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Command Reference

SCPI Basics

Chapter 4 151

MSUS (Mass Storage Unit Specifier) Variable

The variable "<msus>" enables a command to be file system specific when working with user

files. Some commands use it as the only command parameter, while others can use it in

conjunction with a file name when a command is not file system specific. When used with a

file name, it is similar to Format 2 in the “File Name Variables” on page 150. The difference is

the file system specifier (msus) occupies its own variable and is not part of the file name

syntax.

The following examples illustrate the usage of the variable "<msus>" when it is the only

command parameter:

The variable "<msus>" is replaced with "LIST:". When the command is executed, the output

displays only the files from the List file system.

The following examples illustrate the usage of the variable "<file name>" with the variable

"<msus>":

The command from the above example cannot discern which file system LIST_1 belongs to

without a file system specifier and will not work without it. When the command is properly

executed, LIST_1 is deleted from the List file system.

The following example shows the same command, but using Format 2 from the “File Name

Variables” on page 150:

:MMEMory:DELete:NAME "LIST_1@LIST"

When a file name is a parameter for a command that is not file system specific, either format

("<file name>","<msus>" or "<file name@file system>") will work.

Refer to Table 4-4 on page 185 for a listing of the file systems and types.

Command Syntax with the msus variable

:MMEMory:CATalog? "<msus>"

Command Syntax with the file system

:MMEMory:CATalog? "LIST:"

Command Syntax with the file name and msus variable

:MMEMory:DELete[:NAME] "<file name>",["<msus>"]

Command Syntax with the file name and file system

:MMEMory:DELete:NAME "LIST_1","LIST:"

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Agilent Technologies PSG Manual de Instruções Página 165