User and Programming Manual – Rev P California Instruments14. SCPI Command Reference14.1. IntroductionRelated CommandsWhere appropriate, related commands or queries are included. These are listed becausethey are either directly related by function, or because reading about them will clarify orenhance your understanding of the original command or query.This chapter is organized as follows:• Subsystem commands, arranged by subsystem• IEEE 488.2 common commands14.2. Subsystem CommandsSubsystem commands are specific to AC source functions. They can be a single commandor a group of commands. The groups are comprised of commands that extend one or morelevels below the root. The description of common commands follows the description of thesubsystem commands.The subsystem command groups are listed in alphabetical order and the commands withineach subsystem are grouped alphabetically under the subsystem. Commands followed by aquestion mark (?) take only the query form. When commands take both the command andquery form, this is noted in the syntax descriptions.RP Series October 2005 53