Introduction
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.
Түзмөктүн оптималдуу иштешин жана узак мөөнөттүү кызмат кылуусун камсыз кылуу үчүн аны колдонуудан мурун ушул колдонмону кылдат окуп чыгыңыз.
Пакеттин мазмуну
Кутучаны ачканда, төмөндө көрсөтүлгөн бардык буюмдар бар экенин текшериңиз:
- VIISAN S21 A2 Book Scanner
- USB кабели
- Scan Pad
- Колдонуучунун колдонмосу (бул колдонмо)
- Кол баскычы
Жайгашуу
1. Системалык талаптар
Ensure your computer meets the following minimum system requirements:
- Операция системасы: Windows 7, 8, 10, 11, or macOS 10.12 or later.
- Байланыш: Жеткиликтүү USB порту.
2. Драйвер жана программалык камсыздоону орнотуу
Before connecting the scanner, download and install the appropriate drivers and software from the official VIISAN webсайт. Орнотуу үчүн экрандагы нускамаларды аткарыңыз.

Figure 1: Download and install the necessary software from the VIISAN webсайт.
3. Аппараттык туташуу
- Place the VIISAN S21 scanner on a stable, flat surface.
- Сканерден USB кабелин компьютериңиздеги жеткиликтүү USB портуна туташтырыңыз.
- 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.
Иштөө нускамалары
1. Документтерди сканерлөө
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").
- Жайгашкан жери: Place the document or object flat on the scan pad, ensuring it is within the camera's view.
- Жөнгө салынуучу бийиктик: The scanner features an adjustable height with a 90-degree foldable hinge to accommodate different document sizes.
- Тез сканерлөө: 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. Өркүндөтүлгөн сканерлөө функциялары
- 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.
- Штрихкод таануу: 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.
Эскертүү: 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.
Техникалык тейлөө
To ensure the longevity and optimal performance of your VIISAN S21 Document Scanner, follow these maintenance guidelines:
- Тазалоо: 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.
- Сактагыч: Колдонулбай турган учурда, сканерди таза, кургак жерде, күндүн түз нурунан жана өтө жогорку температурадан алыс сактаңыз.
- Колдонуу: Сканерди этияттык менен кармаңыз. Аны түшүрүп албоодон же катуу соккуга дуушар кылбоодон алыс болуңуз.
- Кабелдик башкаруу: Ensure the USB cable is not kinked or strained to prevent damage.
Проблемаларды чечүү
If you encounter issues with your VIISAN S21 Document Scanner, please refer to the following common troubleshooting steps:
| Көйгөй | Мүмкүн болгон себеп / Чечим |
|---|---|
| Сканер компьютер тарабынан таанылган жок. |
|
| Scanned images are blurry or unclear. |
|
| Программа бузулат же катып калат. |
|
| OCR not working correctly. |
|
If the problem persists after attempting these solutions, please contact VIISAN technical support for further assistance.
Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Модель аты | S21 |
| Бренд | VIISAN |
| Резолюция | 26MP (5888*4522 pixels), 300 DPI |
| Max Capture Size | A2 (16.54" x 23.39"), A3 (11.69" x 16.53") |
| Скандоо ылдамдыгы | Under 1.5 seconds/page |
| Байланыш технологиясы | USB |
| Колдоого алынган OS | Windows 7, 8, 10, 11, macOS 10.12 or later |
| OCR тилдери | 130тен ашык тилди колдойт |
| LED жарык | Built-in 3-level high-brightness LED lamp |
| Элемент Салмагы | 2.2 фунт (болжол менен 1 кг) |
| Пакеттин өлчөмдөрү | 19.84 x 7.56 x 6.93 дюйм |
| Өндүрүүчү | VIISAN |
| Келип чыккан өлкө | Кытай |

Figure 11: Detailed part descriptions and dimensions of the VIISAN S21 scanner.
Кепилдик жана колдоо
The VIISAN S21 Document Scanner comes with a 1 жылдык кепилдик from VIISAN.
For technical assistance, troubleshooting, or warranty claims, please contact the VIISAN tech support team. Refer to the official VIISAN webакыркы байланыш маалыматы үчүн сайт.
VIISAN Official Webсайт: VIISAN Store on Amazon





