※ Fixed Key Mode: For Private Places Use (Home, office, etc)
Verify password or read card to unlock, then it will get locked automatically.
Password or card is fixed until you change it.
※ One-Time Key Mode: For Public Places Use (Storage cabinet in supermarket, GYM, etc.)
User put his stuff in cabinet, then set any password, or read a blank card, to lock the cabinet. and
use the same password or card to open the cabinet when he comes back. And key get invalid.
Then the vacant cabinet becomes available for other users.
The next user just repeat the same operation to user the cabinet.