Introduction
Thank you for choosing the Realforce RC1 75% Bluetooth Keyboard. This manual provides detailed instructions for setting up, operating, and maintaining your new keyboard. The RC1 combines a compact 75% form factor with genuine Topre capacitive switches, offering both wired and wireless connectivity options for enhanced productivity.
Product Overview
Key Features
- 75% compact form factor.
- Dual connectivity: wired via USB-C or wireless via Bluetooth.
- Connects to up to four Bluetooth devices.
- Genuine Topre capacitive switches with Actuation Point Changer (APC) for adjustable actuation points (0.8mm, 1.5mm, 2.2mm, 3.0mm).
- Programmable ECO modes for optimized battery life.
- Dedicated software for key mapping, APC adjustments, and ECO mode settings.
- Durable Dye Sub PBT keycaps.
- Full N-key rollover for accurate input.
- Long-lasting rechargeable battery.
What's in the Box
- Realforce RC1 75% Bluetooth Keyboard
- Detachable USB-C Cable (70 inches)
- Information on Dedicated Software access
Keyboard Views

Figure 1: Overall view of the Realforce RC1 75% Bluetooth Keyboard.

Figure 2: Top-down view of the keyboard layout, showing all keys.

Figure 3: Front view of the keyboard, highlighting the keycap profile.

Figure 4: Rear view of the keyboard, showing the USB-C port for wired connection and charging.

Figure 5: Side profile view of the keyboard, illustrating its ergonomic angle.

Figure 6: Bottom view of the keyboard, showing the adjustable feet and product information label.
Setup
Wired Connection
- Locate the USB-C port on the rear of the keyboard.
- Connect one end of the provided USB-C cable to the keyboard.
- Connect the other end of the USB-C cable to an available USB port on your computer.
- The keyboard will be automatically recognized and ready for use. The keyboard will also charge while connected via USB-C.
Bluetooth Connection
The Realforce RC1 can connect to up to four Bluetooth devices.
- Ensure the keyboard is powered on.
- Press the Fn key simultaneously with one of the MAP1, MAP2, MAP3, or MAP4 keys to select a Bluetooth profile.
- Press Fn + Pair to enter pairing mode. The indicator light on the keyboard will flash.
- On your device (computer, tablet, smartphone), navigate to Bluetooth settings.
- Search for available devices and select "Realforce RC1" (or similar name) from the list.
- Follow any on-screen prompts to complete the pairing process.
- Once paired, the indicator light will become solid.
- To switch between paired devices, press Fn + the corresponding MAP key (e.g., Fn + MAP1).
Operating Instructions
Key Functions
The RC1 keyboard features a standard QWERTY layout with additional function keys accessible via the Fn key. Refer to the keycaps for specific secondary functions (e.g., media controls, volume adjustment).
Actuation Point Changer (APC)
The APC feature allows you to customize the actuation point of the Topre switches to your preference. This can be adjusted using the dedicated software. Available actuation points are 0.8mm, 1.5mm, 2.2mm, and 3.0mm.
ECO Mode
To conserve battery life during wireless use, the RC1 features programmable ECO modes. These settings can be configured via the dedicated software to automatically adjust power consumption based on usage patterns.
Dedicated Software
For advanced customization, including key remapping, precise APC adjustments, and ECO mode configuration, download and install the Realforce dedicated software from the official Realforce website. The software provides a graphical interface for managing your keyboard settings.
Maintenance
Cleaning Your Keyboard
- Disconnect the keyboard from your computer (wired or Bluetooth).
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the keycaps and casing. Avoid excessive moisture.
- For dust and debris between keys, use compressed air.
- Do not use harsh chemicals, solvents, or abrasive materials, as these may damage the keyboard's finish or keycap legends.
Battery Care
- Charge the keyboard regularly using the provided USB-C cable.
- Avoid fully discharging the battery frequently, as this can reduce its lifespan.
- If storing the keyboard for an extended period, charge it to approximately 50% before storage.
Troubleshooting
Keyboard Not Responding (Wired)
- Ensure the USB-C cable is securely connected to both the keyboard and the computer.
- Try connecting the cable to a different USB port on your computer.
- Test the keyboard with a different USB-C cable if available.
- Restart your computer.
Keyboard Not Connecting (Bluetooth)
- Ensure the keyboard is powered on and sufficiently charged.
- Verify that Bluetooth is enabled on your device.
- Make sure the keyboard is in pairing mode (Fn + Pair).
- Remove any existing "Realforce RC1" entries from your device's Bluetooth settings and attempt to re-pair.
- Ensure the keyboard is within the effective range of your Bluetooth device.
- Try selecting a different MAP profile (Fn + MAP1-4).
Keys Not Registering or Double-Typing
- Ensure the keyboard is clean and free of debris.
- Check the APC settings using the dedicated software; incorrect settings might affect key registration.
- If the issue persists, contact Realforce support.
Specifications
| Brand | Realforce |
| Model Number | C1HK23 |
| Connectivity Technology | Bluetooth, USB-C |
| Keyboard Description | Mechanical (Topre Capacitive) |
| Switch Type | Topre Silent 30g |
| Number of Keys | 78 |
| Keyboard Layout | QWERTY |
| Material | Polybutylene Terephthalate (PBT Keycaps) |
| Power Source | Battery Powered, USB Powered |
| Item Weight | 0.6 Kilograms |
| Compatible Devices | Laptop, PC |
Warranty and Support
Warranty Information
The Realforce RC1 75% Bluetooth Keyboard comes with a one-year limited repair warranty. Please retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please visit the official Realforce website or contact their customer support team. You can find contact information on the Realforce brand store page or within the product packaging.






