EPOMAKER RT82 Mechanical Keyboard User Manual

1. Introduction

The EPOMAKER RT82 is a 75% layout mechanical keyboard designed for enthusiasts and professionals seeking customization, versatility, and a premium typing experience. Featuring QMK/VIA programmability, hot-swappable switches, tri-mode connectivity, and a unique detachable LCD screen, the RT82 offers advanced functionality and ergonomic comfort.

2. Package Contents

Please check the box for the following items:

• 1x RT82 Mechanical Gaming Keyboard
• 1x Detachable Mini TV
• 1x Detachable USB A to C Cable
• 1x 2.4Ghz Wireless Receiver (Stored on Keyboard)
• 1x 2-in-1 Switch-and-Keycap Puller
• 1x Multilingual Manual
• 3x Additional Keycap for Mac
• 2x Additional Switches

3. Setup Guide

3.1 Initial Connection

The RT82 keyboard supports three connection modes: Wired (USB-C), 2.4GHz Wireless, and Bluetooth. You can switch between modes using the dedicated switch near the USB port or via function keys.

Wired Mode:

1. Connect the provided USB A-to-C cable to the keyboard's USB-C port and your computer's USB-A port.
2. The keyboard will automatically be detected and ready for use.

2.4GHz Wireless Mode:

1. Locate the 2.4GHz wireless receiver, usually stored in a slot on the keyboard.
2. Plug the receiver into an available USB-A port on your computer.
3. Press FN + R (short-press) to connect. For pairing, long-press FN + R.

Bluetooth Mode:

1. Ensure your device's Bluetooth is enabled.
2. Press FN + Q, FN + W, or FN + E (short-press) to select a Bluetooth channel.
3. For pairing, long-press the selected FN + Q/W/E combination until the indicator light flashes, indicating pairing mode.
4. On your device, search for "EPOMAKER RT82" and connect.

3.2 Detachable Mini TV Setup

The RT82 features a magnetically detachable LCD screen. Simply place the mini TV onto the designated magnetic slot above the 'Home' key. It will automatically connect and display information.

4. Operating Instructions

4.1 Quick Start Function Keys

The RT82 keyboard utilizes a combination of the Function (FN) key and other keys for various controls:

• FN + A/S: Switch between Windows (WIN) and Mac Mode.
• FN + Q/W/E: Bluetooth Mode (Short-Press to Connect, Long-Press to Pair).
• FN + R: 2.4Ghz Mode (Short-Press to Connect, Long-Press to Pair).
• FN + X: Turn ON/OFF the LCD Screen.
• FN + C: Reset Screen (if screen turns black).
• FN + ENTER: Change Display Modes on the LCD Screen.
• FN + R_Shift: Browse Pictures on the LCD Screen.
• FN + Backspace: Turn ON/OFF All Lights.
• FN + \|: Toggle Backlight Effects.
• FN + Arrow Keys: Change Backlight’s Brightness and Speed.
• FN + [{}]: Change Backlight’s Hue/Colors.
• FN + ;:’”: Change Backlight’s Saturation.
• FN + SPACE: Factory Reset the Keyboard (Hold for 3 Seconds).
• FN + DEL: INS
• FN + HOME: END
• FN + I: PRTSC
• FN + O: SCROLL LOCK
• FN + P: PAUSE
• FN + WIN: Lock/Unlock WIN Key (Enable/Disable the WIN Key).

4.2 LCD Screen Functions

The detachable LCD screen provides real-time information and customization options:

• Home Screen: Displays date, time, and keyboard battery status.
• DIY Pictures or GIFs: Upload up to 3 custom GIFs or images via web-based software to personalize your screen.
• Type-Writer Mode: Shows each letter input on the screen in real-time, enhancing the typing experience.

5. Customization

5.1 QMK/VIA Programmability

The RT82 is fully compatible with QMK firmware and VIA software, allowing for extensive customization:

• Key Remapping: Reassign any key to suit your workflow.
• Macros: Create complex command sequences for increased productivity.
• Layers: Configure multiple key layers for different functions or applications.
• Lighting: Customize RGB backlight effects, colors, and brightness.

To use VIA, download the software from the official VIA website and connect your keyboard in wired mode. The software will automatically detect the RT82.

5.2 Hot-Swappable Switches

The RT82 features a hot-swappable PCBA, compatible with 3/5-pin mechanical switches. This allows you to easily change switches without soldering to customize your typing feel.

1. Use the provided 2-in-1 switch-and-keycap puller to carefully remove the keycap.
2. Use the switch puller to gently extract the switch from the PCB.
3. Align the pins of the new switch with the sockets on the PCB and press firmly until it clicks into place.
4. Replace the keycap.

5.3 RGB Backlighting

The RT82 features dynamic RGB backlighting with south-facing per-key LEDs. Customize effects, colors, brightness, hue, and saturation using the FN key combinations listed in section 4.1.

6. Maintenance

6.1 Cleaning the Keyboard

• Turn off the keyboard and disconnect it from your computer.
• Use a keycap puller to remove keycaps for thorough cleaning.
• Use a soft brush or compressed air to remove dust and debris from between the keys.
• Wipe keycaps and the keyboard surface with a slightly damp, lint-free cloth. Avoid excessive moisture.
• For stubborn stains, use a small amount of isopropyl alcohol on a cloth.
• Ensure all parts are completely dry before reassembling and reconnecting.

6.2 Battery Care

• Avoid exposing the keyboard to extreme temperatures.
• Charge the keyboard regularly, but avoid leaving it fully charged or fully depleted for extended periods.
• If storing the keyboard for a long time, charge it to about 50% and store in a cool, dry place.

7. Troubleshooting

7.1 Connectivity Issues

• Keyboard not responding in wireless mode:
  • Ensure the keyboard is charged.
  • Verify the correct mode (2.4GHz or Bluetooth) is selected using the switch or FN key combinations.
  • For 2.4GHz, ensure the receiver is securely plugged in and try a different USB port. Re-pair by long-pressing FN + R.
  • For Bluetooth, ensure your device's Bluetooth is on and the keyboard is in pairing mode (long-press FN + Q/W/E). Try removing and re-pairing the device in your computer's Bluetooth settings.
  • Test in wired mode to confirm basic keyboard functionality.
• High Latency:
  • For critical applications like gaming, use wired mode for the lowest latency (3ms).
  • 2.4GHz wireless offers low latency (5ms) but can be affected by interference.
  • Bluetooth mode has higher latency (15ms) and is generally not recommended for competitive gaming.

7.2 LCD Screen Issues

• Screen is blank or unresponsive:
  • Ensure the mini TV is securely attached to its magnetic slot.
  • Press FN + X to toggle the screen on/off.
  • Press FN + C to reset the screen.
  • Check keyboard battery level.

7.3 Keyboard Not Charging

• Ensure the USB-C cable is properly connected to both the keyboard and a power source.
• Try a different USB-C cable or USB port.
• Verify the power source is functional.

7.4 Factory Reset

If you encounter persistent issues, a factory reset may resolve them. Hold FN + SPACE for 3 seconds to perform a factory reset.

8. Specifications

8.1 EPOMAKER Creamy Jade Switch Specifications:

• Switch Type: 5-pin Mechanical Switch, Linear, Pre-Lubed
• Trigger Force: 45±5gf
• Bottom-out Force: 50±5gf
• Pre-Travel: 2.0±0.4mm
• Total Travel: 3.6±0.4mm
• Light Diffuser: No Light Diffuser

9. User Tips

• Color Perception: The keyboard's base color is often described as a retro yellowish-white. Please note that actual color may vary slightly from images due to lighting and screen settings.
• Customizing LCD: Explore the web-based software for uploading custom GIFs to the mini TV for a personalized touch.
• Ergonomics: Utilize the adjustable kickstands to find your preferred typing angle (5, 7.5, or 11 degrees) to maximize comfort during long sessions.

10. Warranty and Support

EPOMAKER products are designed for durability and performance. For warranty information, technical support, or service inquiries, please refer to the official EPOMAKER website or contact their customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.