Subsystem Command
Tables
These paragraphs intro duce a more complete, compact wayof
documenting subsystems using a tabular format. The command
table contains more information than just the command hierarchy
shown in a graphical tree. In particular, these tables list command
parameters for each command and response data formats for queries.
To b egin this exploration of command tables, consider a simplied
SWEep
subsystem for the swept signal generator in b oth the graphical
and tabular formats.
Figure 1-27. Simplified SWEep Command Tree
Table 1-2. SWEep Command Table
Command Parameters Parameter
Type
:SWEep
:DWELl
:AUTO state Boolean
j
ONCE
:GENeration
:MANual
:POINt
[:RELative]
Reading the Command Table
Note the three columns in the command table lab eled
Command
,
Parameters
, and
Parameter Type
. Commands closest to the ro ot
level are at the top of the table. Commands in square brackets
are implied commands, which are discussed in later paragraphs.
If a command requires one or more parameters in addition to the
keyword, the parameter names are listed adjacent to the command.
Parameters in square brackets are optional parameters, which are
discussed in later paragraphs. If the parameter is not in square
brackets, it is required and you must send a valid setting for it with
Getting Started Programming 1-71
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