Tektronix KEITHLEY 2200 Series, Programming Reference Manual, Page: 20 / 104

Command Syntax
General Rules for Using
SCPI Commands
The following are three general rules for using SCPI commands, queries, and
parameters:
You can use single (‘ ’) or double (“ ”) quotation marks for quoted strings, but
you cannot use both types of quotation marks for the same string.
correct
“This string uses quotation marks correctly.”
correct
‘This string also uses quotation marks correctly.’
incorrect “This string does not use quotation marks correctly.’
You can use upper case, lower case, or a mixture of both cases for all
commands, queries, and parameters.
:SOURCE:FREQUENCY 10MHZ
is the same as
:source:frequency 10mhz
and
:SOURCE:frequency 10MHZ
NOTE. Quoted strings are case sensitive.
No embedded spaces are allowed between or within nodes.
correct
:OUTPUT:FILTER:LPASS:FREQUENCY 200MHZ
incorrect
:OUTPUT: FILTER: LPASS:FREQUENCY 200MHZ
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