RadioMaster GX12 Crush Remote Controller User Manual

1. Вступ

The RadioMaster GX12 Crush Edition is a high-performance dual-band remote controller designed for demanding pilots. It combines the proven capabilities of the GX12 with a vibrant new aesthetic. Available in six distinct colors—Iron Grey, Frost White, Mint Mist, Hot Pink, Iceberg Blue, and Lemon Twist Yellow—the GX12 Crush allows for personal expression while maintaining top-tier functionality.

Built on the innovative Gemini-XROSSBAND ExpressLRS platform, this controller offers simultaneous dual-band transmission on 2.4GHz and 900MHz, ensuring exceptional signal reliability. It features precision-engineered CNC aluminum 1000Hz GX01 gimbals, integrated folding dual-band antennas, modular switch panels for customization, and convenient USB-C connectivity for charging and data transfer.

2. Вміст упаковки

Upon unboxing your RadioMaster GX12 Crush, please verify that all the following items are included:

• 1 * GX12 Crush Radio Controller
• 1 * фірмовий футляр для перенесення
• 1 * лоток для акумуляторів 18650
• 2 * Запасні панелі перемикачів
• 1 * Кабель Type-C
• 1 * Захисний чохол для екрана
• 1 * шестигранний ключ 1.5 мм
• 4 * пружини карданного підвісу високого натягу
• 6 * Switch Delete Plugs
• 1 * 2-позиційний перемикач
• 1 * Миттєвий перемикач
• 1 * RadioMaster Sticker Set
• 1 * GX12 Manual (this document)

3. Ключові характеристики

• Available In Six Bold Colors: Iron Grey, Frost White, Mint Mist, Hot Pink, Iceberg Blue, Lemon Twist Yellow.
• Dual-Band Dual 1W Gemini Xrossband ExpressLRS Transmitters: Unmatched range and reliability with ExpressLRS Gemini Xrossband (Gem-X) dual-band transmission.
• Integrated Folding Dual-Band Antennas: Sleek, foldable antennas for easy transport, compatible with 2.4GHz and Sub-G 900MHz frequencies.



• GX01 Gimbals - Fully CNC Aluminum 3D Digital Hall Sensor Gimbals: Precision-engineered aluminum gimbals with 3D Hall sensors for superior control and durability.
• 1000Hz Digital Gimbals with EdgeTX Sync: Exceptional precision and responsiveness with high-frequency digital gimbals featuring EdgeTX sync.
• Folding Gimbal Sticks: Gimbal sticks fold for convenient storage and transport.
• Removable Switch Panels: Customize your setup with modular switch panels for easy switch changes.
• DIY SMA Ports: Flexibility in antenna installation with SMA port integration.
• OLED-дисплей: Crisp and clear 128*64 Monochrome OLED display with high contrast.
• Внутрішня пам'ять: 512MB of integrated high-speed flash storage, eliminating the need for TF cards.
• Підключення USB-C: A single USB-C port manages smart balance charging, SIM connectivity, firmware updates, and direct access to integrated flash memory.
• Integration of programmable 6-Position Switch: Individually programmable 6-position switches offer versatile control options.



• Programmable RGB Indicators on 6-Position and SA/SD Switches: Customizable RGB lights provide visual feedback on switch status.



• Powerful Efficient Cooling System: Advanced cooling system to manage heat from dual 1-watt transmitters.
• PCB Nano coating: Hydrophobic PCB coating and thicker plastics for durability in various environmental conditions (hot, cold, dry, humid).

4. Технічні характеристики

5. Посібник із налаштування

5.1 Встановлення батареї

1. Відкрийте кришку відсіку для батарейок на задній панелі контролера.
2. Insert two 3.7V 18650 Lithium-Ion cells or a 7.4V 2-cell Lithium-Polymer battery into the provided 18650 Battery Tray. Ensure correct polarity.
3. Place the battery tray into the compartment and close the cover securely.

5.2 Початкове ввімкнення

1. Ensure antennas are unfolded and positioned correctly.
2. Press and hold the power button until the OLED display illuminates.
3. Follow any on-screen prompts for initial setup, such as language selection or calibration.

5.3 Gimbal Stick Adjustment

The GX12 Crush features M3 gimbal sticks. Use the included 1.5mm Hex Wrench to adjust the tension of the gimbals to your preference. Refer to the EdgeTX documentation for detailed calibration procedures.

5.4 Switch Panel Customization

The modular switch panels allow for easy replacement of switches. Use the provided 2-position and momentary switches, or the switch delete plugs, to configure your controller layout. Carefully remove the existing switch panels and install your desired configuration.

5.5 оновлень мікропрограми

Connect the GX12 Crush to your computer using the supplied USB-C cable. Use the EdgeTX Companion PC software to check for and install the latest firmware updates for both the radio (EdgeTX) and the internal RF module (ELRS). Regular updates ensure optimal performance and access to new features.

6. Інструкція з експлуатації

6.1 Основні елементи керування

• Підвіси: Control primary flight surfaces (e.g., aileron, elevator, rudder, throttle). The CNC aluminum 3D Digital Hall Sensor Gimbals provide precise input.
• Перемикачі: Utilize the various 2-position, 3-position, and momentary switches for auxiliary functions (e.g., flight modes, arming, gear). The programmable 6-position switch offers advanced control options.
• Оздоблення: Adjust the neutral position of your control surfaces using the trim buttons located near the gimbals.

6.2 EdgeTX Interface

The GX12 Crush runs on EdgeTX firmware. Navigate the 128*64 Monochrome OLED display using the scroll wheel and menu buttons. Refer to the official EdgeTX documentation for comprehensive instructions on model setup, mixing, and advanced configurations.

6.3 Позиціонування антени

For optimal signal strength and range, ensure the integrated folding dual-band antennas are fully extended and positioned at a 90-degree angle to each other, or as recommended by your specific aircraft's receiver setup.

6.4 Зарядка

Connect the USB-C cable to the controller and a suitable USB power source (e.g., computer, USB wall adapter). The controller supports 2S Smart Balance Charging. The OLED display will indicate charging status.

7. Технічне обслуговування

7.1 Очищення

Протріть контролер м’якою сухою тканиною. Для стійкого бруду злегкаamp cloth can be used. Avoid using harsh chemicals or abrasive cleaners. The PCB Nano coating provides enhanced protection against moisture, but direct exposure to liquids should still be avoided.

7.2 Догляд за акумулятором

• Always use the built-in 2S Smart Balance Charging feature via the USB-C port.
• Do not overcharge or completely discharge your batteries.
• Зберігайте батареї в прохолодному сухому місці подалі від прямих сонячних променів і екстремальних температур.
• If storing for extended periods, charge batteries to approximately 3.8V per cell (storage voltagд).

7.3 Зберігання

When not in use, store the GX12 Crush in its Signature Carry Case to protect it from dust, impacts, and environmental elements. Fold the antennas and gimbal sticks before storage to prevent damage.

8. Вирішення проблем

8.1 Controller Does Not Power On

• Check battery charge level. Connect to USB-C charger and observe charging indicator.
• Ensure batteries are correctly installed in the 18650 tray with correct polarity.
• Переконайтеся, що кнопка живлення натиснута та утримується достатньо сильно.

8.2 No Signal / Poor Range

• Ensure antennas are fully extended and correctly oriented.
• Verify the internal RF module (ELRS) firmware is up to date and matches the receiver's firmware.
• Перевірте наявність перешкод між передавачем і приймачем.
• Ensure the receiver is properly bound to the transmitter.

8.3 Gimbal Inaccuracy / Sticking

• Perform a gimbal calibration through the EdgeTX menu.
• Check for any physical debris or obstruction around the gimbals.
• Adjust gimbal tension using the 1.5mm hex wrench if sticks feel too loose or too tight.

8.4 USB-C Connectivity Issues

• Ensure you are using the provided USB-C cable or a high-quality data-capable USB-C cable.
• Спробуйте інший порт USB на комп’ютері.
• Restart both the controller and your computer.
• Ensure EdgeTX Companion software is installed and up to date.

9. Поради користувача

• Customize Your Controls: Візьміть повний авансtage of the modular switch panels and programmable 6-position switch to tailor the controller's layout and functions precisely to your flying style and aircraft needs.
• Будьте в курсі: Regularly check for and install the latest EdgeTX and ELRS firmware updates via the USB-C port and EdgeTX Companion software. This ensures you have the most stable performance and access to new features.
• Optimize Portability: Utilize the folding dual-band antennas and folding gimbal sticks for compact storage and safe transport in the Signature Carry Case, protecting your investment.
• Leverage USB-C: The single USB-C port is highly versatile. Use it not only for charging but also for direct access to the 512MB internal flash memory for model backups or custom sound packs.
• Охолодження монітора: While the GX12 Crush has an efficient cooling system, be mindful of operating in extremely hot conditions, especially during prolonged use with dual 1-watt transmitters.

10. Гарантія та підтримка

The RadioMaster GX12 Crush Remote Controller is covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the official RadioMaster website or your point of purchase for specific warranty terms and conditions.

For technical support, troubleshooting assistance, or to report any issues, please contact RadioMaster customer service through their official support channels. You may also find valuable resources, FAQs, and community forums on the RadioMaster webсайт.