2400 Series SourceMeter
®
User’s Manual SCPI Command Reference 18-29
:DELete[:SELected] <name>
:CALCulate[1]:MATH[:EXPRession]:DELete[:SELected] <name> Delete user-defined math expression
Parameters <name> = “user-name” Name of user-defined math expression
Description This command is used to remove (delete) the specified user-defined
math expression from the catalog. Once removed, that math expression
can no longer be selected. You can use the :CATalog? command to ver-
ify that the math expression is gone.
For example, if you wish to delete a user-defined math expression that is
named “math1,” you would send the following command:
:DELete “math1”
You cannot delete built-in math expressions. This will result in error
+808, “Expression cannot be deleted.”
:DELete:ALL
:CALCulate[1]:MATH[:EXPRession]:DELete:ALL Delete all user-defined math expression
Description This action command will remove (delete) all user-defined math expres-
sions from the catalog. Built-in math expressions are not affected.
Assign unit suffix
:UNITs <name>
:CALCulate[1]:MATH:UNITs <name> Specify units for user-defined calculation
Parameters <name> = Three ASCII characters enclosed in single or double quotes
Query :UNITs? Query units for user-defined calculation
Description This command is used to specify the units suffix name for a user-defined
math calculation. Use three ASCII characters for the units suffix name.
If using fewer than three characters, add spaces to the right of the units
name in the string. For example, if the units name is “Z,” send it as fol-
lows:
:calc:math:unit “Z ”
The units name can also be enclosed in single quotes as follows:
:calc:math:unit ‘Z’
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