VIEWSONIC VS13730 - Manual (Page 12)

ViewSonic VPC221 7
Advanced menu: Conduct the following superior settings.
Suspend mode:choose sleep mode.
Legacy USB Support: under the DOS system, set if the USB device
can be used.
Security menu: the security setting to enter the system.
Change supervisor password : to display whether has settings when
entering the Setup utility; if has setting, it will display Set, if doesn't
have setting, it display Not Installed.
Change user password : to display whether has settings when entering
the Setup utility; if has setting, it will display Set, if doesn't have setting,
it display Not Installed.