1. Introducció
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Transformers TF-Crystal 85 Keys Mechanical Keyboard. Please read this manual thoroughly before using the product to ensure proper functionality and longevity.

Image 1.1: Transformers TF-Crystal 85 Keys Mechanical Keyboard with its packaging, showcasing the transparent design and RGB lighting.
2. Producte acabatview
2.1 Característiques clau
- Disposició de 85 tecles: Compact 75% design retaining essential functions, arrow, and navigation keys.
- Connectivitat trimodal: Admet connexions Bluetooth 5.0, sense fil de 2.4 GHz i amb cable USB-C.
- PCB intercanviable en calent: Compatible with most 3-pin and 5-pin mechanical switches, allowing for easy customization and replacement.
- Linear Switches: Pre-lubricated switches with a 50 million keystroke lifespan for durability and smooth operation.
- Estructura de la junta: Incorporates high-quality gasket materials and a silicone pad to absorb vibrations and reduce typing noise.
- Retroil·luminació RGB personalitzable: Features 20 built-in backlight modes, 16.8 million color options, and dynamic music rhythm effects.
- Programmable Driver: Enables macro customization, key function remapping, and advanced lighting control.
- Llarga vida útil de la bateria: Equipped with a 4000mAh battery, providing up to 240 hours of continuous use in 2.4GHz mode without backlighting.
- Àmplia compatibilitat: Supports Mac, Windows, iOS, Android, PC, Laptop, Smartphone, Tablet, Switch, Xbox, and PlayStation.
- Disseny transparent: Features transparent keycaps and base for enhanced aesthetic appeal.
3. Configuració
3.1 Càrrega del teclat
Before initial use, fully charge the keyboard. Connect the provided USB-C cable to the keyboard's USB-C port and the other end to a powered USB port (e.g., computer, wall adapter). The charging indicator will show the charging status.
3.2 Connexió mitjançant el mode sense fil de 2.4 GHz
- Locate the 2.4GHz USB receiver, typically stored in a compartment on the keyboard.
- Connecteu el receptor USB a un port USB disponible de l'ordinador.
- Toggle the mode switch on the keyboard to the 2.4G posició.
- The keyboard will automatically connect to your device.
3.3 Connecting via Bluetooth 5.0 Mode
- Toggle the mode switch on the keyboard to the BT posició.
- Mantén premut Fn + 1 (o Fn + 2, Fn + 3) for 3-5 seconds until the indicator light flashes rapidly, indicating pairing mode.
- Al dispositiu (ordinador, tauleta, telèfon intel·ligent), activeu el Bluetooth i cerqueu dispositius nous.
- Select "TF-Crystal 85" from the list of available devices to pair.
- Once paired, the indicator light will stop flashing and remain solid. You can pair up to three Bluetooth devices using Fn + 1, Fn + 2, i Fn + 3.
3.4 Connecting via USB-C Wired Mode
- Connecteu el cable USB-C proporcionat al port USB-C del teclat.
- Connecteu l'altre extrem del cable USB-C a un port USB disponible de l'ordinador.
- The keyboard will automatically switch to wired mode and function without battery power.

Image 3.1: Diagram illustrating the three connection modes: Bluetooth 5.0, 2.4GHz wireless, and USB-C wired, compatible with various devices.
4. Instruccions de funcionament
4.1 Canvi entre modes
Use the physical switch located on the keyboard to select between BT (Bluetooth), 2.4G (2.4GHz wireless), and USB-C (wired) modes.
4.2 Control de retroiluminació RGB
The keyboard features customizable RGB backlighting. Use the following key combinations to adjust:
- Fn + Ins: Cycle through 20 different backlight effects.
- Fn + Supr: Switch backlight colors within certain modes.
- Fn + ↑ / ↓: Ajusta la brillantor de la retroiluminació (5 nivells).
- Fn + ← / →: Adjust backlight effect speed (5 levels).
- Fn + Esc (hold for 3s): Reset backlight settings to default.

Image 4.1: Visual guide for controlling RGB backlight effects, brightness, and speed using Fn key combinations.
4.3 Programmable Driver Usage
The keyboard includes a programmable driver for advanced customization. This driver allows you to:
- Edició de macros: Record and edit complex key sequences.
- Key Redefinition: Customize the function of individual keys.
- RGB Effect Customization: Fine-tune lighting modes, colors, and speeds, including music rhythm lighting effects.
Refer to the software's dedicated user interface for detailed instructions on using these features.

Image 4.2: Screenshot of the programmable driver interface, showing options for macro editing, RGB effects, and key redefinition.
4.4 Interruptors d'intercanvi en calent
The TF-Crystal 85 keyboard features a hot-swappable PCB, allowing you to change mechanical switches without soldering. This supports most 3-pin and 5-pin mechanical switches.
- Apagueu el teclat o desconnecteu-lo del dispositiu.
- Feu servir l'extractor de tecles proporcionat per treure amb cura la tecla desitjada.
- Use the provided switch puller to gently grip the switch from its top and bottom clips, then pull it straight up to remove it.
- Alineeu els pins del nou interruptor amb els forats de la placa de circuit imprès. Assegureu-vos que els pins estiguin rectes.
- Premeu suaument el nou interruptor fins que faci clic. No el forceu.
- Substitueix la tapa de les tecles.

Image 4.3: Illustration of the hot-swappable feature, showing how to remove and insert 3-pin/5-pin switches and the linear switch specifications.
5. Manteniment
5.1 Neteja del teclat
- Desconnecteu el teclat de totes les fonts d'alimentació abans de netejar-lo.
- Utilitzeu un drap suau i sense pelusa lleugerament dampRenteu-les amb aigua o una solució netejadora suau per netejar les tecles i el xassís.
- Per a la pols i les restes entre les tecles, feu servir aire comprimit o un raspall petit.
- Avoid using harsh chemicals or abrasive materials that could damage the keyboard's surface.
5.2 Cura de la bateria
- Eviteu descarregar completament la bateria amb freqüència.
- Guardeu el teclat en un lloc fresc i sec quan no el feu servir durant períodes prolongats.
- If the keyboard will not be used for a long time, charge it to about 50% before storage.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El teclat no respon en mode sense fil. | Low battery, incorrect mode selected, receiver not connected, Bluetooth not paired. | Charge the keyboard. Ensure the mode switch is set correctly (2.4G or BT). Re-insert the 2.4G receiver. Re-pair Bluetooth. |
| Les claus no es registren o s'escriuen dues vegades. | Faulty switch, debris under keycap, software issue. | Clean under the keycap. Try hot-swapping the switch with a known working one. Restart your computer. |
| RGB backlight not working or incorrect. | Backlight turned off, incorrect settings, software conflict. | Ajusta la brillantor amb Fn + ↑. Cycle modes with Fn + Ins. Reset backlight with Fn + Esc (hold 3s). Check programmable driver settings. |
| Keyboard not charging. | Faulty USB-C cable, power source issue, keyboard port damage. | Try a different USB-C cable. Use a different USB port or power adapter. Ensure the cable is fully inserted. |
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | TF-Crystal 85 |
| Disseny de claus | 85 tecles (75% compactes) |
| Connectivitat | Bluetooth 5.0, sense fil de 2.4 GHz, USB-C amb cable |
| Tipus de canvi | Pre-lubricated Linear Mechanical Switches |
| Vida útil del canvi | 50 milions de pulsacions de tecles |
| Intercanviable en calent | Sí (compatible amb 3 pins/5 pins) |
| Llum de fons | RGB (20 modes, 16.8 million colors) |
| Capacitat de la bateria | 4000 mAh |
| Battery Life (2.4G, no light) | Fins a 240 hores |
| Battery Life (Backlit ON) | Aproximadament 22 hores |
| Dimensions (L x A x A) | 34.7 cm x 14 cm x 4.5 cm |
| Compatibilitat | Mac, Windows, iOS, Android, PC, Laptop, Smartphone, Tablet, Switch, Xbox, PlayStation |

Image 7.1: Visual representation of the keyboard's battery life: 240 hours with backlight off, 22 hours with backlight on, powered by a 4000mAh battery.
8. Garantia i Suport
Transformers is committed to providing exceptional customer service. If you encounter any problems with your TF-Crystal 85 Keys Mechanical Keyboard, our after-sales support team is available to assist you. This includes technical support, exchanges, or installation guidance.
Please contact our customer service for assistance. We guarantee a hassle-free service experience.





