Увод
This manual provides detailed instructions for the setup, operation, and maintenance of your VIISAN S21 Document Scanner. The VIISAN S21 is a versatile USB document camera and scanner designed for high-resolution scanning of various documents, including large A2 and A3 sizes, books, and 3D objects. It features advanced technologies such as automatic flattening, page-turn detection, and powerful OCR capabilities.
Молимо вас да пажљиво прочитате ово упутство пре употребе уређаја како бисте осигурали оптималне перформансе и дуготрајност.
Садржај пакета
Након распакивања, проверите да ли су присутне све ставке наведене у наставку:
- VIISAN S21 A2 Book Scanner
- УСБ кабл
- Scan Pad
- Упутство за употребу (овај приручник)
- Ручно дугме
Сетуп
1. Системски захтеви
Ensure your computer meets the following minimum system requirements:
- Оперативни систем: Windows 7, 8, 10, 11, or macOS 10.12 or later.
- Повезивање: Доступан УСБ порт.
2. Инсталација драјвера и софтвера
Before connecting the scanner, download and install the appropriate drivers and software from the official VIISAN webсајт. Пратите упутства на екрану за инсталацију.

Figure 1: Download and install the necessary software from the VIISAN webсајту.
3. Повезивање хардвера
- Place the VIISAN S21 scanner on a stable, flat surface.
- Повежите USB кабл са скенера на доступан USB порт на рачунару.
- Place the scan pad on the desk directly under the scanner's camera lens.

Figure 2: Proper setup of the VIISAN S21 Document Scanner with the scan pad.
Упутство за употребу
1. Скенирање докумената
The VIISAN S21 is capable of scanning various document types and sizes, up to A2 (16.54" x 23.39") and A3 (11.69" x 16.53").
- Пласман: Place the document or object flat on the scan pad, ensuring it is within the camera's view.
- Подесива висина: The scanner features an adjustable height with a 90-degree foldable hinge to accommodate different document sizes.
- Брзо скенирање: Scans at ultra-fast speeds of under 1.5 seconds per page.

Figure 3: The scanner offers 26MP resolution and adjustable height for A2/A3 documents.

Figure 4: The VIISAN S21 can scan various items including large format documents and 3D objects.
2. Напредне функције скенирања
- Flattening Curve Technology: Automatically corrects curved pages, removes finger images, cleans backgrounds, repairs damaged edges, and splits scanned images into two pages if needed.

Figure 5: Flattening Curve Technology corrects distortions from curved pages.
- Page-Turning Detection: For books, the scanner can automatically initiate scans when a page is turned, allowing for seamless and continuous scanning without disassembling the book.

Figure 6: Automatic page-turn detection for efficient book scanning.
- Powerful OCR Recognition: The built-in Optical Character Recognition (OCR) function converts scanned images into searchable PDFs and editable Word, Excel, and text formats. It supports over 130 languages.

Figure 7: OCR technology allows conversion of scanned documents to editable formats.
- Remote Collaboration Ready: The S21 is UVC/UAC compliant, enabling seamless content projection using third-party video conferencing software (e.g., Zoom, Google Meet, Skype). It functions as both a document camera for remote teaching/learning and a scanner for digitizing papers.
- Scan Multiple Images Simultaneously: The software allows scanning several documents at once, automatically cropping them, correcting alignment, and saving them as separate files.

Figure 8: Scan multiple small documents simultaneously for efficient processing.
- Препознавање бар кода: The document scanner can read barcodes and QR codes, and export the results to Excel.

Figure 9: Barcode and QR code recognition with export functionality.
3. Built-in 3-Level LED Light Control
The scanner features a built-in high-brightness LED lamp with three adjustable levels. This provides optimal lighting for scanning and reading, especially in low-light conditions. Adjust the brightness using the touch control on the scanner arm.
Напомена: Using the built-in LEDs in bright environments or with highly reflective papers is not recommended as it may cause glare.

Figure 10: The 3-level LED light control for optimal illumination.
Одржавање
To ensure the longevity and optimal performance of your VIISAN S21 Document Scanner, follow these maintenance guidelines:
- Чишћење: Regularly wipe the scanner's exterior and the camera lens with a soft, dry, lint-free cloth. Do not use liquid cleaners or abrasive materials.
- Складиштење: Када се не користи, чувајте скенер на чистом и сувом месту, даље од директне сунчеве светлости и екстремних температура.
- Руковање: Пажљиво рукујте скенером. Избегавајте да га испустите или изложите јаким ударцима.
- Управљање кабловима: Уверите се да USB кабл није савијен или затегнут како бисте спречили оштећења.
Решавање проблема
If you encounter issues with your VIISAN S21 Document Scanner, please refer to the following common troubleshooting steps:
| Проблем | Могући узрок / решење |
|---|---|
| Рачунар не препознаје скенер. |
|
| Скениране слике су мутне или нејасне. |
|
| Софтвер се руши или замрзава. |
|
| OCR not working correctly. |
|
If the problem persists after attempting these solutions, please contact VIISAN technical support for further assistance.
Спецификације
| Феатуре | Детаљ |
|---|---|
| Назив модела | С21 |
| Бранд | ВИИСАН |
| Резолуција | 26MP (5888*4522 pixels), 300 DPI |
| Максимална величина снимања | A2 (16.54" x 23.39"), A3 (11.69" x 16.53") |
| Брзина скенирања | Under 1.5 seconds/page |
| Технологија повезивања | УСБ |
| Подржани ОС | Windows 7, 8, 10, 11, macOS 10.12 or later |
| OCR језици | Подржава преко 130 језика |
| ЛЕД светло | Built-in 3-level high-brightness LED lamp |
| Тежина артикла | 2.2 фунти (приближно 1 кг) |
| Димензије пакета | 19.84 к 7.56 к 6.93 инча |
| Произвођач | ВИИСАН |
| Земља порекла | Кина |

Figure 11: Detailed part descriptions and dimensions of the VIISAN S21 scanner.
Гаранција и подршка
The VIISAN S21 Document Scanner comes with a 1 година гаранције from VIISAN.
For technical assistance, troubleshooting, or warranty claims, please contact the VIISAN tech support team. Refer to the official VIISAN webсајт за најновије контакт информације.
VIISAN Official Webсајт: VIISAN Store on Amazon