1、pos机在使用的时候要先打开左上方的电源键。2、然后将银行卡、信用卡等的磁条部分通过pos机的卡槽。3、从前往后刷，刷卡完毕后。4、再通过pos机的数字按键输入本次消费的金额。5、点击确认，之后输[详细]
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