1. Introduction
The FILCO Majestouch Convertible 2 is a high-quality tenkeyless mechanical keyboard designed for versatility and durability. It offers dual connectivity, supporting both wired USB and wireless Bluetooth connections, and can pair with up to four devices, allowing for seamless switching between them. This manual provides detailed instructions for setting up, operating, and maintaining your keyboard.

Image: The FILCO Majestouch Convertible 2 Tenkeyless Mechanical Keyboard, showcasing its compact design.

Image: FILCO Majestouch Convertible 2 keyboard, showcasing its dual USB and Bluetooth connectivity for easy switching between modes.
2. Package Contents
Please ensure all the following items are included in your package:
- FILCO Majestouch Convertible 2 Tenkeyless Mechanical Keyboard
- USB Cable
- AA Batteries (2)
- Keycap Puller
- Replacement Keycaps (Ctrl, Alt, CapsLock, Fn)
- User Manual (this document)

Image: Product accessories including USB cable, AA batteries, keycap puller, and replacement keycaps (Ctrl, Alt, CapsLock, Fn).
3. Features
- Switch Type: Cherry MX Brown Tactile Switches
- Interface: Bluetooth (HID Profile) / USB
- Bluetooth Version: Bluetooth 3.0
- Multi-pairing: Connects to up to 4 devices
- Layout: Japanese Kana Layout, 91-key Tenkeyless
- Color: Black

Image: Close-up view of a Cherry MX Brown mechanical switch. These switches offer a light, soft keypress with a subtle tactile bump and are relatively quiet, making them suitable for various users.
4. Setup
4.1. Wired USB Connection
- Locate the USB port on the back of your keyboard.
- Connect one end of the provided USB cable to the keyboard.
- Connect the other end of the USB cable to an available USB port on your computer.
- The keyboard will be automatically recognized by your operating system.
4.2. Wireless Bluetooth Connection
Before establishing a Bluetooth connection, ensure batteries are installed.
- Install Batteries: Open the battery compartment on the underside of the keyboard and insert two AA batteries (included).
- Turn On Bluetooth: Locate the power switch on the back of the keyboard and switch it to the 'ON' position for Bluetooth mode.
- Enter Pairing Mode: Press and hold the Fn key and one of the Bluetooth keys (1, 2, 3, or 4) for approximately 3 seconds until the corresponding LED indicator flashes rapidly. This indicates the keyboard is in pairing mode for that device slot.
- Enable Bluetooth on Your Device: On your computer, tablet, or smartphone, enable Bluetooth and search for new devices.
- Select Keyboard: From the list of available devices, select "FILCO Convertible 2" (or similar name).
- Complete Pairing: Follow any on-screen prompts to complete the pairing process. You may be asked to enter a code on the keyboard.
- Pair Additional Devices: Repeat steps 3-6 for up to three additional devices, using a different Bluetooth key (1, 2, 3, or 4) for each new device.
4.3. Switching Between Devices
To switch between paired Bluetooth devices, simply press the Fn key along with the corresponding Bluetooth key (1, 2, 3, or 4) for the desired device. The keyboard will automatically connect to the selected device.

Image: Diagram illustrating the keyboard's versatile connectivity options: wired USB, wireless Bluetooth (battery-powered), and wireless Bluetooth (USB-powered). It also highlights the ability to pair with up to four different devices.
5. Operating Instructions
5.1. General Key Functions
The keyboard features a standard Japanese Kana layout. Familiarize yourself with the key positions for efficient typing.

Image: Top-down view of the FILCO Majestouch Convertible 2 Tenkeyless keyboard, showing the Japanese Kana layout.
5.2. DIP Switch Settings
The keyboard includes DIP switches on the back for advanced customization of key functions. Use the provided keycap puller to remove keycaps if necessary to access the switches.

Image: Close-up of the DIP switches located on the back of the keyboard, used for advanced key function customization.
| Switch | Function (ON Position) |
|---|---|
| SW1 | Locks and disables the Windows key and Application key. |
| SW2 | Swaps the CapsLock key and the left Ctrl key. |
| SW3 | Swaps the Esc key and the Half-width/Full-width key. |
| SW4 | Changes the Fn key position. |
Refer to the diagram below for the physical location of the DIP switches.

Image: Diagram showing the DIP switch settings on the back of the keyboard for both full-size and tenkeyless models.
6. Maintenance
- Cleaning: Use a soft, dry cloth to wipe the keyboard surface. For deeper cleaning, use the provided keycap puller to remove keycaps and clean underneath with compressed air or a small brush.
- Battery Replacement: Replace AA batteries when the low battery indicator lights up or when wireless performance degrades.
- Storage: Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
- Keyboard not responding (Wired): Ensure the USB cable is securely connected to both the keyboard and the computer. Try a different USB port or cable.
- Keyboard not responding (Wireless):
- Check if the keyboard is powered on and has fresh batteries.
- Ensure Bluetooth is enabled on your device.
- Verify that the correct Bluetooth channel (1, 2, 3, or 4) is selected on the keyboard.
- If connection issues persist, try unpairing and re-pairing the keyboard with your device.
- Interference from other wireless devices (e.g., Wi-Fi, other Bluetooth devices) can sometimes affect connectivity. Try moving the keyboard closer to your device or reducing other wireless activity.
- Keys not working or double-typing: Clean under the affected keycaps. If the issue persists, it may indicate a switch malfunction.
- DIP switch settings not applying: Ensure the keyboard is disconnected or powered off before changing DIP switch settings, then reconnect/power on for changes to take effect.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | FILCO |
| Model Name | Majestouch |
| Model Number | FKBC91M/JB2 |
| Connectivity Technology | Bluetooth, Bluetooth 3.0 |
| Compatible Devices | Smartphones, Tablets |
| Keyboard Description | Mechanical |
| Special Feature | Tenkeyless |
| Color | Black |
| Style | CHERRY MX Brown Axis |
| Included Components | 1 Product |
| Switch Type | Tactile |
| Keyboard Layout | QWERTY (Japanese Kana) |
| Hand Orientation | Ambidextrous |
| Number of Keys | 87 (Japanese 91-key Tenkeyless) |
| Item Weight | 0.98 Kilograms |
9. Warranty and Support
For warranty information and technical support, please refer to the official FILCO website or contact your local retailer. Keep your purchase receipt as proof of purchase for warranty claims.