YUNZII AL75 PRO 75% Wireless Mechanical Gaming Keyboard User Manual

1. Product Overview

The YUNZII AL75 PRO is a 75% layout wireless mechanical keyboard featuring 80 keys. It is constructed from CNC-machined aluminum, offering durability and a premium typing experience. This keyboard supports multi-device connectivity via Bluetooth, 2.4GHz wireless, and wired USB-C connections, making it versatile for various operating systems including Mac and Windows.

Image: YUNZII AL75 PRO keyboard with its bottom plate detached, showcasing the internal structure and RGB lighting.

Key Features:

• CNC Aluminum Construction: Crafted from anodized aluminum for exceptional durability and a premium feel.
• Tri-Mode Connectivity: Supports Bluetooth, 2.4GHz wireless, and wired USB-C connections for versatile use across multiple devices.
• Gasket Mount Structure: Provides cushioning for enhanced typing consistency and comfort, reducing typing noise.
• 4-Layer Sound Absorbing Design: Incorporates sandwich foam and PET sound padding to dampen vibrations and muffle keyboard noise.
• Hot-Swappable Sockets: Allows for easy replacement of 3-pin or 5-pin mechanical switches without soldering.
• Double Shot PBT Keycaps: Ensures long-lasting durability and resistance to wear.
• South-facing RGB Backlight: Bright, customizable RGB lighting effects adjustable via shortcuts and programmable software.
• Programmable Software: Customize RGB effects, key assignments, and macro recording for personalized settings.

2. Package Contents

Upon opening the YUNZII AL75 PRO package, verify that all components are present:

Image: YUNZII AL75 PRO keyboard and its accessories, including a USB-C cable, switch and keycap puller, function card, 2.4G dongle, dust cover, and extra keycaps and switches.

• YUNZII AL75 PRO Keyboard
• USB Cable for Type-C
• Switch and Keycap Puller
• Function Card & Manual
• 2.4G Dongle
• Dust Cover
• Extra Keycaps and Switches

3. Setup Instructions

3.1. Connectivity Modes

The AL75 PRO keyboard offers three connectivity options: Bluetooth, 2.4GHz wireless, and wired USB-C. A switch located on the back of the keyboard allows you to select the desired mode.

Image: YUNZII AL75 PRO keyboard connected to multiple devices including a laptop, tablet, and smartphone, illustrating its multi-device and tri-mode connectivity.

3.2. Bluetooth Mode

1. Switch the mode button on the back of the keyboard to the Bluetooth (BT) position.
2. Short press Fn + 1/2/3 to select a Bluetooth channel. The corresponding LED will flash slowly.
3. On your device (PC, laptop, smartphone), enable Bluetooth and search for 'YUNZII AL75 BT1/BT2/BT3'.
4. Select the keyboard to pair. Once connected successfully, the RGB lighting will stay on.

3.3. 2.4GHz Wireless Mode

1. Switch the mode button on the back of the keyboard to the 2.4G wireless position.
2. Short press Fn + 4. The corresponding LED will flash slowly.
3. Plug the 2.4G dongle into your device's USB port.
4. The keyboard will automatically connect. Once connected successfully, the RGB lighting will stay on.

3.4. Wired Mode

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

Image: Detailed instructions for connecting the YUNZII AL75 PRO keyboard in Bluetooth and 2.4GHz wireless modes, showing button presses and LED indicators.

4. Operating Instructions

4.1. RGB Backlight Control

The AL75 PRO features a south-facing RGB backlight with 18 effects and 7 colors. You can adjust these settings using keyboard shortcuts:

• Fn + \|: Change RGB effect.
• Fn + =+: Change RGB color.

Image: YUNZII AL75 PRO keyboard displaying vibrant RGB backlighting, with a hand demonstrating how to change lighting effects.

4.2. Programmable Software

For advanced customization, download the dedicated software from the YUNZII official website. This software allows you to:

• Customize RGB lighting effects.
• Remap keys to improve efficiency.
• Create and edit macros for complex commands.

Image: A computer screen showing the YUNZII AL75 PRO programmable software interface, with options for key remapping, macro editing, and RGB design.

4.3. Hot-Swappable Switches

The AL75 PRO features hot-swappable sockets compatible with most 3-pin and 5-pin mechanical switches. This allows you to easily change switches to personalize your typing feel without soldering.

Image: A close-up of the YUNZII AL75 PRO keyboard showing a keycap and switch being removed with a puller, highlighting the hot-swappable feature and south-facing LEDs.

4.4. Typing Sound Demonstrations

Experience the distinct typing sounds of different switch types available for the AL75 PRO:

5. Maintenance

5.1. Cleaning the Keyboard

• Disconnect the keyboard from all devices before cleaning.
• Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the keycaps and chassis.
• For dust and debris between keycaps, use compressed air.
• Avoid using harsh chemicals or abrasive materials that could damage the finish.

5.2. Keycap and Switch Replacement

Utilize the provided keycap and switch puller for safe removal and installation:

• Keycap Removal: Gently attach the keycap puller to the keycap and pull upwards evenly.
• Switch Removal: Use the switch puller to grip the top and bottom clips of the switch, then pull vertically.
• Switch Installation: Align the pins of the new switch with the holes on the PCB and press down firmly until it clicks into place. Ensure pins are not bent.
• Keycap Installation: Align the keycap over the switch stem and press down gently.

6. Troubleshooting

6.1. Connectivity Issues

• Keyboard not connecting: Ensure the mode switch (Bluetooth/2.4G/Wired) is in the correct position. For wireless modes, check if the keyboard is charged.
• Bluetooth pairing failure: Delete previous pairings on your device and try pairing again. Ensure the keyboard is in pairing mode (LED flashing slowly).
• 2.4GHz dongle not recognized: Try plugging the dongle into a different USB port. Ensure the keyboard is in 2.4G mode.

6.2. RGB Lighting Problems

• RGB not working: Check if the keyboard is powered on and charged. Ensure no software settings have disabled the lighting.
• Incorrect RGB effects: Use the Fn key combinations to cycle through effects or adjust settings via the programmable software.

6.3. Key Input Issues

• Keys not responding: Check if the switches are properly seated. If a specific switch is faulty, replace it using the hot-swap feature.
• Ghosting or incorrect inputs: Ensure the keyboard firmware is up to date. Try resetting the keyboard to factory defaults if issues persist.

7. Specifications

8. Warranty and Support

For warranty information, product support, or any inquiries, please contact YUNZII customer service. You can typically find detailed warranty terms on the official YUNZII website or within the product packaging.

Image: Steps to contact YUNZII customer support through Amazon.

If you purchased your product through Amazon, you can reach out to the seller directly:

1. Visit the YUNZII product page on Amazon.
2. Select the seller's name, typically 'Yunzii Keyboard'.
3. Click 'Ask a question' to send a message.

For issues with an existing order, go to 'Your Orders', select 'Problem with order', and send a message.