In special cases, it is necessary to use multiple cards together to open the door. Steps: ① Click "Device Management" - "Basic Settings" in the main menu of the software, "Multi-card authentication Settings", as shown in the following picture:

 ② Connect to the figure, select the door device that needs multi-card authentication in the screen, and double-click it, as shown in the following figure: 

 ③ Connect the figure operation, first select the "Enable" item, and then select the conditions of multi-card authentication according to the actual needs, click the "OK" button to complete the setting operation of multi-card authentication.

Other matters:

① When setting multi-card authentication, the communication between the access control device and the computer needs to be connected normally, otherwise the setting will not be successful.

When entering the number of people who swipe the card at the same time, note that it should not be greater than the maximum number of people selected, that is, select 5 people, and the number of people who swipe the card at the same time is not entered 5 people, it can be more than 2 people and less than 5 people. Meaning: among the 5 people selected, the door can be opened as long as the number of people entering the card is reached.