In this section:System Administration introduction ........................................ 11-1Embedded computer policy .................................................... 11-1Default user accounts ............................................................ 11-2Create new user accounts...................................................... 11-2System directories and files ................................................... 11-3Manage projects for multiple users ........................................ 11-3Enable scroll bars in Acrobat Reader ..................................... 11-4System-level backup and restore software ............................ 11-4Protect user files and system software ................................... 11-6System Administration introductionThis section provides information on system maintenance tasks for the 4200A-SCS computer.Most of the procedures discussed in this section should be done by a knowledgeable Microsoft ®Windows ® system administrator.Embedded computer policyIf you install software that is not part of the standard application software for the 4200A-SCS, thenon-standard software may be removed if the instrument is sent in for service. Back up theapplications and any data related to them before sending the instrument in for service.Do not reinstall or upgrade the Microsoft® Windows ® operating system (OS) on any 4200A-SCS. Thisaction should only be performed at an authorized Keithley Instruments service facility. Violation ofthis precaution will void the 4200A-SCS warranty and may render the 4200A-SCS unusable. Anyattempt to reinstall or upgrade the operating system (other than a Windows service pack update) willrequire a return-to-factory repair and will be treated as an out-of-warranty service, including time andmaterial charges.Although you must not attempt to reinstall or upgrade the operating system, you can restore the harddrive image (complete with the operating system) using the Acronis True Image OEM software tool,described in System-level backup and restore software (on page 11-4).Section 11System administration