YUNZII ACTTO B503 Wireless Typewriter Keyboard Instruction Manual

1. Introduction

Thank you for choosing the YUNZII ACTTO B503 Wireless Typewriter Keyboard. This retro-styled keyboard combines classic aesthetics with modern functionality, offering a comfortable and efficient typing experience across multiple devices. Featuring a full 104-key layout, stable Bluetooth 5.0 connectivity, and an integrated stand, the B503 is designed for versatility and ease of use.

Image 1: The YUNZII ACTTO B503 Wireless Typewriter Keyboard, highlighting its retro design, integrated stand, and key features. Dimensions are shown as 19.1 inches (48.6 cm) in length, 8.5 inches (21.8 cm) in width, and 2.5 inches (6.7 cm) in height. It weighs 2.51 lbs (1.1 kg).

2. Package Contents

Please check the package for the following items:

• YUNZII ACTTO B503 Wireless Typewriter Keyboard
• Extra Keycap (Red ESC key)
• 2 x AAA Batteries
• User Manual

Image 2: A visual representation of the package contents, showing the B503 keyboard, the user manual, two AAA batteries, and an additional red ESC keycap.

3. Setup

3.1 Battery Installation

The YUNZII ACTTO B503 keyboard is powered by two AAA batteries. Locate the battery compartment on the underside of the keyboard, open it, insert the batteries according to the polarity indicators, and close the compartment.

3.2 Bluetooth Pairing (Multi-pairing)

The keyboard supports connecting up to 3 devices via Bluetooth 5.0. Follow these steps to pair your device:

1. Press Fn + 1 (for Channel 1), Fn + 2 (for Channel 2), or Fn + 3 (for Channel 3) to select the desired channel.
2. Press Fn + K to enter pairing mode. The blue LED indicator will flash.
3. On your device (PC, laptop, smartphone, tablet), turn on Bluetooth and search for available devices.
4. Select "Actto Keyboard" from the list of devices.
5. If prompted, type the PIN code shown on your screen using the B503 keyboard and press Enter to complete the pairing process.

3.3 System Conversion (OS Compatibility)

To ensure all keys function correctly with your operating system, perform a system conversion after pairing. Press the corresponding key combination once while the keyboard is connected to Bluetooth:

• For Android: Press Fn + Q
• For Windows: Press Fn + W
• For iOS (iPad, iPhone): Press Fn + E

Note: Some keys may not work as expected depending on the device and operating system, especially if the system conversion is not performed or is incorrect.

4. Operating Instructions

4.1 Key Functions

The B503 features 104 comfortable round keycaps, providing a tactile typing experience. It includes a full numeric keypad for enhanced productivity. The keyboard also has adjustable button feet for comfortable long-term typing.

Image 3: Close-up of hands using the B503 keyboard, highlighting the design of the 104 round keycaps and the ergonomic layout for comfortable typing.

4.2 Integrated Stand Usage

The keyboard is equipped with an integrated stand holder, measuring 17.8 inches in length and 0.59 inches in width. This stand is designed to securely hold your tablet or smartphone, providing an ergonomic setup for typing and viewing.

Image 4: The B503 keyboard in use with a laptop, tablet, and smartphone, illustrating its capability to connect to multiple operating systems (Mac, iOS, PC, Android) and the convenience of the integrated stand.

4.3 Status Indicator LEDs

The keyboard features several LED indicators:

• Num Lock Indicator Light: Lights up when Num Lock is pressed. (Note: Num Lock function is not supported on iOS devices, and the LED will not light up.)
• Caps Lock Indicator Light: Lights up when Caps Lock is pressed.
• Battery Status Indicator Light:
  - LED Blinking: Starting pairing mode
  - LED OFF: Bluetooth Pairing complete
  - LED Flashes: Low Battery

Image 5: Detailed view of the keyboard's LED indicators, showing the lights for Num Lock, Caps Lock, and the battery/pairing status.

5. Maintenance

5.1 Cleaning

To clean your keyboard, gently wipe the surface with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, ensuring no moisture enters the key switches or internal components. Avoid harsh chemicals or abrasive materials.

5.2 Battery Replacement

When the battery status indicator flashes, it's time to replace the batteries. Open the battery compartment on the underside of the keyboard and replace the two AAA batteries with new ones. Ensure correct polarity.

6. Troubleshooting

If you encounter issues with your YUNZII ACTTO B503 keyboard, please refer to the following troubleshooting steps:

6.1 Keyboard Does Not Work

1. Ensure your device's Bluetooth is enabled.
2. Press any key on the keyboard, as it may be in sleep mode.
3. Remove the batteries and reinsert them to ensure proper contact.
4. Check the battery capacity and replace with new AAA batteries if needed.
5. Press Fn + C to initialize pairing, then follow the Bluetooth pairing steps in Section 3.2 to reconnect.

6.2 Incorrect Key Functionality

If certain keys do not function as expected, ensure you have performed the correct system conversion for your device's operating system as described in Section 3.3. Re-apply the system conversion if necessary.

7. Specifications

8. Warranty and Support

For warranty information, technical support, or any inquiries regarding your YUNZII ACTTO B503 Wireless Typewriter Keyboard, please refer to the contact details provided in the included user manual or visit the official YUNZII website. Keep your purchase receipt for warranty claims.