K4 Keyboard Series – Manual

Plug-and-Play

Connect the K4 keyboard to a USB port. The driver installation will start automatically.

[Visual Description: A diagram shows a USB-A connector being plugged into a USB port on a computer.]

Settings and Functions

The K4 keyboard offers a range of customization options and convenient quick keys. All settings are adjusted directly on the keyboard by pressing the FN key in combination with the desired function key.

RGB Illumination

The K4 keyboard features customizable RGB backlighting.

Background Color Cycle

Press FN + INS to start a cycle of shifting backlight colors.

[Visual Description: Icons representing the FN key and the INS key are shown with a plus sign between them, leading to an indicator for 'BACKGROUND COLOR CYCLE'.]

Fixed Background Colors

Press FN + HOME repeatedly to switch between 7 different background colors.

[Visual Description: Icons representing the FN key and the HOME key are shown with a plus sign between them, leading to an indicator for 'FIXED BACKGROUND COLORS'.]

Custom Color Zones

Press FN + PGUP for LED illumination in 6 color zones. To set the color of each zone, press FN + PGUP again. When the NUM, CAPS, and SCROLL indicator lights in the upper right corner blink, press FN + the numbers 1–6 repeatedly to adjust the colors for each zone. When finished, press FN + PGUP again.

[Visual Description: Icons representing the FN key and the PGUP key are shown with a plus sign between them, leading to an indicator for 'CUSTOM COLOR ZONES'. Images of the keyboard show various color zone configurations.]

Wave Effects

Press FN + DEL repeatedly to switch between two different wave effects.

[Visual Description: Icons representing the FN key and the DEL key are shown with a plus sign between them, leading to an indicator for 'WAVE EFFECTS'.]

Breathing Effect

Press FN + END once to start the 7-color breathing effect cycle, and press it again to lock the breathing effect at the current color.

[Visual Description: Icons representing the FN key and the END key are shown with a plus sign between them, leading to an indicator for 'BREATHING EFFECT'.]

Typing Effect

Press FN + PGDN to start a multi-color typing effect, which is visible when typing.

[Visual Description: Icons representing the FN key and the PGDN key are shown with a plus sign between them, leading to an indicator for 'TYPING EFFECT'.]

Adjust LED Brightness

Press FN + the UP ARROW / DOWN ARROW keys to increase/decrease the brightness of the LED lighting.

[Visual Description: Icons representing the FN key and the UP/DOWN arrow keys are shown with a plus sign between them, leading to an indicator for 'ADJUST LED BRIGHTNESS'.]

Adjust LED Effect Speed

Press FN + the LEFT ARROW / RIGHT ARROW keys to decrease/increase the speed of the LED effects.

[Visual Description: Icons representing the FN key and the LEFT/RIGHT arrow keys are shown with a plus sign between them, leading to an indicator for 'ADJUST LED EFFECT SPEED'.]

Other Useful Keys and Shortcuts

• FN + WIN KEY: Lock Windows key
• FN + F1–F8: Media controls
• FN + F9: E-mail
• FN + F10: Web browser
• FN + F11: Lock all keys
• FN + F12: Calculator

Troubleshooting

• Ensure the K4's USB connector is firmly attached to your computer's USB port.
• Try connecting to a different USB port.
• Try connecting to a different computer.
• To perform a factory reset, press and hold the FN key + BACKSPACE for 10 seconds.

Need Support?

If you have any questions, Xtrfy is available via email. Contact support@xtrfy.com.

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[Visual Description: The text "DESIGNED IN SWEDEN" is displayed above the Swedish flag.]

This product is designed in Sweden.