KZZI K75 PRO RGB 75% Wireless Gasket Mechanical Keyboard User Manual

Introduction

The KZZI K75 PRO RGB 75% Wireless Gasket Mechanical Keyboard is designed for an enhanced typing and gaming experience. It features a gasket mount structure for a softer feel, triple-mode connectivity (Bluetooth 5.0, 2.4GHz wireless, and USB-C wired), and hot-swappable switches for customization. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance of your keyboard.

Figure 1: KZZI K75 PRO RGB 75% Wireless Gasket Mechanical Keyboard overview.

What's in the Box

Please check the contents of your package to ensure all items are present:

• K75 Gasket Keyboard
• 2-in-1 USB Cable (1.8m)
• Dust Cover
• 2-in-1 Keycap & Switch Puller
• 4 Replacement Switches

Figure 2: Included accessories with the K75 PRO keyboard.

Setup

1. Initial Charging

Before first use, it is recommended to fully charge the keyboard. Connect the provided USB-C cable to the keyboard's charging port and the other end to a USB power source (e.g., computer USB port, wall adapter). The LED power display will indicate charging status. A full charge typically takes 6-7 hours.

2. Connectivity Modes

The K75 PRO keyboard supports three connection modes: USB-C wired, 2.4GHz wireless, and Bluetooth 5.0. Use the sensitive knob on the keyboard to easily switch between these modes.

• USB-C Wired Mode: Connect the provided USB-C cable to the keyboard's dedicated wired port (the first Type-C port on the left) and to your computer. The keyboard will be recognized automatically.
• 2.4GHz Wireless Mode:
  1. Locate the 2.4GHz USB dongle, usually stored in a compartment on the keyboard.
  2. Plug the dongle into an available USB port on your computer.
  3. Switch the keyboard's mode knob to the 2.4GHz position. The keyboard should connect automatically.
• Bluetooth 5.0 Wireless Mode:
  1. Switch the keyboard's mode knob to the Bluetooth position.
  2. On your device (computer, tablet, smartphone), enable Bluetooth and search for new devices.
  3. Select "K75 PRO" (or similar name) from the list of available devices to pair.
  4. The keyboard supports multiple Bluetooth profiles, allowing connection to several devices. Refer to the keyboard's specific key combinations for switching between paired Bluetooth devices (e.g., Fn + 1/2/3).

Figure 3: The 3-mode toggle switch allows easy switching between devices and connection types.

Operating Instructions

1. Gasket Mount Structure

The K75 PRO features a gasket mount design with a 1.2mm slotted PCB and four high-quality sound-absorbing layers. This construction creates a cushioned typing experience, reducing harsh impacts and providing a consistent, softer feel with pleasing acoustic feedback. This design contributes to the keyboard's unique sound profile and comfortable use.

Figure 4: Exploded view of the gasket mount structure and sound dampening layers.

2. Hot-Swappable Switches

The keyboard's hot-swappable PCB is compatible with both 3-pin and 5-pin mechanical switches, allowing users to easily change switches without soldering. This feature enables customization of typing feel and sound. The pre-lubed Moment Linear switches (or Eternity Tactile switches, depending on model) provide a smooth and responsive experience.

Figure 5: Hot-swappable PCB allows for easy switch replacement.

3. LED Power Display

The keyboard features an integrated LED display that shows the current battery level, eliminating guesswork about remaining power. The 3750mAh battery provides extended usage times: up to 200 hours with backlighting off and approximately 30 hours with backlighting on.

Figure 6: Visible power display for convenient battery monitoring.

4. Extra Hub Ports

The K75 PRO includes one USB-A port and two USB-C ports (one for wired connection, one for data/charging peripherals) for convenient connection of additional devices such as a mouse or USB flash drive. This enhances the keyboard's utility as a central hub for your desktop setup.

5. Programmable Software Support

Utilize the dedicated software driver to customize your keyboard. This software allows you to:

• Create custom keyboard shortcuts.
• Set up macros for complex command sequences.
• Personalize the RGB backlight effects, including colors, patterns, and brightness.

Refer to the software's interface for detailed instructions on customization options.

Figure 7: Software interface for customizing keyboard functions and RGB lighting.

Maintenance

Proper maintenance ensures the longevity and performance of your K75 PRO keyboard:

• Cleaning: Use a soft, dry cloth to wipe down the keycaps and chassis. For deeper cleaning, use a can of compressed air to remove dust and debris from between the keys. If necessary, gently remove keycaps using the provided keycap puller for thorough cleaning.
• Storage: When not in use, especially for extended periods, store the keyboard in a cool, dry place. Use the included dust cover to protect it from dust accumulation.
• Battery Care: Avoid fully discharging the battery frequently. For optimal battery health, charge it when the power display indicates a low level. If storing for a long time, charge the battery to about 50% to prevent deep discharge.
• Avoid Liquids: Keep liquids away from the keyboard to prevent damage to internal components. In case of spills, immediately disconnect the keyboard and allow it to dry completely before reconnecting.

Troubleshooting

If you encounter issues with your K75 PRO keyboard, refer to the following common solutions:

Specifications

Warranty and Support

KZZI products are manufactured to high quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official KZZI website. Keep your proof of purchase for warranty claims.