How to change user on SWAT page (or how to control Samba by nonprivileged user)

I logged into SWAT with my nonprivileged user, since the root account is usually disabled on modern Linux systems. I cannot control any Samba parameters by this user. Once I enable the root account, how should I logout from SWAT and re-login into SWAT as root? Or how should I make my nonprivileged user to be able to control Samba parameters? Put the user into certain group? Specify the user in some SWAT config as a privileged one?