Page 33 of 1315.1.4.3 Purge Expired PIN-CodesOver time, as the database builds, you may want to purge expired PIN-Codes to free up space.5.1.4.4 Purge Unused PIN-CodesUse this to purge unused PIN-Codes from the system.5.1.4.5 Manage PIN-CodesThis will show a summary of all the PIN-Codes, all the usernames, and all the MAC addressesthat are active in the Captive Portal. Each one appears as a separate line item in the PIN-Codes table.Using the top section of this screen you can:• Remove CDRs for one or more 'PIN-Codes'.• Delete one or more 'PIN-Codes'.• Download the table to a .csv file.