Fluke NORMA 4000 Operators, User Manual, Page: 17 / 184

Remote Control Basics
Structure and Syntax of Device Messages
1
1-7
Example
:SYSTem
This key word denotes the :SYSTem command system. For commands of lower levels, the
complete path has to be specified, starting on the left with the highest level, the individual key
words being separated by a colon ":".
Example
INPut:COUPling AC
This command is at the second level of the INPut subsystem, see Figure 1-1. It selects
AC coupling of the input channel.
INPut
COUPling GAIN SHUNt
STATe LPASs
FREQuency
STATe
FILter
eya001.eps
Figure 1-1. Tree Structure of SCPI Command Systems Using INPut System as Example
Optional Key Word
Some command systems permit certain key words to be optionally inserted into the
header or omitted. These key words are marked in the description by square brackets. The
instrument must recognize the full command length for compatibility with the SCPI
standard. Some commands can be considerably shortened by omitting optional key words.
Example
INPut:FILTer[:STATe] ON
This command enables the antialiasing filter to be inserted into the signal path before it is
processed by SENSe subsystem. The following command has the same effect:
INPut:FILTer ON
Note
An optional key word must not be omitted if its effect is specified in greater
detail by means of a numerical suffix.