Introduzione
This manual provides comprehensive instructions for the Keychron K4 QMK Wireless Custom Mechanical Keyboard (Version 3). It covers setup, operational procedures, maintenance guidelines, and product specifications to ensure optimal use and longevity of your device. The Keychron K4 is a 96% layout (100-key) mechanical keyboard featuring QMK firmware for extensive customization, dual wireless (Bluetooth 5.1 and 2.4G) and wired (USB-C) connectivity, and a white backlight.
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Image: The Keychron K4 keyboard positioned on a wooden desk, showcasingrazie al suo layout compatto al 96%.
Contenuto della confezione
Verificare che tutti gli articoli siano presenti nel pacco:
- Keychron K4 QMK Wireless Custom Mechanical Keyboard
- Cavo da USB-C a USB-A
- Estrattore per tasti
- Estrattore di interruttori (se versione hot-swap)
- Manuale d'uso
Impostare
1. Cambio del sistema operativo
Locate the OS switch on the side or back of the keyboard. Toggle it to the appropriate position for your operating system (Windows/Android or macOS).
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Immagine: Un dettaglio view of the physical switch on the keyboard used to select between Windows/Android and macOS operating system modes.
2. Modalità di connettività
The Keychron K4 supports three connectivity options: Bluetooth, 2.4G Wireless, and USB-C wired.
- Modalità Bluetooth: Slide the mode switch to 'BT'. To pair, press and hold 'Fn + 1' (or 'Fn + 2' / 'Fn + 3') for 4 seconds until the indicator light flashes rapidly. Select 'Keychron K4' from your device's Bluetooth settings. The keyboard can connect to up to three devices simultaneously.
- Modalità wireless 2.4G: Slide the mode switch to '2.4G'. Insert the 2.4G receiver into your device's USB port. The keyboard should connect automatically.
- Modalità cablata USB-C: Slide the mode switch to 'Cable'. Connect the provided USB-C cable from the keyboard to your computer.
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Image: The Keychron K4 keyboard demonstrating its ability to connect to multiple devices, including a laptop, desktop monitor, and tablet, via wireless technology.
3. Carica della batteria
The keyboard is equipped with a 4000mAh lithium-ion battery. Connect the USB-C cable to the keyboard and a power source (computer USB port or wall adapter) to charge. The charging indicator light will show the charging status.
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Image: The Keychron K4 keyboard on a wooden surface, highlighting its 4000mAh battery capacity.
Istruzioni per l'uso
1. Key Customization with QMK and Keychron Launcher
The Keychron K4 features QMK firmware, allowing for extensive key remapping, macro creation, and custom shortcuts. Utilize the Keychron Launcher web application to easily customize each key. Visit the official Keychron website for access to the Launcher and detailed instructions.
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Image: A visual representation of the Keychron Launcher software, displaying its interface for customizing keyboard keymaps and functions.
2. Controllo della retroilluminazione
The keyboard features a white backlight. Use the dedicated backlight key (often 'Fn + Light bulb icon' or similar) to cycle through various lighting effects and brightness levels. Refer to the keyboard's keycap legends for specific backlight control shortcuts.
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Immagine: un primo piano view of the Keychron K4 keyboard's keys illuminated by its white backlight.
3. Supporto ergonomico
The Keychron K4 is designed with two-level adjustable feet and an inclined bottom frame to provide ergonomic support and comfort during extended typing sessions. Adjust the feet to your preferred typing angle.
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Immagine: Un lato profile of the Keychron K4 keyboard, illustrating the two adjustable feet positions for ergonomic typing angles.
Manutenzione
1. Pulizia
Per pulire la tastiera, scollegarla prima da tutte le fonti di alimentazione. Utilizzare un panno morbido e privo di lanugine leggermenteampened with water or a mild cleaning solution. For deeper cleaning, use the provided keycap puller to remove keycaps and clean underneath with compressed air or a small brush. Avoid excessive moisture.
2. Cura della batteria
To prolong battery life, avoid fully discharging the keyboard frequently. Store the keyboard in a cool, dry place when not in use for extended periods. If the keyboard will not be used for a long time, charge it to approximately 50% before storage.
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Image: An exploded diagram illustrating the internal components of the Keychron K4 keyboard, including keycaps, switches, plate, foam, PCB, and battery.
Risoluzione dei problemi
- La tastiera non si connette tramite Bluetooth: Ensure the OS switch is set correctly. Turn off and on the keyboard. Delete the keyboard from your device's Bluetooth list and re-pair. Ensure the keyboard is charged.
- I tasti non rispondono: Check if the keyboard is in the correct mode (wired/wireless). If in wired mode, ensure the USB-C cable is securely connected. If wireless, check battery level.
- Retroilluminazione non funzionante: Ensure the backlight is enabled and brightness is adjusted. Check battery level.
- Ritardo o ritardo di input: Ensure the keyboard is within range of your device for wireless connections. For wired connections, try a different USB port or cable.
Specifiche
| Nome del modello | K4X-A3 |
| Disposizione | 96% (100 tasti) |
| Connettività | Bluetooth 5.1, wireless 2.4G, USB-C cablato |
| Interruttori | Brown Switch (Tactile) |
| Retroilluminazione | LED bianco |
| Capacità della batteria | 4000mAh agli ioni di litio |
| Tasso di sondaggio | Frequenza 1000 Hz |
| Dispositivi compatibili | Laptop, Phone, Tablet (Mac/Windows/Android) |
| Peso dell'articolo | 3.16 libbre |
| Dimensioni del pacco | 15.83 x 7.99 x 2.91 pollici |
Garanzia e supporto
Keychron products typically come with a limited manufacturer's warranty. For specific warranty terms, technical support, or service inquiries, please refer to the official Keychron webo contattare direttamente l'assistenza clienti. Conservare la prova d'acquisto per eventuali reclami in garanzia.
Keychron ufficiale Websito: www.keychron.com





