Several ways to change the password of the password gate

With the popularization of the password gate, the number of users is getting bigger and bigger, and the default password of the door guard is most consistent. In order to give the password access function to provide a wide range of customer safety and good experience, the following is the method to change the password.
The password access machine has two passwords, which are used for the password (usually 1234) and the password required to enter the password (9999 or 990101 in general).
1, enter a state of change: press the * key first, and then enter the default programming password enter a state of change, at this time normally on password access control machine, if no operation within 20 s exit modify state.
2. Change the programming password: then press 0, then enter the new password, repeat the new password operation, and if you can hear the prompt, the password will be changed successfully.
3. Change the opening method: press 1 and 0 in the programming state and open the door in any way using the password and the sensor card.
4. Change the opening password: just press 3 and then enter 4 new passwords. If the input number is 0000, it will clear the original password.