Keychron K8 Bluetooth Mechanical Keyboard

Introduction and Contents

This document provides a comprehensive guide to the Keychron K8 Bluetooth Mechanical Keyboard. It covers setup, connectivity, features, specifications, and troubleshooting.

Contents:

Keychron K8 Bluetooth Mechanical Keyboard x 1
Type-C Cable x 1
User Manual x 1
Quick Start Guide x 1
Replacement Keycap Set (Windows) x 1

Quick Start Guide

If you are a Windows user, please find the appropriate keycaps in the box and follow instructions to replace them.

Mac / Windows Keyboard Layout

The keyboard features a standard layout adaptable for both Mac and Windows. Key rows include:

Top Row: Esc, Function keys (F1-F12) with multimedia controls (e.g., volume, playback), brightness controls, and system keys (e.g., Home, End, Page Up/Down, Insert, Delete).
Number Row: Numbers 1-0 with corresponding symbols. Includes `半角/全角` (IME toggle) for Japanese layouts.
QWERTY Row: Q, W, E, R, T, Y, U, I, O, P, and bracket keys.
ASDF Row: A, S, D, F, G, H, J, K, L, and semicolon/colon keys.
ZXCV Row: Z, X, C, V, B, N, M, and comma/period keys. Includes `英数` (Alphabet) and `かな` (Kana) for Japanese layouts.
Bottom Row: Modifier keys including Control, Option/Alt, Command/Windows, Fn, and Spacebar.

Specific keycaps can be swapped for Windows compatibility.

Setup and Connectivity

1. Bluetooth Connection

To connect via Bluetooth:

Switch the toggle on the keyboard to the Bluetooth position.
Press and hold the Fn + 1 keys for 4 seconds to activate pairing mode. The Bluetooth indicator will blink.
On your device, search for the Bluetooth device named Keychron K8 and pair with it.

2. Cable Connection

To connect via USB cable:

Switch the toggle on the keyboard to the Cable position.
Connect the included Type-C cable to the keyboard and your computer.

Key Features and Operations

Function and Multimedia Keys (F1-F12)

You can switch between standard function keys and multimedia keys:

For Windows: Press and hold Fn + X + L for 4 seconds to switch modes.
For Mac: Go to System Settings > Keyboard and enable the function keys.
Specific Function Keys (F5 & F6): For enhanced functionality, press and hold Fn + K + C for 4 seconds.

Disable Auto Sleep Mode

The keyboard enters Auto Sleep Mode after 10 minutes of inactivity to conserve battery. To disable this feature:

Press and hold Fn + S + O for 4 seconds.
To re-enable Auto Sleep Mode, press and hold Fn + S + O for 4 seconds again.

Key Remapping

Keychron does not provide official software for key remapping. However, you can use third-party applications:

For Mac: Karabiner
For Windows: SharpKeys

Linux User Group

Join the community by searching for “Keychron Linux Group” on Facebook for tips and discussions.

Activating Siri / Cortana

Siri (Mac): Navigate to System Preferences > Siri > select the “Press Fn (Function) Space” option. (Note: Siri key functionality is limited to macOS.)
Cortana (Windows): Go to Start > Settings > Cortana and select the shortcut by pressing the Windows key + C. (Note: Windows Cortana is available on Windows 10 and above and may vary by region.)

Specifications

K8 Bluetooth Mechanical Keyboard Specifications

Number of keys: 87 (US), 91 (Japanese)
Switch type: Mechanical / Optical
Battery: 4000mAh
Charging time: Approximately 3 hours
Charging port: USB Type-C
Mode: Bluetooth / Wired
Bluetooth operating distance: Up to 10 meters (in open space)
Bluetooth device name: Keychron K8
Operating Environment: -10°C to 50°C (14°F to 122°F)

LED Status Overview

LED Location	Function	Status
Battery Indicator	Charging	Low battery: Blinking Red Charging: Static Red Fully charged: Static Green
Bluetooth Indicator	Bluetooth	Pairing: Slow Blinking Paired: Light Off Switching: Fast Blinking
Caps Lock Indicator	Caps Lock	On/Off status

Function Description: Charging

Connect the keyboard using the USB Type-C cable. The Charging Indicator will:

Blink Red when the battery is below 15%.
Stay Static Red while charging.
Turn Static Green when fully charged (approximately 3 hours).

The Keychron K8 is compatible with all USB ports. For optimal performance, use a 5V 2A adapter or USB 3.0. The keyboard can be charged in Bluetooth/on/off mode. This product supports up to 5V charging voltage and 2A charging current. Improper charging may cause issues, for which Keychron is not responsible.

Troubleshooting

Keyboard Not Working

For the keyboard: Turn the keyboard off and then back on.
For the device (Windows): Turn Bluetooth off, restart your computer, then turn Bluetooth back on.
For the device: Go to Bluetooth settings, turn off Bluetooth, and 'forget' the keyboard. Restart the device and reconnect via Bluetooth.

Bluetooth Connection Interrupted

Ensure the keyboard is not placed on or near metal surfaces that could interfere with the Bluetooth signal.

Third-Party Input Tools Incompatibility

Functions may be affected by compatibility, versions, brands, and drivers of Windows/Android OS. Ensure your operating system and drivers are up to date.

Certain Fn Keys or Multimedia Keys Not Working

These functions may be disabled due to compatibility, versions, brands, and drivers of Windows/Android OS.

Pairing Issues

If you cannot pair the keyboard to a device, confirm that the device is Bluetooth-capable. If it is, restart the device and try pairing again. On Windows computers, new Bluetooth connections may require software updates; wait at least 20 minutes after pairing before restarting your computer.

Safety Precautions and Contact Information

Safety Precautions

Keep the product, accessories, and packaging parts out of reach of children to prevent accidents and choking hazards.
Always keep the product dry to avoid corrosion.
Do not expose the product to extreme temperatures below -10°C (5°F) or above 50°C (131°F) to preserve the lifespan of the keyboard and battery.

Contact Information

Keychron, Inc.
Dover, DE 19901, United States

Find us at:

Website: https://www.keychron.com
Support: Support@keychron.com
Social Media: f@keychron, @keychron, @keychronMK

Made in China

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