1. Ifihan
This manual provides detailed instructions for the A4 Tech FBX50C Rechargeable Keyboard. This keyboard features dual-mode wireless connectivity (Bluetooth and 2.4GHz), a rechargeable battery, and a durable, ergonomic design. It is compatible with Windows, Mac OS, iOS, and Android operating systems.

Aworan: Oke-isalẹ view of the A4 Tech FBX50C keyboard, showcasing its full layout with function keys and numeric pad.
Awọn ẹya pataki:
- Bluetooth & 2.4Ghz Dual-Mode Wireless Connectivity
- Compatible with Windows, Mac OS, iOS, and Android OS
- Batiri litiumu 300mAh gbigba agbara
- Water-resistant design with drain channels
- Low-profile chocolate keys for comfortable typing
- Easy switching between up to 4 devices
2. Package Awọn akoonu
Jọwọ ṣayẹwo awọn akoonu package lori ṣiṣi silẹ lati rii daju pe gbogbo awọn nkan wa:
- A4 Tech FBX50C Wireless Keyboard
- USB Type-C Charging Cable (USB-Type C to USB-Type A)
- 2.4G USB Nano-RF Receiver (typically stored in the keyboard's dedicated compartment)

Image: Diagram highlighting key features such as the X-Key structure, the storage compartment for the Nano Receiver, and the integrated rechargeable battery.
3. Eto
3.1 Ngba agbara si Keyboard
- Locate the USB Type-C charging port on the keyboard.
- Connect the provided USB Type-C cable to the keyboard and the USB-Type A end to a power source (e.g., computer USB port, USB wall adapter).
- Ina Atọka gbigba agbara yoo tan imọlẹ. Gbigba agbara ni kikun gba to awọn wakati 2.5.
- Once fully charged, the indicator light may change or turn off. Disconnect the cable.
The keyboard is equipped with a built-in 300mAh Lithium Battery, offering up to 8 months of battery life depending on usage and operating conditions.
3.2 Titan / Pa a
Locate the Power On/Off button, typically on the side or back of the keyboard. Slide it to the 'On' position to power on the keyboard and 'Off' to power it down.
3.3 Nsopọ nipasẹ 2.4GHz Alailowaya
- Retrieve the 2.4G USB Nano-RF Receiver from its storage compartment on the keyboard (if applicable).
- Plug the USB Nano-RF Receiver into an available USB port on your computer or device.
- Ensure the keyboard is powered on. The keyboard should automatically connect to the receiver.
- The 2.4G wireless connection offers a coverage range of up to 10 meters.
3.4 Nsopọ nipasẹ Bluetooth
The FBX50C supports Bluetooth v5.0, v4.0, and v3.0, allowing connection to up to 3 Bluetooth devices (BT1, BT2, BT3) in addition to the 2.4G connection (2.4G).
- Select a Bluetooth Channel: Press the dedicated Bluetooth channel key (e.g., BT1, BT2, tabi BT3) on the keyboard. The indicator light for the selected channel will blink.
- Tẹ Ipo Sisopọ: Press and hold the selected Bluetooth channel key for 3-5 seconds until the indicator light blinks rapidly, indicating it's in pairing mode.
- Mu Bluetooth ṣiṣẹ lori Ẹrọ Rẹ: On your computer, tablet, or smartphone, go to Bluetooth settings and turn on Bluetooth.
- Wa fun Awọn ẹrọ: Your device will scan for available Bluetooth devices. Select "A4 Tech FBX50C" or a similar name from the list.
- Pipọpọ pipe: Follow any on-screen prompts to complete the pairing process. The indicator light on the keyboard will become solid or turn off once successfully paired.
4. Awọn ilana Iṣiṣẹ
4.1 Yipada Laarin awọn ẹrọ ti a ti sopọ
The FBX50C keyboard allows for easy switching between up to four connected devices (one 2.4G and three Bluetooth). Simply press the corresponding channel key:
- Tẹ 2.4G to switch to the device connected via the USB Nano-RF Receiver.
- Tẹ BT1 to switch to the first Bluetooth-connected device.
- Tẹ BT2 to switch to the second Bluetooth-connected device.
- Tẹ BT3 to switch to the third Bluetooth-connected device.
4.2 Function Keys (F1-F12) and Multimedia Controls
The keyboard features F1-F12 function keys that also serve as multimedia and internet control keys. To activate the secondary function (e.g., volume control, media playback), press the Fn bọtini ni nigbakannaa pẹlu F-bọtini ti o fẹ.
- Fn + F1-F12: Access various multimedia and system functions as indicated by the icons on the keys.
- Awọn bọtini Multimedia: Dedicated keys for volume up/down, mute, play/pause, previous/next track.
4.3 Ibamu System ọna
The keyboard is designed to be compatible with a wide range of operating systems:
- Windows (Windows 10, Windows 8, etc.)
- Mac OS
- iOS
- Android OS
5. Itọju
5.1 Ninu Keyboard
Lati ṣetọju irisi keyboard ati iṣẹ ṣiṣe:
- Rii daju pe keyboard ti wa ni pipa ṣaaju ṣiṣe mimọ.
- Lo asọ asọ, ti ko ni lint die-die dampened pẹlu omi tabi kan ìwọnba ninu ojutu.
- Yago fun ọrinrin pupọ ati ma ṣe fun sokiri awọn olutọpa taara sori keyboard.
- The keyboard features specially designed drain channels for water resistance, but it is not fully waterproof. Avoid submerging it in liquids.
5.2 batiri Itọju
To prolong the life of the built-in Lithium battery:
- Yago fun gbigba agbara si batiri ni kikun nigbagbogbo.
- Charge the keyboard regularly, especially if it will be stored for an extended period.
- Store the keyboard in a cool, dry place.

Aworan: Isalẹ view of the A4 Tech FBX50C keyboard, illustrating the drain channels for water resistance and the anti-slip rubber feet.
6. Laasigbotitusita
If you encounter issues with your A4 Tech FBX50C keyboard, please refer to the following common solutions:
- Keyboard ko dahun:
- Rii daju pe keyboard ti wa ni titan.
- Ṣàyẹ̀wò ipele batiri náà kí o sì gba agbára lórí keyboard tí ó bá pọndandan.
- Verify that the correct connection mode (2.4G or BT1/BT2/BT3) is selected.
- For 2.4G connection, ensure the USB Nano-RF Receiver is securely plugged into your device.
- For Bluetooth connection, ensure Bluetooth is enabled on your device and the keyboard is properly paired. Try re-pairing if necessary.
- Try connecting the keyboard to a different USB port or a different device to rule out device-specific issues.
- Keys not working or typing incorrectly:
- Nu keyboard mọ lati yọkuro eyikeyi idoti ti o le ṣe idiwọ awọn bọtini.
- Rí i dájú pé a yan èdè àti ìṣètò keyboard tó tọ́ nínú àwọn ètò ìṣiṣẹ́ rẹ.
- Asopọmọra igba diẹ:
- Gbé kíábọ́ọ̀dì sún mọ́ ẹ̀rọ rẹ láti dín ìdènà kù.
- Yago fun gbigbe bọtini itẹwe si sunmọ awọn ẹrọ alailowaya miiran ti o le fa kikọlu (fun apẹẹrẹ, awọn olulana Wi-Fi, awọn foonu alailowaya).
- Rí i dájú pé keyboard ti gba agbára tán pátápátá.
7. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Awoṣe | FBX50C |
| Asopọmọra | Bluetooth (v5.0, v4.0, v3.0) & 2.4GHz Wireless |
| Ibamu System isẹ | Windows 10, Windows 8, Mac OS, iOS, Android OS |
| Batiri Iru | Batiri litiumu 300mAh ti a ṣe sinu |
| Akoko gbigba agbara | Isunmọ. Awọn wakati 2.5 |
| Igbesi aye batiri | Up to 8 Months (may vary) |
| Alailowaya Ibiti | Up to 10 meters (2.4G) |
| Ifilelẹ bọtini itẹwe | QWERTY (English, based on images) |
| Pataki Awọn ẹya ara ẹrọ | Water Resistant (drain channels), Ergonomic, Rechargeable, Low-profile awọn bọtini |
| Ohun elo | Silikoni ṣiṣu |
| Àwọ̀ | Dudu/Grẹy |
| Awọn iwọn (L x W x H) | 421 x 121 x 20 mm (approximate, based on description) |
| Iwọn | 488g (based on description) / 800g (package weight) |
8. Atilẹyin ọja & Atilẹyin
8.1 atilẹyin ọja Alaye
Specific warranty details for the A4 Tech FBX50C keyboard are not provided in this manual. Please refer to the warranty card included with your product or contact your retailer for information regarding warranty coverage and terms.
8.2 Onibara Support
For further assistance, technical support, or inquiries not covered in this manual, please contact A4tech customer service or visit the official A4tech webojula fun support oro.