KZZI K20 Mechanical Wireless Numeric Keypad User Manual

Introduction

This manual provides detailed instructions for the setup, operation, and maintenance of your KZZI K20 Mechanical Wireless Numeric Keypad. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

Product Overview

Key Features:

• Durable & Portable Design: Constructed with a premium aluminum knob and ABS cover, weighing only 0.6 lbs. Dimensions: 5.19 x 3.5 x 1.49 inches.
• Triple-Mode Connectivity: Supports 2.4GHz USB wireless, Bluetooth 5.0 (connect up to 3 devices simultaneously), and wired USB Type-C connections.
• Ergonomic Comfort: Features a 15° ergonomic tilt for comfortable and sensitive typing performance.
• Long-Lasting Rechargeable Battery: Equipped with a built-in 2000mAh battery, providing up to 250 hours of use with backlighting off, and easily rechargeable via USB Type-C.
• Hot-Swappable Switches: Allows for easy customization and replacement of 3-pin/5-pin mechanical switches.
• Multifunction Knob: Control volume, backlight modes, and mouse scroll wheel functions.
• Wide Compatibility: Compatible with Mac OS, iOS, Windows, Linux, and Android operating systems.

Package Contents:

• KZZI K20 Numeric Keypad
• USB Type-C Cable
• 2.4GHz USB Receiver
• Keycap Puller
• Switch Puller
• User Manual

Video: An overview of the KZZI K20 Wireless Numeric Keypad, highlighting its portable design and 19-key layout.

Setup & Installation

1. Charging the Keypad:

Before first use, fully charge the keypad using the provided USB Type-C cable. Connect the cable to the keypad's USB-C port and a power source (e.g., computer USB port, USB wall adapter). The charging indicator will show the charging status.

Image: KZZI K20 Numeric Keypad connected via USB-C for charging, highlighting the built-in rechargeable battery for long usage.

2. Connecting the Keypad:

The KZZI K20 offers three connection modes: 2.4GHz wireless, Bluetooth 5.0, and wired USB Type-C.

2.1. 2.4GHz Wireless Mode:

1. Locate the 2.4GHz USB receiver, usually stored in a compartment on the keypad.
2. Plug the USB receiver into an available USB port on your computer.
3. Slide the mode switch on the side of the keypad to the "G" (2.4GHz) position.
4. The keypad should automatically connect to your device.

2.2. Bluetooth 5.0 Mode:

1. Slide the mode switch on the side of the keypad to the "B" (Bluetooth) position.
2. On your device (computer, tablet, smartphone), open Bluetooth settings.
3. Press and hold the FN + 1 (or 2, 3) keys on the keypad for 3-5 seconds until the indicator light flashes rapidly, indicating pairing mode.
4. Select "KZZI K20" from the list of available Bluetooth devices on your screen to pair.
5. You can pair up to three different devices and switch between them using FN + 1, FN + 2, or FN + 3.

2.3. Wired Mode:

1. Connect the USB Type-C cable directly from the keypad to your computer's USB port.
2. The keypad will automatically switch to wired mode and begin charging.

Image: KZZI K20 Numeric Keypad demonstrating its 2.4GHz, Bluetooth, and wired connection options for multiple devices.

Operating Instructions

1. Basic Key Functions:

The K20 keypad features standard numeric keys (0-9), arithmetic operators (+, -, *, /), Enter, and Backspace. The NUM key toggles the numeric lock function.

2. Multifunction Knob:

The aluminum alloy knob provides versatile control:

• Volume Mode: Rotate to adjust system volume. Press to mute/unmute.
• Backlight Mode: Rotate to cycle through backlight effects. Press to change backlight color.
• Mouse Scroll Wheel Mode: Rotate to scroll up/down. Press to click.

To switch between knob modes, press and hold the knob for 3 seconds. The indicator light will change to confirm the mode.

Image: Multifunction knob on the KZZI K20, illustrating its capabilities for volume, backlight, and mouse scroll control.

3. Backlight Control:

The K20 features customizable RGB backlighting. Use the multifunction knob to adjust effects and colors. Additionally, specific key combinations can control backlighting:

• FN + /: Toggle backlight mode.
• FN + X: Toggle backlight color.
• FN + -: Decrease backlight brightness.
• FN + +: Increase backlight brightness.

Video: Demonstration of the KZZI K20 Numeric Keypad's RGB backlighting effects and color changes, showcasing its customizable illumination.

Customization

1. Hot-Swappable Switches:

The K20 keypad supports hot-swappable 3-pin and 5-pin mechanical switches. This allows you to easily change switches without soldering, customizing your typing feel.

1. Use the provided switch puller to carefully remove the existing switch.
2. Align the pins of the new switch with the sockets on the PCB.
3. Gently press the new switch into place until it clicks. Ensure it is seated properly to avoid bent pins.

Image: Hot-swappable switches on the KZZI K20 Numeric Keypad, showing how users can easily change 3-pin/5-pin switches for a personalized typing experience.

2. Keycap Replacement:

You can replace keycaps to personalize the keypad's appearance.

1. Use the provided keycap puller to gently remove the desired keycap.
2. Align the new keycap with the switch stem and press down firmly until it is securely attached.

Video: A demonstration of changing keycaps and switches on the KZZI K20 Numeric Keypad, highlighting its customization options.

3. Software Customization:

The K20 keypad supports custom software for advanced personalization of key assignments, macros, and lighting effects. Refer to the official KZZI website for software download and detailed instructions.

Maintenance

• Cleaning: Use a soft, dry cloth to wipe the keypad. For deeper cleaning, remove keycaps and use compressed air to clear debris. Avoid using harsh chemicals or abrasive materials.
• Battery Care: To prolong battery life, avoid fully discharging the keypad frequently. Charge it regularly, especially if not used for extended periods.
• Storage: Store the keypad in a cool, dry place away from direct sunlight and extreme temperatures.

Troubleshooting

Specifications

Image: Detailed dimensions of the KZZI K20 Numeric Keypad for reference.

Warranty & Support

KZZI provides a 1-year warranty for this product. For technical support, warranty claims, or further assistance, please visit the official KZZI website or contact their customer service directly. Please retain your proof of purchase for warranty validation.

For more information, visit the KZZI Store on Amazon.