There is no universal application for credit cards, that is to say, the POS machines currently used have no IC card acceptance procedures, and the version is too old and should be upgraded. Merchants need to contact the POS machine maintenance unit to upgrade the machine as soon as possible. POS machine is a multifunctional terminal, which can automatically transfer electronic funds by connecting with the computers of special merchants and accepting credit cards from credit card outlets. It has the functions of supporting consumption, pre-authorization, balance inquiry and transfer, and is safe, fast and reliable to use. When using a credit card, carefully check the card number and amount on the bill before signing for confirmation. After confirmation, sign in the bill signature column, and pay attention to the signature agreement on the back of the bank card.

I. pos machines

Point of sale means "point of sale" in Chinese, which is called point of sale information management system. It is a terminal reader equipped with barcode or OCR code technology, which has the function of cashing cash or barter quota. Its main task is to provide data services and management functions for commodity and media transactions, and to carry out non-cash settlement.

Second, the credit card signing process

Credit card signing process of CCB.

Prerequisites: the customer has a savings card, which has been signed by online banking, and a credit card account has been added to online banking. All credit card accounts added through online banking show no signature. If not, you must first add a credit card to the online banking. Customers need to bring their savings cards, credit cards and ID cards to the CCB counter for online banking credit card signing business. 1. When you apply for a card, you can choose to fill in the corresponding options in the column of "repayment authorization for reserved account" in the application form. 2. At CCB: When signing contracts at various outlets, you should bring your personal settlement account (debit card, quasi-credit card, wealth management card, savings passbook), ID card and credit card. It is recommended to choose full repayment.

To sum up, POS is a multi-functional terminal, which is installed in the special merchants and acceptance outlets of credit cards and connected with computers to form a network, and can realize the automatic transfer of electronic funds. It has the functions of supporting consumption, pre-authorization, balance inquiry and transfer, and is safe, fast and reliable to use.