Wallet Preferences Tab
Enable The KDE Wallet Subsystem – Toggling this option will enable or disable the usage of the KDE wallet.
Close When Unused For X Minutes – This will close the KDE wallet and remove privileges when unused for the amount of minutes specified.
Close When Screensaver Starts – This will close the KDE wallet and remove privileges when the system screensaver becomes activated.
Close When Last Application Stops Using It – This will close the KDE wallet and remove privileges when the last application stops using the wallet.
Select Wallet To Use As Default – You can even change you default wallet, just select a new one you have saved.
Different Wallet For Local Passwords – This will cause different wallets to be used for your user and root accounts.
Show Manager In Tray – You can toggle the display of the KDE wallet system tray icon with this option.
Hide System Tray Icon When Last Wallet Closes – Strait forward, the wallet icon in the system tray will disappear when the last wallet is closed.
Access Control Tab
The access control tab will display a list of applications that have accessed the KDE wallet on your system in the past. Also displayed will be your default policy for dealing with the corresponding application, allow, deny, etc. Items in the list can be altered and deleted.
Prompt When An Application Accesses An Open Wallet – When this option is toggled you will receive a pop-up window every time an applications uses the KDE wallet. This is the only option in the access control tab.