S7-300 file configuring Problem

I configured a file in simatic manager.And I select plc (with mouse) and object properties (with right click).One window opened (title object properties)and The data is read-only message is showing.I press OK.button and Properties window is opened but I can not change retentive memory,cycle/clock memory etc..How can I do this?Thanks....

You can only change these properties in hardware configuration.

thanks Peter again