10-14 Remote Operations
Model 6220/6221 Reference Manual
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Query commands
The query command requests the presently programmed status. It is identified by
the question mark (?) at the end of the fundamental form of the command. Most
commands have a query form.
:ARM:TIMer?
Queries the timer interval
Most commands that require a numeric parameter (<n>) can also use the
DEFault, MINimum, and MAXimum parameters for the query form. These query
forms are used to determine the *RST default value and the upper and lower limits
for the fundamental command.
:ARM:TIMer? DEFault
Queries the *RST default value
:ARM:TIMer? MINimum
Queries the lowest allowable value
:ARM:TIMer? MAXimum
Queries the largest allowable value
Case sensitivity
Common commands and SCPI commands are not case sensitive. You can use
upper or lower case and any case combination. Examples:
*RST
=
*rst
:SYSTem:PRESet
=
:system:preset
Long-form and short-form versions
A SCPI command word can be sent in its long-form or short-form version. The
command tables in this manual use the long-form version. However, the short-
form version is indicated by upper case characters.
:SYSTem:PRESet
long-form
:SYST:PRES
short form
:SYSTem:PRES
long-form and short-form combination
Note that each command word must be in either long-form or short-form. For
example,
:SYSTe:PRESe
is illegal and will generate an error. The command will
not be executed.
Short-form rules
Use the following rules to determine the short-form version of any SCPI com-
mand:
•
If the length of the command word is four letters or less, no short form ver-
sion exists.
:auto = :auto
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