Command Syntax
3-8
VX4792 User Manual
Common Query Header. A command that precedes its header mnemonic with an
asterisk (*) and follows it with a question mark (?). Its message format is:
'$&'- +'*,+)% "-(/*'+."-(/*'+.##
such as:
The common commands are defined by IEEE Std 488.2 and are common to all
devices which support the IEEE Std 488.2 on the GPIB bus.
Concatenating Commands
Most of the compound command headers are in a tree structure. The tree
structure of an example command is diagrammed below. Note that the top of the
structure always begins with a colon (:).
. The following command is NOT in the VX4792 Arbitrary Waveform
Generator command set. It is included only as an example of command
concatenation.
! !
The following example of a compound command combines four headers
delimited by semicolons:
!
You must include the complete path in each header when there is no common
complete path to the start of the tree structure (the :). However, note that part of
each header in the above example has a common path . You may shorten
compound command structures with such headers. For example, the command
above may be rewritten as follows.
!
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