A4tech FBK27C AS Bluetooth & 2.4G Rechargeable Keyboard User Manual

1. Introduction

Thank you for choosing the A4tech FBK27C AS Bluetooth & 2.4G Rechargeable Keyboard. This manual provides detailed instructions for setting up, operating, and maintaining your new keyboard. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.

Figure 1: A4tech FBK27C AS Keyboard

2. Key Features

• Dual Connectivity: Seamlessly switch between Bluetooth and 2.4GHz wireless connections.
• Multi-Device Pairing: Connect and switch between up to three devices (two Bluetooth, one 2.4GHz).
• QuietKey Technology: Designed for silent typing, ideal for quiet environments.
• Ultra-Slim Keycaps: Provides a comfortable and responsive typing experience.
• Rechargeable Battery: Built-in battery for extended use and convenience.
• Broad Compatibility: Supports Windows, Mac, iOS, and Android operating systems.
• Special Function Keys: Dedicated keys for screenshot, emoji, copy, paste, and more.
• Portable and Foldable Design: Compact and easy to carry, making it suitable for travel.

Figure 2: Keyboard layout highlighting features and indicators.

3. Setup Guide

3.1. What's in the Box

• A4tech FBK27C AS Keyboard
• USB Charging Cable
• 2.4GHz USB Receiver (stored magnetically in the keyboard)

3.2. Charging the Keyboard

Before first use, fully charge the keyboard. Connect the provided USB charging cable to the USB-C port on the upper left edge of the keyboard and to a power source. The power LED will illuminate during charging and turn off once fully charged.

3.3. Connecting via 2.4GHz Wireless

1. Locate the 2.4GHz USB receiver, typically stored magnetically in the keyboard's back compartment.
2. Plug the USB receiver into an available USB port on your computer or device.
3. Turn on the keyboard using the ON/OFF switch.
4. Press the 2.4G button on the keyboard. The indicator light will blink, then remain solid once connected.

3.4. Connecting via Bluetooth

The keyboard supports up to two Bluetooth connections (BT1, BT2).

1. Turn on the keyboard using the ON/OFF switch.
2. Press and hold either the BT1 or BT2 button for a few seconds until its indicator light starts blinking rapidly. This indicates pairing mode.
3. On your device (computer, tablet, smartphone), go to Bluetooth settings and search for new devices.
4. Select "Jomaa Keyboard" or a similar name from the list of available devices.
5. Follow any on-screen prompts to complete the pairing process. The indicator light on the keyboard will stop blinking and remain solid once connected.

Figure 3: Icons representing USB and Bluetooth connectivity options.

4. Operating Instructions

4.1. Switching Between Devices

To switch between connected devices, simply press the corresponding connectivity button:

• Press BT1 for the first Bluetooth device.
• Press BT2 for the second Bluetooth device.
• Press 2.4G for the device connected via the USB receiver.

4.2. Operating System Layout Switching

The keyboard supports different operating system layouts. Use the following key combinations to switch modes:

• Press Fn + Q for iOS layout.
• Press Fn + W for Windows/Android layout.
• Press Fn + E for Mac layout.

Figure 4: Keyboard keys for switching between iOS, Mac, and Windows/Android layouts.

4.3. Special Function Keys

The keyboard includes dedicated function keys for enhanced productivity:

• Screenshot Options: Capture screen content.
• Emoji Symbols: Access emoji input.
• Hide Application: Minimize active windows.
• Copy: Copy selected text or items.
• Paste: Paste copied text or items.
• Select All: Select all content.

Figure 5: Close-up of special function keys for quick actions.

5. Maintenance

5.1. Cleaning

To clean your keyboard, gently wipe the surface with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials that could damage the finish or keycaps. Ensure the keyboard is powered off before cleaning.

5.2. Battery Care

To prolong battery life, avoid exposing the keyboard to extreme temperatures. Recharge the keyboard when the battery indicator is low. If storing the keyboard for an extended period, charge it to approximately 50% and store it in a cool, dry place.

5.3. Storing the USB Receiver

The 2.4GHz USB receiver can be stored magnetically within the keyboard's housing when not in use. This helps prevent loss, especially when traveling.

6. Troubleshooting

6.1. Keyboard Not Connecting

• Check Power: Ensure the keyboard is turned on and sufficiently charged.
• Re-pair Bluetooth: If using Bluetooth, try re-pairing the keyboard with your device by holding down the BT1 or BT2 button until the light blinks, then re-selecting it in your device's Bluetooth settings.
• 2.4GHz Receiver: If using 2.4GHz, ensure the USB receiver is securely plugged into a working USB port and the 2.4G button is pressed.
• Device Compatibility: Verify your device's operating system is compatible with the keyboard.

6.2. Keys Not Responding or Overly Sensitive

• Clean Keys: Dust or debris under the keycaps can affect performance. Gently clean around the affected keys.
• Restart Keyboard/Device: Power cycle both the keyboard and the connected device.
• Firmware Update: Check the A4tech website for any available firmware updates for your keyboard model.

6.3. Accidental Key Presses

• Some users may accidentally activate the 'computer lock' key. Familiarize yourself with the keyboard layout to avoid unintended presses.

7. Specifications

8. Warranty and Support

For warranty information, technical support, or service inquiries, please contact A4tech customer support directly. Refer to the official A4tech website or product packaging for the most up-to-date contact details and warranty terms.