1. Introducció
This manual provides comprehensive instructions for the LENVII D7800 Desktop Automatic 2D Barcode Scanner. Please read this manual carefully before using the product to ensure proper operation and to maximize its performance and lifespan. Keep this manual for future reference.
2. Informació de seguretat
- Do not expose the scanner to water or excessive humidity.
- Avoid dropping the scanner from heights exceeding 1.2 meters to prevent damage, despite its anti-shock design.
- No intenteu desmuntar ni reparar l'escàner vosaltres mateixos. Poseu-vos en contacte amb personal de servei qualificat.
- Keep the scanning window clean to ensure optimal performance.
- Eviteu l'exposició directa dels ulls a la font de llum de l'escàner.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- LENVII D7800 Desktop Automatic 2D Barcode Scanner
- Cable USB (integrat)
- Manual d'usuari (aquest document)

Figura 3.1: Package contents including the scanner, USB cable, and user manual.
4. Producte acabatview
4.1 Característiques clau
- Disseny mans lliures: Omnidirectional scanning for 1D, 2D, and QR codes.
- CCD Scanning Technology: Capable of reading barcodes from mobile phone and computer screens, as well as damaged, blurred, distorted, colorful, or reflective barcodes.
- Plug and Play: No driver installation required.
- Àmplia compatibilitat: Works with Windows XP/7/8/10, Mac OS, and Linux operating systems.
- Cap ajustable: Features a 15° adjustable head for flexible scanning angles.
- Anti-shock Design: Dissenyat per suportar caigudes de fins a 1.2 metres.
4.2 Dimensions
The scanner has compact dimensions suitable for desktop use.

Figura 4.1: Davant i lateral view of the LENVII D7800 scanner with dimensions indicated.
4.3 Anti-shock Design
The LENVII D7800 is designed for durability, capable of withstanding accidental drops from a height of 1.2 meters without affecting its functionality.

Figura 4.2: Illustration of the scanner's anti-shock capability.
5. Configuració
5.1 Connexió de l'escàner
- Place the LENVII D7800 scanner on a stable, flat surface.
- Connect the integrated USB cable from the scanner to an available USB port on your computer (desktop or laptop).
- The scanner will power on automatically and initiate the "Plug and Play" process.

Figura 5.1: The scanner connected to various devices, demonstrating its plug-and-play functionality.
5.2 Instal·lació del controlador
The LENVII D7800 is a plug-and-play device. No additional drivers or software installation is required for basic operation. Your operating system (Windows, Mac OS, Linux) will automatically recognize the device.

Figura 5.2: Compatibility with various operating systems.
6. Instruccions de funcionament
6.1 Procediment bàsic d'escaneig
The D7800 scanner operates in an automatic, hands-free mode. Once connected, it is ready to scan.
- Ensure the scanner is connected to your computer and powered on.
- Present the barcode to the scanning window. The scanner will automatically detect and read the barcode.
- A successful scan is typically indicated by an audible beep and/or a visual confirmation (e.g., LED indicator).
- The scanned data will be transmitted to your computer as keyboard input.
6.2 Scanning Barcode Types
The scanner supports a wide range of 1D, 2D, and QR codes, including those that are less than perfect.

Figura 6.1: Examples of various barcode types and conditions the scanner can recognize.
6.3 On-Screen Barcode Scanning
The D7800 is capable of scanning barcodes directly from digital displays, such as smartphones, tablets, and computer monitors.

Figura 6.2: The scanner reading a barcode from a digital screen. Example barcode: 1234567890
6.4 Escenaris d'aplicació
The LENVII D7800 is suitable for various environments requiring efficient barcode scanning.

Figura 6.3: Common application environments for the scanner.
7. Manteniment
7.1 Neteja de l'escàner
- Assegureu-vos que l'escàner estigui desconnectat de la font d'alimentació abans de netejar-lo.
- Feu servir un drap suau, sec i sense borrissol per netejar l'exterior de l'escàner.
- For the scanning window, use a lens cleaning cloth or a soft cloth lightly dampened with a mild, non-abrasive cleaning solution. Avoid spraying cleaners directly onto the scanner.
- Do not use harsh chemicals, solvents, or abrasive materials, as these can damage the scanner's surface or scanning window.
7.2 Emmagatzematge
When not in use, store the scanner in a cool, dry place, away from direct sunlight and extreme temperatures. The maximum storage temperature is 60°C (140°F).
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| L'escàner no s'encén. | El cable USB no està connectat correctament o el port USB està defectuós. | Ensure the USB cable is securely connected. Try a different USB port on your computer. |
| L'escàner no llegeix codis de barres. |
|
|
| Les dades escanejades són incorrectes o incompletes. |
|
|
Si el problema persisteix després d'intentar aquestes solucions, poseu-vos en contacte amb l'atenció al client.
9. Especificacions
| Característica | Detall |
|---|---|
| Model | D7800 |
| Tipus | 2D CMOS Wired Barcode Scanner |
| Mètode de connexió | USB |
| Dimensions (A x A x P) | 84 mm x 140.2 mm x 90.1 mm (aprox. 3.31 x 5.52 x 3.55 polzades) |
| Pes | 230 g (aprox. 0.51 lliures) |
| Material | ABS |
| Color | Negre |
| Font de llum | 617nm LED (aimer); 6500K LEDs (illumination) |
| Sensor d'imatge | 640*480 CMOS |
| Processador | ARM de 32 bits |
| Velocitat d'escaneig | 200 vegades / s |
| Poder | DC 5V |
| Actual | 400mA ±5% |
| Sistema operatiu compatible | Windows XP/7/8/10, Mac OS, Linux |
| 1D Code Support | EAN-8, EAN-13, Codabar, CODE 39, CODE 93, CODE 128, China Post, GS1-128, UPC-A, UPC-E, ISBN/ISSN, ISBT, Interleaved 2 of 5, Standard 2 of 5, Matrix 2 of 5, Industrial 2 of 5, MSI, RSS, ITF14, Telepen, etc. |
| 2D/QR Code Support | Micro QR Code, Data Matrix, PDF417, Micro PDF417, Maxicode, Aztec, Hanxin, etc. |
| Temperatura màxima d'emmagatzematge | 60 °C (140 °F) |
10. Garantia i Suport
10.1 Informació de la garantia
LENVII products are covered by a limited warranty against defects in materials and workmanship. Please refer to the warranty card included with your product or contact LENVII customer support for specific warranty terms and conditions.
10.2 Atenció al client
For technical assistance, troubleshooting, or product inquiries, please contact LENVII customer support. Contact information can typically be found on the product packaging or the official LENVII weblloc.