A QR code user manual is a guide that helps users understand how to use QR codes properly and effectively. QR codes consist of black and white squares that can be scanned by a smartphone or QR code reader app to reveal information or perform an action. The user manual should explain the basics of what QR codes are, how to download a QR code reader app, and how to scan a code using a smartphone camera. It should also provide examples of how to use QR codes, such as accessing a website, adding an event to a calendar, or making a payment. Additionally, it should provide tips for creating effective QR codes such as ensuring they are large enough, linking to the correct webpage, and avoiding complex designs. Overall, a QR code user manual should empower users to make the most of this powerful and versatile technology.