1. Introduction
This manual provides detailed instructions for the proper use, setup, and maintenance of your Bewinner YHD-5100 Bar Code Scanner. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity.
Key Features:
- Dual Connection Modes: Supports both 2.4GHz wireless and USB wired connections for versatile use.
- Wide Compatibility: Compatible with Android, iOS, and Windows systems, suitable for phones, tablets, and computers.
- Ergonomic Design & Durability: Constructed with ABS plastic and a silicone pad for shockproof and drop-resistant performance, ensuring a long service life.
- High-Performance Scanning: Equipped with a 32-bit ARM Microprocessor, offering a scan rate of 300 scans per second and excellent error correction.
- Extensive Decode Capability: Capable of decoding various 1D barcodes including UPC/EAN, Code128, Code39, Codebar, ISBN, and more.

Figure 1.1: Bewinner YHD-5100 Bar Code Scanner highlighting its one-dimensional scanning capability and key features like fast reading and plug-and-play functionality.
2. Safety Precautions
To prevent damage to the scanner or injury to yourself or others, please observe the following safety guidelines:
- Do not look directly into the scanning window when the laser is active. The laser light can cause eye damage.
- Keep the device away from water, moisture, and extreme temperatures.
- Avoid dropping or subjecting the scanner to severe impacts, despite its durable design.
- Do not attempt to disassemble or repair the scanner yourself. Refer to qualified service personnel.
- Use only the provided USB cable for charging and wired connection.
3. Package Contents
Please check the package contents upon opening to ensure all items are present:
- Bewinner YHD-5100 Bar Code Scanner
- 2.4G USB Receiver Dongle
- USB Charging/Data Cable
- Quick Start Guide (or similar instruction card)

Figure 3.1: Contents of the Bewinner YHD-5100 Bar Code Scanner package, including the scanner, USB cable, and wireless dongle.
4. Product Components
Familiarize yourself with the main components of the Bewinner YHD-5100 Bar Code Scanner:
- Scanning Window: Emits the laser beam for reading barcodes.
- Trigger Button: Activates the scanning laser.
- USB Port: For wired connection and charging.
- Indicator Light: Provides status feedback (e.g., charging, connection, scan success).
- Power Button/Switch: To turn the device on or off.

Figure 4.1: Main view of the Bewinner YHD-5100 Bar Code Scanner, illustrating its ergonomic design and key external features.
5. Setup and Connection
The YHD-5100 scanner offers both wired and wireless connectivity options.
5.1. Charging the Scanner
Before first use, fully charge the scanner. Connect the USB charging cable to the scanner's USB port and the other end to a computer's USB port or a USB wall adapter. The indicator light will show charging status and turn off or change color when fully charged.
5.2. Wired Connection (USB Cable)
- Ensure the scanner is powered on.
- Connect the USB cable directly from the scanner to an available USB port on your computer.
- The computer will automatically detect and install the necessary drivers. The scanner is ready for use once installation is complete.
5.3. Wireless Connection (2.4G USB Receiver)
- Plug the 2.4G USB receiver dongle into an available USB port on your computer or host device.
- Power on the scanner. It should automatically pair with the receiver. The indicator light on the scanner will confirm successful connection.
- If pairing fails, refer to the quick start guide for specific pairing instructions (often involves scanning a pairing barcode).
5.4. Device Compatibility
The Bewinner YHD-5100 is designed for wide compatibility across various operating systems and devices:
- Operating Systems: Windows 7/8/10/XP, Android, iOS.
- Devices: Desktop computers, laptops, smartphones, tablets.

Figure 5.1: The scanner's broad compatibility with various operating systems and devices.

Figure 5.2: Visual representation of the scanner's compatibility with Windows, Android, and iOS.

Figure 5.3: The scanner is compatible with various devices including smartphones, tablets, and laptops.
6. Operating the Scanner
The Bewinner YHD-5100 is designed for simple and efficient barcode scanning.
6.1. Basic Scanning Procedure
- Ensure the scanner is connected to your host device (computer, tablet, etc.) via USB cable or the 2.4G wireless receiver.
- Open an application where you want the scanned data to appear (e.g., a text editor, spreadsheet, or POS software).
- Point the scanning window at the barcode you wish to scan.
- Press and hold the trigger button. A red laser line will appear.
- Align the laser line across the entire barcode. Once successfully scanned, the scanner will emit a beep and the indicator light may flash. The barcode data will then appear in your application.

Figure 6.1: The scanner's active laser beam during operation.
6.2. Scanning Imperfect or Fuzzy Codes
The YHD-5100 features a high-precision scanning head with high sensitivity, allowing it to scan even slightly imperfect or fuzzy barcodes. Ensure the laser line covers the entire barcode for best results.

Figure 6.2: The scanner's capability to read fuzzy or slightly imperfect barcodes.
6.3. Decode Capabilities
The scanner supports a wide range of 1D barcode symbologies, including but not limited to:
- UPC / EAN
- Code128
- Code39
- Code 39Full ASCLL
- Code bar
- Industrial/Interleaved 2 of 5
- Code11
- ISBN, ISSN
- China post
- GS1 Databar
- Code32

Figure 6.3: Examples of barcode types that the scanner can decode.
6.4. Application Scenarios
The Bewinner YHD-5100 Bar Code Scanner is suitable for a wide range of applications due to its versatility and performance:
- Supermarkets and Retail Stores
- Warehouses and Inventory Management
- Logistics and Courier Services
- Bookstores and Libraries
- Point-of-Sale (POS) Systems
- Office Environments

Figure 6.4: Wide range of application scenarios for the Bewinner YHD-5100 Bar Code Scanner.
7. Maintenance and Care
Proper maintenance ensures the longevity and optimal performance of your scanner.
7.1. Cleaning
- Use a soft, dry, lint-free cloth to clean the exterior of the scanner.
- For the scanning window, use a lens cleaning cloth or a soft cloth lightly dampened with a mild, non-abrasive cleaner. Do not spray cleaner directly onto the window.
- Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the device.
7.2. Storage
- Store the scanner in a cool, dry place away from direct sunlight and extreme temperatures.
- When not in use for extended periods, ensure the scanner is fully charged before storage and recharge it periodically to maintain battery health.
7.3. Durability Features
The scanner is designed with durability in mind:
- The fuselage is made of thickened ABS material, providing robust protection.
- The top of the product is designed with rubber, enhancing shock resistance and anti-fall ability.
- The scanning window's light-transmitting lens is made of high-strength acrylic material.

Figure 7.1: The scanner's robust design provides resistance against drops.

Figure 7.2: Design elements contributing to the scanner's durability and comfortable handling.
8. Troubleshooting
If you encounter issues with your Bewinner YHD-5100 Bar Code Scanner, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Scanner not turning on | Low battery; Power switch off | Charge the scanner; Ensure power switch is in the 'ON' position. |
| No data output after scanning | Not connected to host; Incorrect pairing (wireless); Application not ready; Barcode unreadable | Verify USB cable connection or wireless pairing; Ensure cursor is in the input field of your application; Try scanning a different, known-good barcode. |
| Scanner beeps but no data output | Application not focused; Keyboard language mismatch | Click into the desired input field; Check your computer's keyboard language settings. |
| Wireless connection unstable | Out of range; Interference; Low battery | Move closer to the receiver; Avoid strong electromagnetic interference; Recharge the scanner. |
| Cannot scan certain barcode types | Barcode type not enabled; Damaged barcode | Refer to the full programming manual (if available) to enable specific barcode symbologies; Ensure barcode is not damaged. |
9. Technical Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 0.39 x 0.39 x 0.39 inches (approx. 16 cm / 6.3 in length, 9 cm / 3.5 in height, 7 cm / 2.76 in width) |
| Item Weight | 9.5 ounces |
| Connectivity Technology | USB Cable, 2.4G Wireless |
| Power Source | Corded Electric, USB Cable |
| Operating Voltage | 3.5 Volts |
| Microprocessor | 32-bit ARM |
| Scan Rate | 300 scans per second |
| Decode Capability | UPC / EAN, Code128, Code39, Code 39Full ASCLL, Code bar, industrial/Interleaved 2 of 5, Code39, Code11, ISBN, ISSN, China post, GS1 Databar, Code32, etc. |
| Compatible Devices | Desktop, Laptop, Smartphone, Tablet |
| Internal Storage | 512KB (for data storage in storage mode) |
| Battery Capacity | 1400mAh |
| Battery Life | 7-10 days (typical usage) |

Figure 9.1: Physical dimensions of the Bewinner YHD-5100 Bar Code Scanner.

Figure 9.2: Internal components, including the 32-bit ARM microprocessor, contributing to the scanner's performance.

Figure 9.3: Details on the scanner's internal storage and battery specifications.
10. Warranty and Support
10.1. Warranty Information
Bewinner products are manufactured to high quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Bewinner website. Keep your purchase receipt as proof of purchase for warranty claims.
10.2. Customer Support
If you require further assistance, have questions not covered in this manual, or need technical support, please contact Bewinner customer service through the contact information provided on the product packaging or the official Bewinner website. When contacting support, please have your product model (YHD-5100) and purchase details ready.