VIISAN S21
VIISAN S21 Document Scanner User Manual
Model: S21 | Brand: VIISAN
Zavedení
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.
Před použitím zařízení si prosím pečlivě přečtěte tento návod k obsluze, abyste zajistili optimální výkon a dlouhou životnost.
Obsah balení
Po vybalení zkontrolujte, zda jsou přítomny všechny níže uvedené položky:
- VIISAN S21 A2 Book Scanner
- USB kabel
- Scan Pad
- Uživatelská příručka (tato příručka)
- Ruční tlačítko
Nastavení
1. Systémové požadavky
Ensure your computer meets the following minimum system requirements:
- Operační systém: Windows 7, 8, 10, 11, or macOS 10.12 or later.
- Konektivita: Dostupný USB port.
2. Instalace ovladačů a softwaru
Before connecting the scanner, download and install the appropriate drivers and software from the official VIISAN webwebu. Postupujte podle pokynů na obrazovce pro instalaci.

Figure 1: Download and install the necessary software from the VIISAN webmísto.
3. Hardwarové připojení
- Place the VIISAN S21 scanner on a stable, flat surface.
- Připojte kabel USB ze skeneru k volnému portu USB v počítači.
- 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.
Návod k obsluze
1. Skenování dokumentů
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").
- Umístění: Place the document or object flat on the scan pad, ensuring it is within the camera's view.
- Nastavitelná výška: The scanner features an adjustable height with a 90-degree foldable hinge to accommodate different document sizes.
- Rychlé skenování: 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. Pokročilé funkce skenování
- 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.
- Rozpoznávání čárových kódů: 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.
Poznámka: 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.
Údržba
To ensure the longevity and optimal performance of your VIISAN S21 Document Scanner, follow these maintenance guidelines:
- Čištění: 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.
- Skladování: Pokud skener nepoužíváte, skladujte jej v čistém a suchém prostředí mimo dosah přímého slunečního záření a extrémních teplot.
- Zacházení: Se skenerem zacházejte opatrně. Nevystavujte jej pádu ani silným nárazům.
- Správa kabelů: Abyste předešli poškození, ujistěte se, že kabel USB není zalomený ani natažený.
Odstraňování problémů
If you encounter issues with your VIISAN S21 Document Scanner, please refer to the following common troubleshooting steps:
| Problém | Možná příčina / řešení |
|---|---|
| Počítač nerozpoznává skener. |
|
| Naskenované obrázky jsou rozmazané nebo nejasné. |
|
| Software padá nebo zamrzá. |
|
| OCR not working correctly. |
|
If the problem persists after attempting these solutions, please contact VIISAN technical support for further assistance.
Specifikace
| Funkce | Detail |
|---|---|
| Název modelu | S21 |
| Značka | VIISAN |
| Rezoluce | 26MP (5888*4522 pixels), 300 DPI |
| Max Capture Size | A2 (16.54" x 23.39"), A3 (11.69" x 16.53") |
| Rychlost skenování | Under 1.5 seconds/page |
| Technologie připojení | USB |
| Podporovaný OS | Windows 7, 8, 10, 11, macOS 10.12 or later |
| OCR Languages | Podporuje více než 130 jazyků |
| LED světlo | Built-in 3-level high-brightness LED lamp |
| Hmotnost položky | 2.2 libry (přibližně 1 kg) |
| Rozměry balení | 19.84 x 7.56 x 6.93 palce |
| Výrobce | VIISAN |
| Země původu | Čína |

Figure 11: Detailed part descriptions and dimensions of the VIISAN S21 scanner.
Záruka a podpora
The VIISAN S21 Document Scanner comes with a 1-letá záruka from VIISAN.
For technical assistance, troubleshooting, or warranty claims, please contact the VIISAN tech support team. Refer to the official VIISAN webstránky s nejaktuálnějšími kontaktními informacemi.
VIISAN Official Webmísto: VIISAN Store on Amazon
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.