1. When swiping the card, the machine screen will prompt the cardholder to sign.
At this time, you can sign your name on the screen with a special pen.
3. The advantage of electronic signature is to save the electronic receipt and prevent the risk of bill adjustment after the paper receipt is lost. If there is no stylus on the machine and the cardholder is not prompted to sign on the screen of the machine, it means that the machine does not support it!
Extended data:
POS model classification
1, hand-held POS machine. Small size, easy to move, quick operation with single key, no need to remember and input multiple item numbers.
2. Desktop POS machine. It is larger and more functional than the hand-held POS machine.
3, mobile phone POS machine. According to the operation mode, it is divided into mobile phone external device card reader and mobile phone dedicated POS machine.
Mobile phone external device card swiping machine
Advantages: 1, easy to carry around; 2, small size; 3. Low cost.
Disadvantages are: 1, which requires external equipment; 2. Slow data transmission; 3. The arrival time is slow; 4. The credit card limit is low.
Baidu encyclopedia -pos machine