1. If it is a China Merchants Bank card, give the card to the cashier when swiping the card, watch the other party swipe the card on the POS, enter your password after confirming the amount, and sign the purchase slip to complete the swiping. If small secret-free payment is enabled, small consumption does not need to be confirmed by entering a password.

2. turn on the power of the pos machine and enter the operation number and corresponding password. After the input, you will come to the pos card swiping interface. Press "Confirm" and enter "1" to select consumption. After entering the consumption amount, press "Confirm". You will come to the interface of "Please insert the card, swipe the card or wave the card". Operate the magnetic stripe card first.

3. At this time, you can put the credit card in the sensing area on the right, and the chip card is placed in the sensing area on the upper end of the machine; After the customer enters the password, the card can be swiped successfully, and the machine will automatically print two documents, and then return the documents, the bank card and the cardholder's stub to the customer.

4. A credit card can charge up to the credit card limit at a time, and the specific amount is determined by the credit limit. Debit card can not be overdrawn if all the balance in the card is swiped at most once.

5. To swipe a card with a pos machine, you need to turn it on first, and then press the function key as required. If you want to spend, press the consumption key, and then insert the bank card or bank++that needs to be swiped. When you see that++is correct, press OK. The last step is to enter the amount you want to brush.