Keychron Q4 Pro Wireless Mechanical Keyboard User Manual

Keychron Q4 Pro Wireless Mechanical Keyboard

DEFAULT KEY LAYOUT

• LAYER 0: This layer will be activated when your keyboard’s system toggle is switched to Mac.
• LAYER 1: This layer will be activated when your keyboard’s system toggle is switched to Windows.
• LAYER 2: This layer will be activated when your keyboard’s system toggle is switched to Mac and press the fn/M0(2) key.!Keychron-Q4-Pro-Wireless-Mechanical-Keyboard-01 (3)
• LAYER 3: This layer will be activated when your keyboard’s system toggle is switched to Windows and press the fn/M0(3) key.!Keychron-Q4-Pro-Wireless-Mechanical-Keyboard-01 (4)
• LAYER 4 : This layer will be activated when you press the fn1/M0(4) key.

KEY DESCRIPTION

Key Description

Ser-| Screen Brightness Decrease
Ser+| Screen Brightness Increase
Bright-| Backlight Decrease
Bright+| Backlight Increase
Prvs| Previous
Play| Play/Pause
Next| Next
Mute| Mute
Vol-| Volume Decrease
Vol+| Volume Increase
RGB Toggle| Turn Backlight on/off
RGBMd+| RGB Mode Next
Key Description

RGBMd-| RGB Mode Previous
Hue+| Hue Increase
Hue-| Hue Decrease
RGB SPI| RGB Speed Increase
RGBSPD| RGB Speed Decrease
M0(1)| Layer 1 will be activated when holding this key
M0(2)| Layer 2 will be activated when holding this key
M0(3)| Layer 3 will be activated when holding this key
M0(4)| Layer 4 will be activated when holding this key
BTH1| Bluetooth Host 1
BTH2| Bluetooth Host 2
BTH3| Bluetooth Host 3

LED STATUS OVERVIEW LED

• Charging – Static Red
• Fully charged – Static Green

Bluetooth indicator| Bluetooth| Pairing – Slow Blinking Paired – Light Off Switching – Fast Blinking

FUNCTION DESCRIPTION

CHARGING

• Plug the cable into a USB port and plug the other end into the keyboard port.
• Charging Indicator: A red light will stay on while charging; Fully charged in around 5 hours, a green battery indicator will appear.
• *The Keychron keyboard is compatible with all USB ports. Please use a SV 1A adapter or USB 3.0 for the best performance. The Keychron Q4 Pro can be charged in Bluetooth/on/off mode.
• **This product supports up to SV charging voltage and 1A charging current. We are not responsible for any problems caused by improper charging.

BLUETOOTH / WIRED MODE (MODE TOGGLE SWITCH)

WIRED MODE

1. Switch the toggle switch to the Cable option (it only works when a USB cable is plugged in).
2. Connect our cable with your PC and keyboard.
3. Backlighting will be turned on.

*Under Wired Mode, keyboard will not enter into Battery Saver Mode.

BLUETOOTH MODE

1. Switch the toggle switch to the Bluetooth option.
2. Backlighting will be turned on.
3. Hold “fn+Q” key for 4 seconds to activate Bluetooth pairing (the Bluetooth indicator fast flashes for 3 minutes to detect pairing).
4. Search for the Bluetooth device “Keychron Q4 Pro” on your device and connect it (the Bluetooth indicator goes off after successful pairing).
   Note: This keyboard supports pairing up to 3 devices simultaneously via key combination “fn” + “Q” I “fn” + ‘W” I “fn” + “E~

• *The Bluetooth indicator will continue to flash for 3 minutes.
• ••stow or failed connections may exist due to different Bluetooth versions, please make sure all the settings are correct.

SWITCH BLUETOOTH DEVICES

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

RECONNECT:

1. Switch the keyboard to the Bluetooth option to activate the keyboard.
2. The Bluetooth indicator flashes for 4 seconds and automatically pairs with the last paired device.
3. If the Bluetooth 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 OFF option.

BACKLIGHT SETTING

• Short press key combination “fn” + “caps lock” to turn the backlight on/off.
• Short press key combination “fn” + “N’ I “fn” + “Z” to switch between different types of lighting effects.

OS TOGGLE SWITCH

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, keys are used for “Windows” and “Alt” functions.

3. INPUT METHOD SWITCH

4. ForiOS :

5. Input method switch : Ctrl + Space

6. Caps Lock : Caps (Enable General>Keyboards>Hardware Keyboard>Caps Lock Language Switch)

7. For Android:

8. Input method switch : Shift+ Space

NOTE: Functions of certain multimedia key may be disabled due to compatibility, versions, brands and drivers of Windows/Android OS. We also recommend not to switch OS frequently as it may impact keyboard operations.

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.
• Note: On a Windows computer, a new Bluetooth connection will sometimes require additional software updates-a process that may still be ongoing after a message appears indicating a successful completion. Wait at least 20 minutes after pairing to make sure all updates are completed before restarting the computer.
• Confirm that the device is configured to accept Bluetooth connections (Windows) and supports an external keyboard (HID profile).
• Go to Bluetooth Devices > Open Settings and select the following:
  • Allow Bluetooth devices to find this computer
  • Allow Bluetooth devices to connect to this computer
  • Alert me when a Bluetooth device wants to connect

My keyboard isn’t working.

• 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.
  • Bluetooth connection is interrupted even within 10 meters.
  • Check if the keyboard is resting on a metal surface that can interfere with the Bluetooth signal.
  • 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.
• 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:
• Function keys:

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(S°F) or above 50°C(131°F) to preserve the lifespan of the keyboard.

FCC Warning

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.

Keychron, Inc.
Dover, DE 19901, United States

Find us at:

• https://www.keychron.com

• Support@keychron.com

• Designed by Keychron

Made in China

Documents / Resources

| Keychron Q4 Pro Wireless Mechanical Keyboard [pdf] User Manual
Q4 Pro Wireless Mechanical Keyboard, Q4 Pro, Wireless Mechanical Keyboard, Mechanical Keyboard, Keyboard
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