EPOMAKER TH40 QMK/VIA Mechanical Keyboard User Manual

Introduction

The EPOMAKER TH40 is an ultra-compact 40% layout mechanical keyboard designed for efficiency and customization. It features QMK/VIA programmability, tri-mode connectivity (wired, Bluetooth, 2.4G wireless), hot-swappable switches, and dynamic RGB lighting. This manual provides detailed instructions for setting up, operating, and maintaining your TH40 keyboard.

Key Features

• Ultra-Compact 40% Layout: Minimalistic design for portability and efficiency, featuring a split space bar.
• QMK/VIA Programmability: Advanced customization for key remapping, macros, and RGB lighting effects across multiple layers.
• Advanced Gasket Design: Incorporates Poron plate foam, an IXPE black switch pad, and bottom Poron foam, all contributing to a more satisfying acoustic and tactile typing experience.
• Tri-Mode Connectivity: Supports wired (USB Type-C), Bluetooth, and 2.4GHz wireless connections for versatile device compatibility.
• Hot-Swappable PCB: Compatible with 3-pin and 5-pin mechanical switches, allowing for easy switch customization without soldering.
• South-Facing RGB: Customizable per-key RGB lighting with various effects.
• Full N-Key Rollover (NKRO): Ensures all keystrokes are registered accurately, even during rapid typing or gaming.
• PBT Plastic Keycaps: Durable keycap material for longevity and a premium feel.

Package Contents

Please check the box for the following items:

• EPOMAKER TH40 Mechanical Keyboard
• USB Type-C Cable
• User Manual
• Keycap Puller (may be included)
• Switch Puller (may be included)
• 2.4G Wireless Receiver (if applicable to your model)

Setup Guide

1. Charging the Keyboard

Before first use, it is recommended to fully charge the keyboard. Connect the provided USB Type-C cable to the keyboard's USB-C port and the other end to a powered USB port on your computer or a USB wall adapter. The charging indicator will show the charging status.

2. Connectivity Modes

The TH40 supports three connection modes: Wired, 2.4GHz Wireless, and Bluetooth.

2.1 Wired Connection

1. Connect the USB Type-C cable to the keyboard and your computer.
2. The keyboard will automatically switch to wired mode.

2.2 2.4GHz Wireless Connection

1. Locate the 2.4G wireless receiver (dongle).
2. Plug the 2.4G receiver into an available USB port on your computer.
3. On the keyboard, press Fn + F to activate 2.4GHz wireless mode. The indicator light will confirm the connection.

2.3 Bluetooth Connection

1. On the keyboard, press and hold Fn + A, Fn + S, or Fn + D for 3-5 seconds to enter Bluetooth pairing mode for one of the three available profiles. The indicator light will flash rapidly.
2. On your device (computer, tablet, phone), open Bluetooth settings and search for "EPOMAKER TH40".
3. Select the keyboard to pair. Once connected, the indicator light will stop flashing and remain solid.
4. To switch between paired Bluetooth devices, press Fn + A, Fn + S, or Fn + D briefly.

3. Initial Configuration (QMK/VIA)

For advanced customization, download the QMK/VIA software from the official EPOMAKER website. This software allows you to remap keys, create macros, and adjust RGB lighting effects.

Operating Instructions

1. Basic Key Functions

Due to its 40% compact layout, many functions are accessed via the Fn key and key layers.

• Fn Key: Press and hold the Fn key to access secondary functions printed on the keycaps.
• Split Spacebar: The split spacebar design allows for more ergonomic thumb placement and can be customized via QMK/VIA.

2. RGB Lighting Control

The TH40 features South-facing RGB LEDs with customizable lighting effects. Use the QMK/VIA software to configure various lighting modes, colors, and brightness levels.

3. Hot-Swappable Switches

The keyboard's PCB is hot-swappable, allowing you to change mechanical switches without soldering. This supports both 3-pin and 5-pin switches.

1. Use the provided switch puller to carefully remove the existing switch.
2. Align the pins of the new switch with the holes on the PCB.
3. Gently press the new switch into place until it clicks. Ensure pins are not bent.

Maintenance

1. Cleaning the Keyboard

• Use a soft, dry cloth to wipe down the keycaps and case.
• For deeper cleaning, remove keycaps using a keycap puller and use compressed air to clear debris from between switches.
• Avoid using harsh chemicals or abrasive materials.

2. Battery Care

• Avoid fully discharging the battery frequently.
• Store the keyboard in a cool, dry place if not used for extended periods.
• Use the provided USB cable for charging to ensure compatibility.

Troubleshooting

1. 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 2.4G receiver is plugged in and the keyboard is in 2.4GHz mode (Fn + F). Re-pair if necessary.
• Bluetooth Mode: Ensure Bluetooth is enabled on your device and the keyboard is paired (Fn + A/S/D). Try re-pairing the device. Check battery level.
• Battery: Charge the keyboard fully.

2. Keys Not Registering or Double Typing

• Hot-Swappable Switches: Carefully remove the affected switch using the switch puller. Check if the pins are bent. Straighten them if necessary and reinsert the switch firmly.
• Debris: Clean under the keycap and around the switch with compressed air.

3. RGB Lighting Issues

• Ensure the keyboard is powered on and charged.
• Check QMK/VIA software settings for RGB configuration.
• Perform a factory reset (refer to QMK/VIA documentation for your specific firmware).

4. Connectivity Lag

• Wireless Modes: Ensure the keyboard is close to the receiver/device and there are no major obstructions. Avoid interference from other wireless devices.
• Wired Mode: Wired connection offers the lowest latency (2ms). 2.4GHz wireless is 4ms, and Bluetooth is 15ms.

Specifications

Warranty and Support

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

User Tips

• Layer Management: Familiarize yourself with the QMK/VIA software to effectively manage the keyboard's multiple layers. This is crucial for a 40% layout to access all necessary functions.
• Switch Experimentation: Take advantage of the hot-swappable feature to try different switch types. This can significantly alter the typing feel and sound to match your preference.
• Portability: The TH40's compact size and light weight (approx. 0.44kg) make it highly portable. Utilize the tri-mode connectivity to easily switch between your desktop, laptop, and mobile devices.

Product Video Demonstration