1. Produktas baigtasview
The LENVII D7800 is a high-performance desktop barcode scanner designed for efficient and hands-free operation. It features omnidirectional scanning capabilities, allowing it to quickly capture both 1D and 2D barcodes from various surfaces, including paper, labels, and digital screens. Its plug-and-play design ensures easy integration with common operating systems.

Figure 1: LENVII D7800 Desktop Omnidirectional Barcode Scanner
2. Sąrankos instrukcijos
The LENVII D7800 scanner is designed for simple plug-and-play installation. No additional drivers or software are typically required for basic operation.
- Prijunkite USB kabelį: Locate the USB cable attached to the scanner. Plug the USB-A connector into an available USB port on your computer (PC, laptop, or POS system).
- Sistemos atpažinimas: Your operating system (Windows, Mac OS, Linux) should automatically detect and install the necessary device drivers. This process usually takes a few seconds.
- Paruošta naudoti: Once the system recognizes the scanner, it will be ready to input scanned barcode data into any application that accepts keyboard input, such as a word processor, spreadsheet, or POS software.

Figure 2: Connecting the scanner via USB for plug-and-play operation.
3. Naudojimo instrukcijos
The D7800 scanner operates in an automatic, hands-free mode. Simply place the item with the barcode in front of the scanner's window.
- Automatinis aptikimas: The scanner features an auto-sensing function. When a barcode is presented within its scanning field, the scanner will automatically activate its light and attempt to read the barcode.
- Nuskaitymo technika: Position the barcode so it is fully visible to the scanner's window. A successful scan is typically indicated by an audible beep and the barcode data appearing on your connected device.
- Skenavimas iš ekranų: The CCD scanning technology allows for efficient reading of barcodes displayed on mobile phone screens, tablets, and computer monitors. Ensure the screen brightness is adequate for optimal scanning.

Figure 3: The scanner's ability to read barcodes directly from mobile phone screens.
3.1. Barcode Scanning Demonstration
Video 1: Demonstration of the LENVII D7800 scanner reading various 1D and 2D barcodes from physical items and digital displays.
4. Palaikomi brūkšninių kodų tipai
The LENVII D7800 scanner is capable of decoding a wide range of 1D and 2D barcode symbologies, including those that are damaged or difficult to read.
- 1D kodai: UPC/EAN, Code39, Interleaved 2 of 5, Code93, Code 128, Codabar, Industry25, Matrix25, ISBN/ISSN, ISBT, China Post, GS1-128, Standard 2 of 5, MSI, RSS, ITF14, Telepen, etc.
- 2D/QR Codes: PDF417, QR Code, Data Matrix, Micro QR Code, Micro PDF417, Maxicode, Aztec, Hanxin, etc.
- Special Barcodes: The scanner can effectively read blurred, damaged, distorted, colorful, or reflective barcodes.

4 pav. Pvzamples of various 1D and 2D barcodes, including damaged and reflective types, that the scanner can read.
5. Priežiūra
To ensure the longevity and optimal performance of your LENVII D7800 barcode scanner, follow these maintenance guidelines:
- Valymas: Regularly clean the scanning window with a soft, lint-free cloth. For stubborn smudges, use a small amount of mild glass cleaner applied to the cloth (not directly to the scanner).
- Tvarkymas: While the scanner features an anti-shock design capable of withstanding minor drops (up to 1.2 meters), avoid unnecessary impacts or rough handling.
- Saugykla: Store the scanner in a clean, dry environment away from extreme temperatures and direct sunlight when not in use.
- Kabelio priežiūra: Kad nepažeistumėte USB kabelio viduje, per daug nelenkite ir nesukite jo.

Figure 5: The scanner's anti-shock design helps protect it from accidental drops.
6. Problemų sprendimas
If you encounter issues with your LENVII D7800 scanner, refer to the following common problems and solutions:
- Skaitytuvas nereaguoja:
- Įsitikinkite, kad USB kabelis yra tvirtai prijungtas prie skaitytuvo ir kompiuterio.
- Try plugging the scanner into a different USB port on your computer.
- Iš naujo paleiskite kompiuterį.
- Brūkšninis kodas nenuskaitomas:
- Verify the barcode is clear, undamaged, and not excessively faded.
- Ensure the barcode is positioned correctly within the scanner's field of view.
- Clean the scanner's window if it is dirty or smudged.
- Patikrinkite, ar skaitytuvas palaiko brūkšninio kodo tipą (žr. 4 skyrių).
- Neteisinga duomenų išvestis:
- Ensure your computer's keyboard layout matches the expected input.
- If specific programming is required (e.g., adding prefix/suffix), refer to the full programming manual (if provided separately).
If these steps do not resolve the issue, please contact LENVII customer support for further assistance.
7. Specifikacijos
| Funkcija | Specifikacija |
|---|---|
| Prekės ženklas | LENVII |
| Modelio numeris | D7800 |
| Spalva | Juoda |
| Ryšio technologija | USB kabelis |
| Šviesos šaltinis | 617nm LED (aimer); 6500K LEDs (illumination) |
| Vaizdo jutiklis | 640*480 CMOS |
| Procesorius | ARM32-bit |
| Nuskaitymo greitis | 200 kartų / s |
| Galia | DC 5V |
| Dabartinė | 400mA±5% |
| Operacinės sistemos suderinamumas | „Windows XP/7/8/10“, „Linux“, „Mac OS“ |
| Prekės svoris | 230 g |
| Gaminio matmenys (IxPxH) | 10 x 9 x 14 cm |

Figure 6: Physical dimensions of the LENVII D7800 barcode scanner.
8. Garantija ir palaikymas
LENVII products are manufactured to high-quality standards. For specific warranty details, including coverage period and terms, please refer to the warranty card included with your product or contact LENVII customer support directly.
For technical assistance, troubleshooting, or any product-related inquiries, please reach out to your retailer or the LENVII customer service team. Contact information can typically be found on the product packaging or the official LENVII websvetainę.





