You can reach Default Output tab by clicking Tools > Options > Default Output . Default output is predefined settings for output options. It is used to speed up output options.
Default Output Window is same as Output Settings tab at the Edit Profile Window. This settings are explained at the Edit Profile section before, please see Output Settings page to have detailed information.
On the figure shown above, the format for the File Name is defined and the path of the output folder for the captured files will be C:\INGEST\ .Record Limitation option is also set and the recorded files will be continuously split for each 30 min.