SCPI Error/Event Queue
M370046-01 5-55
5
Command Line Help System
The Help system is made up of a series of commands that can be used to
get help on all available commands and details on their syntax.
The Help commands are:
[:]SYSTem[<channel>]:HELP:HEADers?
[:]SYSTem[<channel>]:HELP:SYNTax?'<command for which you
want help>'
[:]SYSTem[<channel>]:HELP:LEGacy?
Querying Help for all Command Headers
The [:]SYSTem[<channel>]:HELP:HEADers? query shall return
all SCPI commands and queries and IEEE 488.2 common commands and
common queries implemented. The response shall be on a page by page
basis. No single line will be longer than 80 characters and each page will
be 23 lines long. The full path for every command and query shall be
returned separated by line feeds. After a full page of headers has been
displayed you will be prompted to press any key to continue or the ESC
key to stop any further listing of the command headers.
A <SCPI header> is defined as:
It shall contain all the nodes from the root. The <SCPI program
mnemonic> contains the node in standard SCPI format. The short form
shall use uppercase characters while the additional characters for the long
form shall be in lowercase characters. Default nodes shall be surrounded
by square brackets ([ ]).
Command:
[:]SYSTem[<channel>]:HELP:HEADers?
For example:
:SYST1:HELP:HEAD?
Might return:
*IDN?/qonly/
*RST/nquery/
*TST?/qonly/
*OPC/nquery/
*OPC?/qonly/
*WAI/nquery/
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