Introducció
The Machenike K500A-B84 is a 75% Tenkeyless (TKL) hot-swappable mechanical keyboard designed for PC gamers and laptop users. It features a compact layout with 84 keys, durable double-shot PBT keycaps, and a 6-color LED backlight with various lighting effects. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your keyboard.

Figure 1: Machenike K500A-B84 Mechanical Keyboard
Pautes de seguretat
- Eviteu els vessaments: Keep liquids away from your mechanical keyboard as spills can damage the circuitry.
- Don’t Pull Out the Cable Forcefully: When disconnecting, pull on the plug rather than the cord to avoid damage.
- Protegiu el connector USB: When not in use, unplug and store the keyboard properly to protect the USB connector.
- Evita deixar caure: Mechanical keyboards are sturdy, but harsh impacts can still cause damage.
Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- Teclat x 1
- Manual d'usuari x 1
- Cable de dades x 1
- Replacement Switches x 2 (for upgrade version)
- Keycap Puller x 1 (for upgrade version)
- Keyswitch Puller x 1 (for upgrade version)
Note: The "upgrade version" includes additional accessories like replacement switches and pullers. Your specific package contents may vary based on the version purchased.
Especificacions
| Característica | Detall |
|---|---|
| Model | K500A-B84 |
| Marca | MACHENIKE |
| Connectivitat | Cablejat (USB-C) |
| Quantitat de claus | 84 Keys (75% TKL Layout) |
| Commutadors de tecles | HUANO Red Switch / HUANO Brown Switch (Hot-swappable 3-pin) |
| Material de claus | Double-shot PBT plastic |
| Impressió de tecles | Doble tret |
| Tipus de llum de fons | 6-Color LED (monochrome) |
| Anti-fantasma | Rollover de tecla N |
| Dimensions (L*W*H) | 310.6 mm * 123.6 mm * 35.5 mm |
| Pes | 482 g ± 30 g |
| Longitud del cable | Aprox. 1.6m |
| Aplicació | Escriptori, ordinador portàtil |
| Suport del sistema | WinXP/Win7/Win8/Win10 (no driver requirements) |
HUANO Switch Specifications:

Figure 2: HUANO Red and Brown Switch Details
- Interruptor vermell: Actuation Force: 45g, Actuation Distance: 2.4mm, Travel Distance: 4.4mm (Linear)
- Interruptor marró: Actuation Force: 60g, Actuation Distance: 2.4mm, Travel Distance: 4.4mm (Tactile)
Configuració
- Descomprimir el teclat: Carefully remove the keyboard and all accessories from its packaging.
- Connexió a l'ordinador: Simply plug the USB-C end of the provided data cable into the keyboard and the USB-A end into an available USB port on your computer.
- Instal·lació del controlador: No driver installation is required. The keyboard is plug-and-play compatible with WinXP/Win7/Win8/Win10 operating systems.
Video 1: Product Unboxing and Setup Demonstration
Instruccions de funcionament
Initial Power-On and Lighting
Upon first boot, a marquee animation will be displayed, followed by a steady lighting mode that defaults to the user's last settings.

Figure 3: Keyboard with LED Backlight
Control d'il·luminació
- Canvia els modes d'il·luminació: Premeu FN + PgDn to cycle through 9 preset lighting effects (e.g., partitioned graphics, left/right scan, 45-degree scan, snake marquee, wave scan, ripple, full bright, snow trace, breathing mode).
- Ajustar la brillantor de la llum de fons: Premeu FN + ↑ (Up arrow) or FN + ↓ (Down arrow) to adjust the backlight brightness (5 levels).
- Ajusta la velocitat de la il·luminació: Premeu FN + ← (Left arrow) or FN + → (Right arrow) to adjust the speed of dynamic lighting modes (5 levels).
Gaming Mode and Key Customization
The keyboard supports various gaming modes with pre-lit keys and custom lighting configurations.
- FN+1 (FPS Mode): S'encén ESC, A, S, D, W, ↑, ↓, ←, →.
- FN+2 (FPS Mode 2): S'encén A, S, D, W, Ctrl esquerre, Canvi a l'esquerra, Alt esquerra, Espai, R, G, Q, E, B, 1, 2, 3, 4, 5, Tab, F1, F2, F3, Casa, Final, PgUp, PgDn, PrtSc.
- FN+3 (COD Mode): S'encén Q, W, E, R, T, A, S, D, F, G, C, V, 1, 2, 3, 4, 5, 6, 7, Ctrl esquerre, Canvi a l'esquerra.
- FN+4 (RTS Mode): S'encén Q, W, E, R, A, S, D, G, X, Z, F, K, L, H, M, N, U, Y, T, P, Espai, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, Ctrl esquerre, Canvi a l'esquerra, Alt esquerra.
- FN+5 (MOBA Mode): S'encén Q, W, E, R, D, G, F, B, V, Ctrl esquerre, Alt esquerra, Tab, Espai, ~, 1, 2, 3, 4, 5, 6, Esc.
- FN+6 (RAC Mode): S'encén A, S, D, W, R, ↑, ↓, ←, →, Ctrl esquerre, Canvi a l'esquerra, Alt esquerra.
- FN+7 (SPG Mode): S'encén A, F, S, W, R, E, Espai, ↑, ↓, ←, →, Z, X, C, V, 1, 2, 3, 4, Canvi a l'esquerra, Ctrl esquerre, Alt esquerra.
- FN+8: S'encén 1, 2, 3, 4, 5, 6, Q, W, E, R, D, F, B.
Personalització de la il·luminació:
- Premeu FN + 9 or FN + 0 to select a custom profile.
- Premeu FN + CASA to enter graphic recording mode.
- Press any key to light it up (press again to turn off) and create your desired backlight graphic.
- Premeu FN + FINALITZACIÓ to exit recording mode and save the graphic.
WIN Key Lock
Premeu FN + GUANYAR to lock the Windows and APP key functions. Press again to unlock.
FN Composite Functions (Multimedia Keys)
| Drecera | Funció |
|---|---|
| FN + F1 | El meu ordinador |
| FN + F2 | Cerca |
| FN + F3 | Calculadora |
| FN + F4 | Jugador |
| FN + F5 | Pista anterior |
| FN + F6 | Pista següent |
| FN + F7 | Reproduir/Pausa |
| FN + F8 | Atureu-vos |
| FN + F9 | Silenciar |
| FN + F10 | Volum - |
| FN + F11 | Volum + |
| FN + F12 | Keyboard Lock (Press again to unlock) |
Manteniment
- Neteja regular: Dust and debris can affect performance. Regular cleaning helps prevent issues and prolongs the life of your keyboard. Use a soft brush or compressed air to remove dust from between keycaps.
- Extracció de la tapa de les tecles i l'interruptor: If your version includes a keycap puller and keyswitch puller, you can carefully remove keycaps and switches for deeper cleaning or replacement. Refer to the hot-swappable section for switch details.

Figure 4: PBT Keycaps and Hot-swappable Switches for Maintenance
Resolució de problemes
- Keyboard not Responding: Try testing it on a different device or USB port. Ensure the cable is securely connected.
- Incorrect Characters Displayed: Check your computer’s language and regional settings to ensure they match your keyboard layout.
- Stuck Keys: Physical obstructions or dust can cause keys to stick. Regular cleaning helps prevent this issue.
- Keyboard Lag: This could be due to system resource issues. Closing unnecessary background applications can often help.
- Unrecognized by Computer: Try restarting your computer or test the keyboard on a different device.
- Keyboard Lights not Working: Check your keyboard settings and ensure that the backlight option is enabled. Cycle through lighting modes using FN + PgDn.
- Application Not Responding to Keyboard Input: Check if the keyboard works outside of the troublesome application. If it does, the issue might be within the software itself.
- Restableix la configuració de fàbrica: If you encounter persistent issues, you can restore factory settings by pressing and holding FN + ESC durant tres segons.
Consells per a l'usuari
- The keyboard features a 6-color LED backlight, not full RGB. While you can customize patterns, you cannot change individual key colors to a single uniform color if it's not part of the preset modes.
- This model is wired only and does not support wireless (Bluetooth) connectivity.
- The LEDs can be turned off if desired, likely by cycling through the lighting modes until off or a specific FN key combination.
- The hot-swappable design allows for easy switch replacement without soldering, offering flexibility for customization.
- The keyboard is compatible with laptops via its USB connection.
Garantia i Suport
MACHENIKE provides a warranty for this product. In China, the product is covered by a free warranty for one year from the date of purchase, provided it is used correctly according to the technical instructions.
Exclusions de garantia:
- Faults caused by unauthorized disassembly or modification of the product.
- Faults caused by accidental drops, liquid damage, or incorrect power supply specifications during use or transport.
- Avaries causades per la manca d'un manteniment raonable.
- No funcionar segons les instruccions del manual d'usuari.
- Avaria o danys causats per productes, serveis o accions de tercers.
For warranty service, you must provide a clear, complete, and accurate sales invoice and warranty card. Please ensure these documents are obtained from your seller at the time of purchase and kept safe. Repair services outside the warranty scope will be charged accordingly.
For a detailed user manual and warranty information, you may refer to the official PDF document: View Manual d'usuari (PDF).





