Agilent Technologies N8201A Service Manual download pdf (Page 146)

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146 Agilent N8201A Performance Downconverter Synthetic Instrument Module, 250 kHz to 26.5 GHz

7 File

Catalog

Displays directories and files located on the selected drive, depending upon the preferences

set under the

Type (page 146) and Sort (page 148) keys. Catalog displays menus to

navigate the drives and to sort and select the files you wish to view.

The internal analyzer “drive” (C:\) is not an actual disk drive, but an area of nonvolatile

(flash) memory which is presented as though it were a disk drive.

The internal analyzer “drive” (I:\) is used for instrument firmware and optional

measurement personalities. It is not available for data/file storage.

Key Path: File

Remote Command:

:MMEMory:CATalog? <dir_name>

Remote Command Notes:

Query returns all files in the specified drive\path name.

The return data will be in the format: <mem_used>,<mem_free>

{,<file_listing>}

Each <file listing> indicates the name and size in bytes of one file in the directory

list in the form: “<file_name>, <file_size>” for example, a file called

“SCREN000.GIF” which is 21286 bytes in size, would list as

“SCREN000.GIF,,21286.” Directories are indicated by square brackets, for example

“[MYDIR],,.”

All files are listed, without regard to the preferences selected for the file catalog on the

analyzer screen.

If you use lowercase characters, they are converted to uppercase in interpreting catalog

commands.

Example:

:MMEM:CAT? ‘C:\MYDIR\MYMEAS’

Type

Allows you to select the desired type of instrument-data files to be displayed. Common

types of instrument data files include trace data, limit line data, and amplitude correction

data. See “File Types" on page 144 for more information The catalog displays all files (if

Type is set to All) or files of the currently selected file type. All directories are always

displayed.

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