|
When using more than 2 sheets of public transportation cards (a subway and bus), credit cards of RFID&IC, etc., the Magic Block Card and various Excess Cards, the Magic Block Card is used to prevent the occurrence of malfunction and interference between each Cards and also is used to avoid having unnecessary recognition.
For the Cards not in use, you can prevent them from being recognized by inserting the Magic Block Card in front or rear side of the cards then no recognition is made.
|