Įvadas
This manual provides detailed instructions for the Keychron K3 Version 2 Ultra-Slim Mechanical Keyboard. Please read this manual thoroughly before using the keyboard to ensure proper setup and operation. The Keychron K3 is a compact 75% layout ultra-slim wireless mechanical keyboard designed for productivity and a tactile typing experience.

Image: Keychron K3 keyboard integrated into a multi-device workspace.
Sąranka
Pakuotės turinys
- 1 x Fully Assembled Keychron K3 Keyboard
- 1 x USB-A–USB C tipo laidas
- 1 x raktų dangtelio ištraukiklis
- Papildomi klavišų dangteliai „Windows“ ir „Mac“ operacinėms sistemoms
Ryšio režimai
The Keychron K3 supports both wireless Bluetooth 5.1 and wired USB Type-C connections.

Image: Visual guide for connecting the Keychron K3 via USB or Bluetooth.
„Bluetooth“ ryšys:
- Locate the mode switch on the side of the keyboard. Slide the switch to the Bluetooth padėtis.
- Laikykite nuspaudę fn+1 keys simultaneously until the Bluetooth indicator light flashes repeatedly, indicating pairing mode.
- On your device (laptop, PC, tablet, or phone), enable Bluetooth, search for "Keychron K3", and connect.
- The keyboard can connect to up to 3 devices. Use fn+1, fn+2, arba fn+3 norėdami perjungti suporuotus įrenginius.
Note: Keep the distance between the keyboard and the device within reasonable limits to minimize signal interference.
Laidinis ryšys:
- Locate the mode switch on the side of the keyboard. Slide the switch to the Kabelis padėtis.
- Connect the provided USB Type-C cable from the keyboard to your computer's USB port.
- The keyboard will be recognized automatically as a plug-and-play device.
Operacinės sistemos suderinamumas
The Keychron K3 is compatible with both Mac and Windows operating systems. It includes extra keycaps for both systems.

Image: Side switches for selecting operating system layout and connection type.
Use the dedicated switch on the side of the keyboard to select between Win / Android ir Mac/iOS layouts. Ensure the correct layout is selected for optimal functionality.
If the keyboard layout does not match your device exactly, consider updating the keyboard's firmware from the official Keychron websvetainę.
Operacija
Rašymo patirtis
The Keychron K3 features low-profile Keychron mechanical switches (Red Switch variant) which are 40% slimmer than conventional switches. This design results in a shorter pre-travel and total travel distance, allowing for faster input and feedback.

Image: Low-profile ABS keycaps on the Keychron K3.
Foninio apšvietimo valdymas
The keyboard is equipped with a white LED backlight. You can adjust the brightness and switch between various lighting effects using the dedicated function keys.

Image: White LED backlighting illuminates the keys and low-profile red mechanical switches.
- Paspauskite Fn + F5 , kad sumažintumėte foninio apšvietimo ryškumą.
- Paspauskite Fn + F6 padidinti foninio apšvietimo ryškumą.
- Paspauskite Fn + F4 , kad būtų galima perjungti skirtingus foninio apšvietimo efektus.
Daugialypės terpės raktai
The K3 includes all necessary Mac multimedia keys and is also compatible with Windows multimedia functions. These keys are typically accessed by pressing the Fn key in combination with the top row function keys (F1-F12).
- Fn + F1: Decrease screen brightness
- Fn + F2: Increase screen brightness
- Fn + F7: Ankstesnis takelis
- Fn + F8: Leisti / pristabdyti
- Fn + F9: Kitas takelis
- Fn + F10: Nutildyti
- Fn + F11: Patildyti
- Fn + F12: Pagarsink
Priežiūra
Klaviatūros valymas
To maintain optimal performance and appearance, regularly clean your Keychron K3 keyboard.
- Klaviatūros dangteliai: Use the provided keycap puller to carefully remove keycaps. Clean them with a soft, damp šluoste ir, jei reikia, švelniu muilu. Prieš pritvirtindami, įsitikinkite, kad jie yra visiškai sausi.
- Klaviatūros korpusas: Wipe the aluminum body and plastic bottom frame with a soft, lint-free cloth. For stubborn dirt, a slightly damp cloth can be used. Avoid excessive moisture.
- Jungikliai: Use compressed air to remove dust and debris from around and under the switches.
Informacija apie akumuliatorių
The Keychron K3 is powered by a rechargeable battery. The battery life can last up to 34 hours on the lowest brightness setting.
- Įkrovimas: Connect the keyboard to a power source using the USB Type-C cable. The charging indicator light will show the charging status.
- Baterijos išsaugojimas: To prolong battery life, turn off the backlight when not needed and switch the keyboard to wired mode when possible.
Trikčių šalinimas
Ryšio problemos
- „Bluetooth“ neprisijungia:
- Ensure the keyboard's mode switch is set to Bluetooth.
- Verify the keyboard is in pairing mode (Fn + 1/2/3 mirksi).
- Patikrinkite savo įrenginio „Bluetooth“ nustatymus ir įsitikinkite, kad jis yra aptinkamas.
- Try forgetting the device on your computer and re-pairing.
- Įsitikinkite, kad klaviatūros baterija įkrauta.
- Laidinis ryšys neveikia:
- Ensure the keyboard's mode switch is set to Kabelis.
- Išbandykite kitą kompiuterio USB prievadą.
- Test with a different USB Type-C cable.
Raktai nereaguoja
- Ensure the keyboard is properly connected (Bluetooth or wired).
- Check if the correct operating system layout is selected (Mac/iOS or Win/Android).
- Restart the keyboard by cycling the power switch off and on.
- If specific keys are not working, try removing the keycap and clearing any debris around the switch.
Foninio apšvietimo problemos
- Ensure the backlight is not turned off or set to the lowest brightness. Use Fn + F6 ryškumui padidinti.
- If the backlight is inconsistent, ensure the keyboard battery is sufficiently charged.
Specifikacijos

Image: Keychron K3 75% compact layout with dimensions.

Image: Ultra-slim body design and low-profile switch comparison.

Image: Detailed specifications for the Keychron Low Profile Mechanical Red Switch.
| Funkcija | Detalė |
|---|---|
| Prekės ženklas | Keychron |
| Modelio numeris | K3A1 |
| Ryšio technologija | Bluetooth 5.1, USB Type-C wired |
| Raktų skaičius | 84 |
| Jungiklio tipas | „Low Pro“file Gateron Mechanical - Red |
| Foninis apšvietimas | Baltas LED |
| Suderinami įrenginiai | Nešiojamasis kompiuteris, asmeninis kompiuteris, išmanusis telefonas, planšetinis kompiuteris |
| Suderinama OS | MacOS, Windows |
| Gaminio matmenys (I x P x A) | 12.05" x 4.57" x 0.83" |
| Prekės svoris | 500 gramų |
| Korpuso medžiaga | Akrilnitrilo butadieno stirenas, aliuminis |
| Battery Life (lowest brightness) | Iki 34 valandų |
Garantija ir palaikymas
Informacija apie garantiją
The Keychron K3 Version 2 keyboard comes with a 1 metų ribota garantija iš gamintojo. Ši garantija taikoma medžiagų ir gamybos defektams, atsiradusiems įprasto naudojimo sąlygomis. Išsaugokite pirkimo įrodymą, jei galėtumėte pateikti pretenzijas dėl garantijos.
For detailed warranty terms and conditions, please refer to the official Keychron websvetainėje arba susisiekite su jų klientų aptarnavimo tarnyba.
Pagalba klientams
For further assistance, technical support, or warranty inquiries, please visit the official Keychron websvetainė:
You may also find helpful resources, FAQs, and firmware updates on their support pages.