Keysight E4990A - Page 343

Programming
333
<>
Characters enclosed in this pair of symbols are necessary
parameters when sending the command.
[] Part enclosed in this parenthesis pair can be omitted.
{}
Part enclosed in this parenthesis pair indicates that you must
select one of the items in this part. Individual items are
separated by a vertical bar (|).
For example, ":CALC:CORR:EDEL:TIME 0.1"
,":CALCULATE1:SELECTED:CORR:EDEL:TIME 25E-3," and so on are valid
for the syntax given below.
:CALCulate<ch>[:SELected]:CORRection:EDELay:TIME <numeric>
Description
Part with heading “Description” describes how to use the command or the
operation when executed.
Variable
Part with heading “Variable” describes necessary parameters when sending
the command. When a parameter is a value type or a string type enclosed
with <>, its description, allowable setup range, preset (factory-set) value,
and so on are given; when a parameter is a selection type enclosed with
{}, the description of each selection item is
Query Response
Part with heading “Query response” describes the data format read out
when query (reading out data) is available with the command.
Each readout parameter is enclosed with {}. If there are several items
within {} separated by the pipe (|), only one of them is read out.
When several parameters are read out, they are separated with a comma
(,). Note that, 3 points (…) between commas indicate that the data of that
part is omitted. For example, {numeric 1},…,{numeric 4} indicates that 4
data items, {numeric 1}, {numeric 2}, {numeric 3}, and {numeric 4}, are
read out.
<newline><^END> after the parameters is the program message
terminator.
Examples
Examples provide a sample coding with VISA-COM.
As per most programming practice, its up to the user to define any variable
name for the instrument. Once defined, the variable is used throughout the