Introduction
The Bisofice BT-13HDK is a 13.3-inch portable graphics drawing tablet designed for digital artists, designers, and animators. It features an H-IPS LED anti-glare display, 16K pressure level sensitivity, and a battery-free stylus for a natural drawing experience. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.

Image: The Bisofice BT-13HDK tablet showcasing its 13.3-inch screen and physical dimensions (362.6x223x14mm) with an active drawing area of 293x165mm.
What's in the Box
Please check the package contents upon unboxing to ensure all items are present:
- 1 x Bisofice BT-13HDK Graphics Tablet
- 1 x Stylus (Battery-Free)
- 10 x Replacement Pen Nibs
- 1 x Cleaning Cloth
- 1 x User Manual
- 1 x Drawing Glove
- 1 x 2-in-1 USB Cable
- 1 x Tablet Protective Cover
Setup
Follow these steps to set up your Bisofice BT-13HDK graphics tablet:
- Connect the Tablet: Use the provided 2-in-1 USB cable to connect the tablet to your computer. The cable typically includes Mini High Definition Multimedia Interface (Mini HD) and Type-C connectors for the tablet, and USB and Mini HD for the computer. Ensure both video and data connections are secure.
- Power Supply: The tablet is powered by your computer via the USB connection. No additional power adapter is typically required for standard operation.
- Driver Installation:
- Visit the official Bisofice website to download the latest drivers for your BT-13HDK model.
- Before installing, uninstall any existing tablet drivers from other brands to avoid conflicts.
- Run the installer and follow the on-screen instructions. Restart your computer if prompted.
- System Requirements: Ensure your computer meets the minimum requirements:
- Windows 7 or above
- Mac OS 10.11 or above
- Android Device Connection (Optional): To connect to an Android mobile phone or tablet, the device must support the OTG (On-The-Go) function and may require an additional adapter (not included).
- Adjust Stand: Utilize the foldable full metal stand to tilt the tablet to a comfortable 19-degree angle for drawing.

Image: A diagram illustrating the 2-in-1 USB cable connection from the Bisofice BT-13HDK tablet to a laptop, showing Mini HD and USB ports.
Operating Instructions
Using the Stylus
The Bisofice BT-13HDK comes with a battery-free stylus featuring 16K pressure levels for precise and natural drawing. It has an ergonomic design to reduce fatigue during extended use.
- Pressure Sensitivity: The 16K pressure levels allow for fine control over line thickness and opacity, mimicking traditional drawing tools.
- Custom Buttons: The stylus includes two customizable function buttons. These can be configured in the tablet driver software to perform various actions, such as right-click, undo, or zoom.
- Magnetic Attachment: The stylus can be magnetically attached to the left side of the tablet for convenient storage when not in use.

Image: A detailed view of the battery-free digital pen, highlighting its retractable nib, built-in chip, custom button, and default right mouse button functionality, along with icons for tilt sensing, passive technology, smooth handwriting, and comfortable grip.

Image: The Bisofice BT-13HDK tablet demonstrating its strong magnetic feature for storing the digital pen on its left side, preventing loss.
Using Customizable Shortcut Keys
The tablet features 8 customizable shortcut keys on its left side, allowing for efficient workflow and quick access to frequently used functions.
- Configuration: These keys can be configured through the tablet driver software to perform various commands, such as changing brush size, zooming in/out, saving, undoing actions, or selecting colors.
- Indicator Light: An indicator light is present to provide feedback on key presses or tablet status.

Image: The Bisofice BT-13HDK tablet displaying its 8 customizable shortcut keys, with examples of functions like Brush Size +, Brush Size -, Zoom In, Zoom Out, Save, Undo, New Document, and Color.
Display Adjustment
The tablet includes a Menu Adjustment Key for accessing and modifying display settings directly on the device.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your graphics tablet.
- Screen Cleaning: Use the provided cleaning cloth or a soft, lint-free cloth to gently wipe the screen. For stubborn smudges, dampen the cloth slightly with water or a screen-safe cleaner. Avoid harsh chemicals or abrasive materials.
- Stylus Nib Replacement: The stylus nibs will wear down over time. Use the included nib remover tool (if applicable) to carefully pull out the old nib and insert a new one. The package includes 10 replacement nibs.
- Storage: When not in use, store the tablet in its protective cover to prevent scratches and dust accumulation. Avoid placing heavy objects on the tablet.
- Cable Care: Handle the USB cable carefully. Avoid bending or twisting it excessively, which can damage the internal wires.
Troubleshooting
If you encounter issues with your Bisofice BT-13HDK tablet, refer to the following common solutions:
- No Display/Black Screen:
- Ensure the 2-in-1 USB cable is securely connected to both the tablet and your computer's video output (Mini HD/Type-C) and USB port.
- Check your computer's display settings to ensure the tablet is detected and configured as an extended or duplicated display.
- Try connecting to a different USB or video port on your computer.
- Stylus Not Responding/No Pressure Sensitivity:
- Verify that the tablet drivers are correctly installed and up to date. Reinstalling the drivers may resolve the issue.
- Ensure there are no conflicting tablet drivers from other brands installed on your system.
- Check if the stylus nib is properly seated or if it needs replacement.
- Test the stylus in different drawing applications.
- Shortcut Keys Not Working:
- Open the tablet driver software and ensure the shortcut keys are correctly mapped to your desired functions.
- Confirm that the driver software is running in the background.
- Lag or Delay:
- Ensure your computer meets the recommended system specifications for your drawing software.
- Close unnecessary background applications to free up system resources.
- Update your graphics card drivers.
- Intermittent Connection:
- Check the 2-in-1 USB cable for any damage.
- Ensure the USB port on your computer is functioning correctly. Try a different port.
If these steps do not resolve your issue, please contact Bisofice customer support for further assistance.
Specifications
Detailed technical specifications for the Bisofice BT-13HDK Graphics Drawing Tablet:
| Feature | Specification |
|---|---|
| Model | BT-13HDK |
| Screen Size | 13.3 inches |
| Active Area | 293 x 165 mm (11.5 x 6.4 inches) |
| Resolution | 1920 x 1080 pixels |
| LCD Mode | H-IPS LED Screen |
| Pen Pressure Level | 16K |
| Pen Resolution | 5080 LPI (Lines Per Inch) |
| Color Value | 16.7M (8-bit) |
| Color Gamut | 127% sRGB |
| Reading Speed | 300 PPS (Points Per Second) |
| Contrast Ratio | 1000:1 |
| Brightness | 250 cd/m² |
| Tilt Recognition | ±60° |
| Response Time | 25ms |
| Accuracy | ±0.3mm |
| Induction Height | 10mm |
| Pen Technology | Passive Electromagnetic Induction (Battery-Free) |
| Screen Touch | Pen Touch Screen |
| Power Consumption | 5W/5V (Computer Powered) |
| Buttons | Menu Adjustment Key, 8 Customizable Shortcut Keys |
| Product Size | 362.6 x 223 x 14 mm |
| Net Weight | 0.9 kg (1.98 lbs) |
| Viewing Angle | 178° (89°/89°) H, (89°/89°) V |
| I/O Interface | Mini High Definition Multimedia Interface, Type-C |
| System Required | Windows 7 or above, Mac OS 10.11 or above |
| Special Feature | Anti-Glare Glass, Full Lamination |

Image: Visual representation of the tablet's display capabilities, including 16.7M (8bit) display color, 127% sRGB rich color gamut, and a 1000:1 contrast ratio.

Image: Diagram illustrating the full lamination technology of the screen, showing no gap between the stroke and cursor, compared to non-full lamination with a visible gap.
Warranty and Support
Bisofice products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your product or visit the official Bisofice website.
If you require technical assistance, have questions about your product, or need to report an issue, please contact Bisofice customer support. Contact information can typically be found on the manufacturer's website or in the product packaging.
When contacting support, please have your product model (BT-13HDK) and purchase information readily available.