Backup offline SOLMAN

Hello,

I would schdule a offline Backup on solman, but i find a litle options on tcode DB13: Check Database Consistency, Differential Database Backup, Full Database Backup, Transaction Log Backup, User Database Backup, Central Calendar Log Collector.

and when i lance brtools it's not start ==> 'brtools' is not recognized as an internal or external command,

operable program or batch file.

could you pls tell me how can i schdule the offline backup and why i can't found the other options on DB13.

and how can i use Brtools on windows?

SAP : version 700

OS : Win 2003

DB : SQL Server.

could you help me please

Thanks a lot