According to this specification, the command referred to the trace 2 of the channel
1 will be written as follows:
CALC1:PAR2:DEF
The numeric suffix can be omitted. In this case, it is 1 by default. For example, the
following commands are equivalent:
CALC:PAR:DEF
CALC1:PAR1:DEF
3.10 Compound Commands
It is possible to enter more than one command in the same command line. The
commands in the line are separated by a semicolon (';'). The specification of the
first command is valid for the following command, except for the last leaf before
the semicolon. For expample:
SENS:FREQ:STAR 1 MHZ;STOP 2MHZ
If you need to start the next command from the highest level of the structure, this
command should start from a colon (':'):
SENS:FREQ:STAR 1 MHZ;:CALC:PAR:DEF S21
3.11 IEEE488.2 Common Commands Overview
A SCPI compatible Analyzer must support a set of common commands of
IEEE488.2 standard. These commands start with an asterix ('*'). The list of such
commands see below: