The experience of the Gochengdu reporter at a checkout in Bravo YH, a popular supermarket in the city, would give you the know-how to use the time-saving and user-friendly self-service cash register.
Actually there are staff service and self-service in the supermarket, and most customers prefer the latter for checkout.
Step 1: Choose "member" or "non-member" on the touchscreen. Choose "member" and enter your telephone number. The membership may give you discounts on some of the purchases.