RadioMaster TX12 MKII
RadioMaster TX12 MKII 2.4GHz 16 Channel ELRS/OpenTX/EdgeTX Radio Controller User Manual
Model: TX12 MKII (HP157-0006-M2) | Brand: RadioMaster
1. Танилцуулга
The RadioMaster TX12 MKII is a compact and versatile 2.4GHz 16-channel radio controller designed for various RC applications, including drones. It comes pre-installed with the EdgeTX operating system and supports ExpressLRS (ELRS) and CC2500 RF chips, offering broad compatibility and advanced features. This manual provides essential information for setting up, operating, and maintaining your TX12 MKII radio controller.

Зураг 1: Урд view of the RadioMaster TX12 MKII Radio Controller.
2. Тохиргоо
2.1 Хайрцагнаас задлах, анхны үзлэг
Upon receiving your TX12 MKII, carefully unbox all components and inspect for any damage. The package typically includes the TX12 MKII Radio Controller, an antenna, a USB-C cable, a quick start guide, and a sticker. Battery cells are sold separately.

Figure 2: Contents of the RadioMaster TX12 MKII package.
2.2 Зайг суурилуулах, цэнэглэх
The TX12 MKII requires dual 18650 or 21700 Li-ion cells, or a 2S Lipo battery (up to 74x60x22mm), which are not included. Install the batteries into the designated compartment. The radio supports QC3 USB-C charging. Connect the provided USB-C cable to the USB-C port on the back of the controller and to a compatible power source to charge the batteries.

Figure 3: Battery compartment for dual 18650 or 21700 Li-ion cells, or 2S Lipo.
2.3 Антен суурилуулах
Ensure the antenna is securely attached to the top of the radio controller before powering on. This is crucial for proper signal transmission and reception.
2.4 Firmware and Software
The TX12 MKII comes with EdgeTX operating system pre-installed. Firmware upgrades can be performed via USB/SD card using EdgeTX Buddy online or EdgeTX Companion PC software. Regular updates are recommended to ensure optimal performance and access to new features.
3. Ашиглалтын заавар
3.1 Асаах/унтраах
To power on the controller, press and hold the power button until the screen illuminates. To power off, press and hold the power button again until the shutdown sequence completes.
3.2 Basic Controls and Ergonomics
The TX12 MKII features high-precision hall gimbals for smooth and accurate control. The rear case has comfortable grips, and the S1/S2 slider grips have been improved for better tactile feedback. The controller also includes a standard JR module bay for external modules.

Figure 4: Precision hall-effect gimbals, adjustable without disassembly (Min. 38°, Max. 54°).
3.3 Дэлгэц ба навигаци
The 128x64 monochrome LCD display provides clear information. Use the navigation buttons (SYS, RTN, PAGE>, PAGE<, TELE) to move through menus and adjust settings within the EdgeTX operating system.
3.4 Binding and Pairing (ELRS Protocol)
The TX12 MKII supports ExpressLRS (ELRS) and CC2500 RF chips. For ELRS binding, ensure your drone has a compatible ELRS receiver. The power-on pairing method is typically used: power on the drone three consecutive times. Observe the receiver light; it should flash twice continuously, indicating it's in pairing mode. Then, on the remote control, switch to ELRS 2.4G protocol (if not already) and initiate the binding process. The remote control may vibrate, and the receiver light will steady upon successful pairing.
Video 1: Tutorial on how to pair an ELRS drone with a compatible remote control. This demonstrates the power-on pairing method and visual cues for successful binding.
3.5 Simulator Use
The TX12 MKII can be connected to a computer via its USB-C port for use with flight simulators. This allows for practice and skill development without risking actual models. Ensure the simulator software is configured to recognize the controller as a joystick.

Figure 5: USB-C Data Port for simulator connection and charging, alongside the TRS 3.5mm Trainer Socket.
4. Засвар үйлчилгээ
4.1 Батерейны арчилгаа
Always use compatible batteries and follow manufacturer guidelines for charging and storage. Avoid overcharging or fully discharging Li-ion/Lipo batteries to prolong their lifespan. Store batteries in a cool, dry place away from direct sunlight.
4.2 Цэвэрлэгээ ба хадгалах
Clean the controller regularly with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. When not in use, store the controller in a protective case to prevent dust accumulation and physical damage. Ensure the antenna is folded or removed if applicable for compact storage.
5. Алдаа засах
5.1 Нийтлэг асуудлууд
- Эрчим хүчгүй: Батерейны суурилуулалт болон цэнэгийн түвшинг шалгана уу. Батерейг зөв оруулж, бүрэн цэнэглэсэн эсэхийг шалгана уу.
- Холболтын алдаа: Verify that both the controller and receiver are set to the correct protocol (e.g., ELRS). Ensure the receiver is in pairing mode (often indicated by a specific light pattern after multiple power cycles).
- Хариуцахгүй хяналтууд: Calibrate gimbals and switches through the EdgeTX menu. For simulator use, ensure USB drivers are updated and the simulator recognizes the controller.
- Short Range/Signal Loss: Ensure the antenna is securely attached and not obstructed. Check for local interference. Update firmware on both the radio and receiver.
5.2 Програм хангамжийн шинэчлэлтүүд
Many issues can be resolved by ensuring your TX12 MKII is running the latest firmware. Refer to the official RadioMaster website or EdgeTX documentation for detailed instructions on updating your radio via USB/SD card using EdgeTX Buddy or EdgeTX Companion software.
6. Техникийн үзүүлэлтүүд
| Зүйл | TX12 Mark II Radio |
| Хэмжээ | 170*159*108мм |
| Жин | 363 гр (0.8 фунт) |
| Давтамж | 2.400GHZ-2.480GHZ байна |
| RF чип | ExpressLRS (ELRS) / CC2500 |
| Ажиллаж буй гүйдэл | 320mA@8.4V (ELRS) / 180mA@8.4V (CC2500) |
| Ботьtage Хамрах хүрээ | 6.6-8.4V DC |
| Радио програм хангамж | EdgeTX (Transmitter) / ExpressLRS (RF module) / MPM (RF module) |
| Сувгууд | Up to 16 (depending on the receiver) |
| Дэлгэц | 128*64 Monochrome LCD дэлгэц |
| Гимбал | High precision hall gimbals |
| Гадаад модуль | JR/FrSKY/Crossfire нийцтэй |
| Шинэчлэх арга | USB/SD card & EdgeTX Buddy online or EdgeTX Companion PC software |
| USB цэнэглэх | QC3 USB-C |
| SD карт | Оруулсан |
| Бүтээгдэхүүний хэмжээс | 7 x 7 x 4 инч |
| Загварын дугаар | HP157-0006-M2 |
| Үйлдвэрлэгч | RadioMaster |
7. Баталгаат хугацаа ба дэмжлэг
For warranty information, technical support, or service inquiries, please contact RadioMaster directly or refer to their official website. Additional protection plans may be available from your retailer.
Нэмэлт тусламж авахыг хүсвэл зочилно уу RotorLogic Store.
8. Нэмэлт нөөц
8.1 Бүтээгдэхүүн дууссанview Видео
Видео 2: Товчхонview of the RadioMaster TX12 MKII 16CH ELRS EdgeTX Hall Gimbals Radio, highlighting its features and design.
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