1. Introducció
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your AJAZZ AK992 Wireless Mechanical Keyboard. Please read this manual thoroughly before using the product to ensure proper function and longevity.

Image 1.1: The AJAZZ AK992 Wireless Mechanical Keyboard, showcasing its full layout and coiled cable.
2. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- 1 x AJAZZ AK992 Mechanical Keyboard
- 1 x Receptor USB de 2.4 GHz
- 1 x Custom Coiled USB-C Cable
- 1 x extractor de tecles
- 1 x extractor d'interruptor
- 4 interruptors de recanvi
- 8 x Replacement Keycaps
- 1 x Manual d'usuari (aquest document)
3. Especificacions
| Característica | Detall |
|---|---|
| Model | AK992 |
| Connectivitat | Bluetooth 5.0, sense fil de 2.4 GHz, USB-C amb cable |
| Les claus | 99 tecles (98% de disseny) |
| Interruptors | Intercanviable en calent (compatible amb 3 pins/5 pins) |
| Taps de claus | PBT OEM Keycaps |
| Il·luminació de fons | RGB (més de 18 efectes) |
| Capacitat de la bateria | 4000 mAh |
| Dimensions | 16.5 x 2.2 x 2.8 polzades |
| Pes | 2.48 lliures |
| Fabricant | MAGIC-REFINER |
4. Configuració
4.1 Càrrega del teclat
Before initial use, fully charge the keyboard using the provided USB-C cable. Connect the USB-C end to the keyboard and the USB-A end to a power source (e.g., computer USB port, wall adapter).
- The keyboard features a 4000mAh battery, providing extended usage time.
- To check battery level, press FN + Back (Delete Key). The number keys 1-0 will light up to indicate the power proportion.

Image 4.1: Visual representation of checking the keyboard's battery level by pressing FN + Back (Delete Key).
4.2 Connecting the Keyboard (Three Modes)
The AK992 keyboard supports three connection modes: Bluetooth 5.0, 2.4GHz Wireless, and USB-C Wired. Use the sliding switch on the left side of the keyboard to select your desired mode.

Image 4.2: Illustration of the three connection modes: USB-C, 2.4GHz, and Bluetooth 5.0, connecting to various devices.
Connexió sense fil 4.2.1 de 2.4 GHz
- Locate the 2.4GHz USB receiver, typically stored in a compartment on the side of the keyboard.
- Connecteu el receptor USB a un port USB disponible de l'ordinador.
- Slide the connection switch on the keyboard to the "2.4G" position.
- El teclat s'hauria de connectar automàticament.
Connexió Bluetooth 4.2.2 5.0
The keyboard can store up to 3 Bluetooth devices.
- Slide the connection switch on the keyboard to the "BT" position.
- Mantén premut FN + 1, FN + 2, o FN + 3 for 3-5 seconds to enter pairing mode for the desired profile. The indicator light will flash rapidly.
- On your device (PC, Mac, tablet, smartphone), enable Bluetooth and search for "AK992".
- Select "AK992" to pair. The indicator light on the keyboard will stop flashing once connected.
- Per canviar entre dispositius Bluetooth emparellats, premeu FN + 1/2/3 breument.
4.2.3 Connexió amb cable USB-C
- Connect the provided USB-C coiled cable to the keyboard's USB-C port.
- Connecteu l'altre extrem del cable a un port USB de l'ordinador.
- Slide the connection switch on the keyboard to the "Wired" position.
- The keyboard will be recognized as a standard USB keyboard.

Image 4.3: The custom coiled USB-C cable with a metal aviation connector, designed for durability and stable data transmission.
5. Instruccions de funcionament
5.1 Multimedia Control Knob
The knob located in the upper right corner provides convenient multimedia control:
- Girar en sentit horari: Augmenta el volum
- Girar en sentit antihorari: Disminuir el volum
- Premsa: Play/Pause Media or Mute/Unmute Audio

Image 5.1: Close-up of the metal knob, illustrating its functions for volume control and media play/pause/mute.
5.2 Control de retroil·luminació RGB
The AK992 features dynamic RGB backlighting with multiple effects.
- FN + \| (Backslash/Pipe key): Cycle through 18+ RGB lighting effects.
- FN + ↑ / ↓: Ajusteu la brillantor de la llum de fons.
- FN + ← / →: Adjust backlight speed/direction.
- FN + 1/2/3: Customize three sets of game or office lighting effects (requires software for full customization).

Image 5.2: The keyboard displaying various RGB lighting effects, highlighting the FN + \| key combination for switching modes.
5.3 Commutadors intercanviables en calent
The AK992 keyboard features a hot-swappable PCB, allowing users to change mechanical switches without soldering. It supports both 3-pin and 5-pin switches.
- Feu servir l'extractor de tecles proporcionat per treure amb cura la tecla desitjada.
- Use the provided switch puller to gently grip the switch and pull it straight up to remove it from the PCB.
- Alineeu els pins del nou interruptor amb els forats de la placa de circuit imprès. Assegureu-vos que els pins estiguin rectes.
- Premeu fermament el nou interruptor fins que faci clic.
- Substitueix la tapa de les tecles.

Imatge 5.3: Una imatge detallada view of the keyboard's hot-swappable PCB, showing removed keycaps and switches, along with replacement components.
5.4 Disseny ergonòmic
The keyboard is designed with a two-stage tripod foot system, allowing adjustment of the typing angle to 5° or 8° for improved comfort and reduced hand fatigue.

Image 5.4: The keyboard's two-stage tripod design, illustrating the 5° and 8° adjustable typing angles.
6. Manteniment
6.1 Neteja
- Desconnecteu el teclat de totes les fonts d'alimentació i dispositius 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 una neteja més profunda, feu servir l'extractor de tecles inclòs per treure les tecles i netegeu-les per sota amb aire comprimit o un raspall petit.
- Avoid using harsh chemicals, abrasives, or solvents, as these may damage the keyboard's finish or components.
6.2 Emmagatzematge
Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, ensure the battery is partially charged (around 50%) to preserve battery health.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El teclat no respon en mode sense fil. | Bateria baixa, mode incorrecte seleccionat, receptor no connectat (2.4G), no emparellat (Bluetooth). | Charge the keyboard. Ensure the mode switch is set correctly. Re-insert the 2.4G receiver. Re-pair Bluetooth device. |
| RGB backlight not working or dim. | Backlight turned off, brightness set too low, low battery. | Premeu FN + \| to cycle modes. Adjust brightness with FN + ↑. Charge the keyboard. |
| Les claus no es registren o s'escriuen dues vegades. | Faulty switch, debris under keycap, software issue. | Remove keycap and clean. Replace the switch using the provided tools and spare switches. Test on another device. Update keyboard firmware if available. |
| El teclat es desconnecta sovint. | Interferències, distància del receptor/dispositiu, bateria baixa. | Reduce distance to receiver/device. Ensure no strong interference sources. Charge the keyboard. Try wired mode. |
8. Garantia i Suport
8.1 Informació de la garantia
The AJAZZ AK992 Wireless Mechanical Keyboard is covered by a limited warranty against manufacturing defects. Please refer to the warranty card included in your package or contact your retailer for specific warranty terms and conditions. Keep your proof of purchase for warranty claims.
Nota: La garantia normalment cobreix els defectes de materials i fabricació en condicions d'ús normal. No cobreix els danys causats per un mal ús, accidents, modificacions no autoritzades o desgast normal.
8.2 Atenció al client
For technical assistance, troubleshooting, or general inquiries, please contact the manufacturer or your point of purchase. You may also visit the official AJAZZ or MAGIC-REFINER weblloc web per a preguntes freqüents, descàrregues de controladors i recursos d'assistència addicionals.
Manufacturer: MAGIC-REFINER
Model: AK992
9. Vídeo oficial del producte
Vídeo 9.1: Presentació oficial del producte en vídeoasing the AK992 99 Keys Gasket Wireless Mechanical Gaming Keyboard in use, demonstrating its features and RGB lighting. This video is provided by MAGIC-REFINER Direct.





