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SCPI Command Introduction

KHz, amplitude of 1.15 V and DC offset of 0.0 V.

Semicolon (;)

It is used to separate several commands in the same subsystem and can also

minimize typing. For example, to send the following command string:

TRIG:SOUR EXT; COUNT 10

has the same effect as sending the following two commands:

TRIG:SOUR EXT

TRIG:COUNT 10

Question mark (?)

You can insert question marks into a command to query current values of most

Parameter. For example, the following commands will trigger to set the count as

10:

TRIG:COUN 10

Then, you may query count value by sending the following command:

TRIG:COUN?

You may also query the allowable minimum or maximum count as follows:

TRIG:COUN?MIN

TRIG:COUN?MAX

Comma (,)

If a command requires several Parameter, then a comma must be used to

separate adjacent Parameter.

Space

You must use blank characters, [TAB] or [Space] to separate Parameter with

key words of commands.

Generic commands (*)

The IEEE-488.2 standard defines a set of common commands that perform

functions such as reset, self-test, and status operations. Generic commands

always start with a asterisk (*) and occupy 3 character sizes, including one or

more Parameter. Key words of a command and the first parameter are

separated by a space. Semicolon (;) can separate several commands as

follows:

*RST; *CLS; *ESE 32; *OPC?

Command terminator

Command strings sent to the instrument must end with a <Newline> (<NL>)

character. IEEE-488 EOI (End or Identify) information can be used as <NL>

character to replace termination command string of <NL> character. It is

acceptable to place one <NL> after a <Enter>. Termination of command string

always resets current SCPI command path to root level.

ITech IT6522D User Manual

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