Keychron Q4 HE Wireless Magnetic Axis Keyboard

Key Description

LED Status Overview

Function Description: Charging

Plug the cable into a USB port and plug the other end into the keyboard port. Power indicator: A red light will stay on while charging; Fully charged in around 5 hours, a green power indicator will appear.

*The Keychron keyboard is compatible with all USB ports. Please use a 5V 1A adapter or USB 3.0 for the best performance. The Keychron keyboard can be charged in 2.4 GHz/Cable/Bluetooth mode.

**This product supports up to 5V charging voltage and 1A charging current. Keychron is not responsible for any problems caused by improper charging.

Connectivity Modes

Switching Bluetooth Devices

Short press key combination "fn" + "Q" / "fn" + "W" / "fn" + "E" to switch to other device.

Reconnect

1. Switch the keyboard to the "BT" option to activate the keyboard.
2. The Bluetooth channel indicator flashes for 4 seconds and automatically pairs with the last paired device.
3. If the Bluetooth channel indicator is off, press any button to enter the connection again.

*The keyboard must have been paired with the device to perform this function.

Turn Off the Keyboard

Switch the keyboard to the [power off] option and unplug the power cable.

Backlight Setting

• Short press key combination "fn" + "caps lock" to turn the backlight on/off.
• Short press key combination "fn" + "A" / "fn" + "Z" to switch between different types of lighting effects.

Auto Sleep Mode

When the keyboard is in Bluetooth or 2.4G wireless mode, it will enter AUTO SLEEP MODE when there are no key operations to save power.

1. After 10 minutes of inactivity, the keyboard backlight turns off. Press any key to wake up the keyboard.
2. After 30 minutes of inactivity, the keyboard will enter deep sleep mode and disconnect the wireless connection. Press the SPACE BAR to wake up the keyboard. The keyboard backlight turns on and automatically connects back to your device.

Profile Switching in Hall Effect Mode

Short press fn + P + Z / X / C to switch to Profile 1 / 2 / 3. The keyboard backlight will flash red, with the Z/X/C key flashing white, indicating that the Hall Effect mode profile has been successfully switched.

The key combination for each Profile is configurable on the Launcher web app: open the app > go to Keymap > Custom > select the button PROF1 / PROF2 / PROF3 > drop it on the key you want on Layer 0/1/2/3.

* PROF1 = Profile 1; PROF2 = Profile 2; PROF3 = Profile 3

OS Toggle

1. MAC/iOS: Switch the toggle to Mac/iOS when the keyboard is connected to a Mac or iOS operating system.
2. WINDOWS/ANDROID: Switch the toggle to Windows/Android when the keyboard is connected to a Windows or Android operating system.

*When using the Windows/Android mode, the [Windows key] and [Alt key] are used for “Windows” and “Alt” functions.

Troubleshooting

If unable to pair keyboard to device, confirm that the device you're trying to pair with is Bluetooth-capable. If so, restart the device and try pairing it with the keyboard again.

My keyboard isn't working in Bluetooth mode.

• For the computer/smartphone: Go to your device Bluetooth settings > Select the keyboard and remove/delete/unpair it. Then restart your device.
• For the keyboard: Turn the keyboard off and back on. Then reconnect it to your device.

My keyboard isn't working in 2.4 GHz mode.

Ensure the toggle is set to 2.4 GHz, remove the receiver from your device, and press "fn" + "R" for 4 seconds to force pair, then reinsert the receiver into the device, keeping the keyboard within 20 cm of the receiver for optimal pairing.

Wireless Connection Interruption

Wireless connection is interrupted even within 10 meters. Check if the keyboard is resting on a metal surface that can interfere with the wireless signal.

Third-Party Input Tools Compatibility

Third-party input tools are not compatible with the keyboard. Due to compatibility, versions, brands and drivers of Windows/Android OS, functions of third-party input tools may be affected while using the keyboard. Please make sure your operating system and drivers are up to date.

Multimedia and Function Keys

Certain multimedia keys or function keys do not work. Functions of certain multimedia keys may be disabled due to compatibility, versions, brands, and drivers of devices.

Multimedia keys: [Various symbols like / / / < / > / | / \ ]

Function keys: F1 / F2 / F3 / F4 / F5 / F6 / F7 / F8 / F9 / F10 / F11 / F12

Safety Precaution

• Keep the product, accessories and packaging parts out of the reach of children to prevent any accidents and choking hazards.
• Always keep the product dry to avoid corrosion.
• Do not expose the product to extreme temperatures below -10°C(14°F) or above 50°C(122°F) to preserve the lifespan of the keyboard.

FCC Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter.

Radiation Exposure Statement

The device has been evaluated to meet general RF exposure requirement in portable exposure condition without restriction.

Product Information

Manufacturer: Keychron, Inc.

Address: Dover, DE 19901, United States

Website: https://www.keychron.com

Support Email: support@keychron.com

Social Media: f @keychron, O @keychron, X @keychronMK

Designed by Keychron

Made in China

Fully Assembled Version Components

The fully assembled version includes:

Keyboard Components:

• 1x Assembled keyboard
• 1x Aluminum alloy metal casing
• 1x PCB
• 1x Aluminum positioning plate
• 1x PCB and plate sandwich silent foam
• 1x Silicone bottom pad
• 1x Bottom case silent foam
• 1x Bottom case PET pad
• 14x Gaskets (10 installed, 4 in packaging)
• 5x PCB satellite stabilizers
• 1x Keycap set (PBT material, double-shot injection)
• 1x Magnetic switch set

Cables:

• 1x Type-C cable
• 1x Type-A to Type-C adapter
• 1x Receiver extension cable

Receiver:

• 1x Type-A 2.4 GHz Receiver

Tools:

• 1x Keycap puller
• 1x Phillips screwdriver
• 1x Allen wrench

Quick Start Guide (Windows Users)

For Windows users, find the keycaps shown in the packaging box. Use the keycap puller to remove the corresponding keycaps on the keyboard and replace them.

Connecting the 2.4 GHz Receiver:

Connect the 2.4 GHz receiver to the device's USB port.

Diagram Description: Shows a laptop, a USB port, the 2.4 GHz receiver being plugged into the USB port, and a keyboard.

Switch the toggle to 2.4 GHz mode.

Diagram Description: Shows the side of the keyboard with a switch labeled "G / ≡ / BT". The switch is moved to the "G" position, with "G = 2.4 GHz" indicated.

Recommendation for optimal wireless experience: Insert the 2.4 GHz receiver into the cable + provided receiver extension cable, place it on the desk near your keyboard to reduce latency and interference.

Connecting Bluetooth:

Long press "fn + Q" for four seconds to enter pairing mode. The keyboard's pairing name is: Keychron Q4 HE.

Diagram Description: Shows the side of the keyboard with the switch moved to the "BT" position. It also shows the "fn + Q" key combination.

Connecting Wired:

Connect the keyboard using the USB cable.

Diagram Description: Shows a laptop, a USB Type-C cable, a USB Type-A to Type-C adapter, and the keyboard.

Switch the toggle to wired mode.

Diagram Description: Shows the side of the keyboard with the switch moved to the [USB cable] position.

System Switching:

Ensure the system switch on the top left of the keyboard is set to the correct system. If not selected correctly, some functions may not be usable.

Diagram Description: Shows the keyboard with a switch labeled "Mac ● Win". The switch is shown in the "Mac" position. It also shows a USB cable connecting to a laptop.