Redragon K728 PRO SE Gaming Keyboard User Manual

Product Overview

The Redragon K728 PRO SE is an 80% (TKL) mechanical gaming keyboard featuring a unique anime-themed design, advanced 3-mode connectivity, and a gasket-mounted structure for enhanced typing feel. It is equipped with custom Hi-Fi linear switches and multi-layer noise dampening for a satisfying acoustic experience.

Figure 1: Front view of the Redragon K728 PRO SE keyboard in Nova Azure (Anime Version), showcasing its unique keycap design and compact layout.

This keyboard is designed for both gaming and productivity, offering a blend of aesthetic appeal, robust build quality, and versatile functionality. Its hot-swappable sockets allow for easy switch customization, and the comprehensive software provides extensive control over lighting and key assignments.

Package Contents

Please ensure all items are present in the package:

• Redragon K728 PRO SE Gaming Keyboard
• USB-C to USB-A Cable
• Keycap Puller
• Switch Puller
• Spare Switches (quantity may vary)
• User Manual (this document)

Setup Guide

1. Initial Charging

Before first use, it is recommended to fully charge the keyboard. Connect the provided USB-C cable to the keyboard's port and the other end to a powered USB port (e.g., computer, USB wall adapter). The keyboard features a 4000 mAh battery.

2. Connection Modes

The Redragon K728 PRO SE supports three connection modes:

• USB-C Wired Mode: Connect the keyboard directly to your computer using the provided USB-C cable. This mode also charges the keyboard.
• 2.4GHz Wireless Mode: Insert the 2.4GHz USB dongle into an available USB port on your computer. The keyboard should automatically connect.
• Bluetooth Mode:
  1. Switch the keyboard to Bluetooth mode using the switch on the back or side of the keyboard.
  2. On your device (PC, laptop, tablet), enable Bluetooth and search for new devices.
  3. Select "Redragon K728 PRO SE" from the list of available devices to pair.
  4. The keyboard supports BT 3.0/5.0.

Figure 2: The keyboard connected to a monitor, tablet, and smartphone, illustrating its versatile 3-mode connectivity options (2.4G, Wired, Bluetooth).

3. Software Installation (Optional)

For advanced customization, including macro editing, RGB backlight control, and key redefinition, download the Redragon Pro Software from the official Redragon website. This software allows you to personalize your keyboard experience.

Figure 3: Screenshot of the Redragon Pro Software interface, demonstrating options for macro editing, RGB backlight customization, and key redefinition.

Operating Instructions

Basic Keyboard Functions

The K728 PRO SE features an 80% TKL layout, providing essential keys while saving desktop space. Standard key functions operate as expected. The keyboard's gasket design and 5-layer noise dampening contribute to a soft and creamy typing feel.

Figure 4: The compact 80% TKL layout of the Redragon K728 PRO SE, shown alongside a mouse, highlighting its space-saving design ideal for gaming setups.

Figure 5: An exploded diagram illustrating the internal components of the keyboard, including the TPR Gasket, PC Slotting Positioning Board, various foam layers (PO, IXPE, Bottom Socket), PET Sound Pad, South-Facing LED PCB Board, and Silicone Dampener, all contributing to its "Creamy Gasket" feel and noise dampening.

RGB Lighting Control

The keyboard features vibrant RGB backlighting with south-facing LEDs for enhanced illumination. Lighting modes and brightness can be adjusted using keyboard shortcuts (refer to the quick start guide for specific key combinations) or through the Redragon Pro Software.

Figure 6: A close-up view of the keyboard's dye-sublimated anime-themed PBT keycaps and the south-facing LED sockets, which provide superior RGB lighting visibility.

Battery Level Check

To check the current battery level, press the FN key combined with the designated battery check key (usually indicated by a battery icon or specific number keys). The keyboard's lighting will indicate the charge level (e.g., 30%, 50%, 100%).

Figure 7: Visual representation of how to check the keyboard's battery level using the FN key combination, showing different lighting indicators for 30%, 50%, and 100% charge.

Maintenance

Cleaning the Keyboard

To maintain optimal performance and appearance:

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

Keycap and Switch Replacement

The Redragon K728 PRO SE features hot-swappable sockets, allowing for easy replacement of switches without soldering. It is compatible with most 3-pin and 5-pin mechanical switches.

• Removing Keycaps: Use the provided keycap puller to gently pull keycaps straight up.
• Removing Switches: Use the provided switch puller. Align the prongs of the puller with the clips on the top and bottom of the switch, squeeze gently, and pull the switch straight up.
• Installing Switches: Align the pins of the new switch with the holes on the PCB. Gently push the switch down until it clicks into place. Ensure pins are straight to avoid bending.
• Installing Keycaps: Align the keycap with the switch stem and push down firmly until it is seated.

Figure 8: Detailed view of the custom linear switch components and the hot-swappable socket design, illustrating how switches can be easily removed and replaced.

Troubleshooting

Keyboard Not Responding

• Wired Mode: Ensure the USB-C cable is securely connected to both the keyboard and the computer. Try a different USB port or cable.
• 2.4GHz Wireless Mode: Ensure the USB dongle is properly inserted. Try re-pairing by turning the keyboard off and on, then re-inserting the dongle.
• Bluetooth Mode: Check if Bluetooth is enabled on your device and the keyboard is paired. Try unpairing and re-pairing the keyboard. Ensure the keyboard is in Bluetooth mode.
• Low Battery: Charge the keyboard.

Specific Keys Not Working

• Reset Keyboard: Perform a factory reset by holding down FN + ESC for five seconds. This can resolve many software-related key issues.
• Check Switch: If a specific key is not working, the switch might be faulty or improperly seated. Use the switch puller to remove the switch and re-insert it firmly. If the issue persists, replace the switch with one of the spare switches provided.

RGB Lighting Issues

• Ensure the keyboard is powered on and not in a low-power state.
• Check lighting settings via keyboard shortcuts or the Redragon Pro Software.
• Perform a keyboard reset (FN + ESC).

Specifications

Warranty and Support

Redragon products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please visit the official Redragon website or contact their customer support directly. Keep your purchase receipt as proof of purchase for warranty claims.

Official Redragon Website: www.redragonshop.com