and Menus

The TX16S MKII V4.0 features a 4.3-inch IPS color display and a menu wheel for intuitive navigation. The SYS button accesses global radio settings, while the MDL button is for model-specific configurations.

Figure 5: Angled view highlighting the main display and navigation controls.

Firmware and Software

The TX16S MKII V4.0 supports both EdgeTX and OpenTX firmware. Firmware updates and model programming can be managed via the SD card or by connecting to a PC using the EdgeTX Companion software.

The video above provides a quick look at the features and capabilities of the TX16S Mark II, including its support for various protocols and customizable options.

Telemetry and Trainer Mode

The transmitter allows for extensive telemetry display, showing real-time data from your model. You can customize multiple telemetry screens with various widgets. The trainer function enables connection to another transmitter for training purposes, allowing a beginner to learn while a more experienced pilot maintains control.

Maintenance

• Cleaning: Use a soft, dry cloth to clean the transmitter's exterior. Avoid abrasive cleaners or solvents.
• Storage: Store the transmitter in a cool, dry place, away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
• Battery Care: Always use recommended 18650 Li-ion batteries. Do not overcharge or over-discharge batteries.

Troubleshooting

If you encounter issues with your RadioMaster TX16S MKII V4.0, refer to the following common problems and solutions:

For more detailed troubleshooting or advanced issues, please visit the official RadioMaster support website or community forums.

Specifications

Warranty and Support

For warranty information and technical support, please refer to the official RADIOMASTER website or contact their customer service. Keep your purchase receipt as proof of purchase.