Remote Operation 
 
M370430-01  Rev B  5-59 
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: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. No single line will be 
longer than 80 characters long. The full path for every command and 
query shall be returned separated by line feeds. 
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: 
#44513 
*IDN?/qonly/ 
*RST/nquery/ 
*TST?/qonly/ 
*OPC/nquery/ 
*OPC?/qonly/ 
*WAI/nquery/ 
*CLS/nquery/ 
*ESE 
*ESR?/qonly/