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# QR and Barcode

Tạo mã tuyến tính và mã ma trận cho bất kỳ văn bản hoặc URL nào.

The QR and Barcode generation feature allows you to encode any text string or URL as a barcode or a QR code and insert it as a graphical object in a document for scanning.

Để truy cập lệnh này...

#### From the menu bar:

Choose Insert - OLE Object - QR and Barcode.

#### From the tabbed interface:

On the Insert menu of the Insert tab, choose QR and Barcode.

## URL or text

Văn bản để tạo mã.

## Error correction

The error correction value for the QR Code that is to be created. The error correction of a QR code is a measure that helps a QR code to recover if it is damaged.

There are four standard error correction values.

- Low: 7% of codewords can be restored.

- Medium: 15% of codewords can be restored.

- Quartile: 25% of codewords can be restored.

- High: 30% of codewords can be restored.

## Lề

The width of the margin surrounding the code.

## Ví dụ

The QR code below was generated for the text www.libreoffice.org: