UNI-T
UTD2000E Series Osilloscope Programming Manual
e format, symbols, parameters, and abbreviations of the SCPI command.
Instruction Format
The SCPI command is a tree-like hierarchy consisting of multiple subsystems, each
consisting of a root keyword and one or more hierarchical key words.
The command
line usually begins with a colon ":"; Keywords are separated by the colon ":",
followed by optional parameter settings. The command keyword is separated by
spaces from the first parameter. The command string must end with a newline
<NL>
character. Add the question mark "? " after the command line. It is
usually indicated that this feature is being queried.
Symbol Description
The following four symbols are not part of SCPI command, it cannot send with the
command. It usually used as supplementary description of command parameter.
Brace { }
usually contains multiple optional parameters, it should select one
parameter when send command.
Such as
DISPlay:GRID:MODE { FULL | GRID | CROSS | NONE}
command
Vertical Bar |
used to separated multiple parameters, it should select one parameter
when send command.
Such as DISPlay:GRID:MODE { FULL | GRID | CROSS | NONE} command
Square Brackets [ ]
the contents in square brackets (command keywords) can
omissible. If the parameter is ignoret, the instrument will set the parameter as the
default value.
Such as MEASure:NDUTy? [<source>] command, it presents current channel
Triangular Brackets < >
The parameter in the brackets must be replaced with a
valid value.
Such as use DISPlay:GRID:BRIGhtness 30 form to send DISPlay:GRID:BRIGhtness
<count> command.
