> For the complete documentation index, see [llms.txt](https://wiki.hacode.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.hacode.vn/may-quet-ma-vach/shangchen-sc830g/bo-ky-tu-dau-va-cuoi-ma-vach.md).

# Bỏ ký tự đầu và cuối mã vạch

* SC 830G bỏ ký tự đầu và cuối khi quét mã vạch

<figure><img src="https://3659960158-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-McTIFySDDgIcf2zitGY%2Fuploads%2FQ02X5tKMAKWMYXGEGl6k%2F111.PNG?alt=media&amp;token=7f1780dc-4eda-471e-bf39-ec4de352d567" alt=""><figcaption></figcaption></figure>