Specifications

SYSTem Commands
SYSTem Commands
System commands control system functions that are not directly related to output control, measurement, or status
functions.
System functions are also controlled using the Common commands: *IDN?, *LRN?, *OPT?, *RCL, *RST, *SAV, and
*TST? discussed at the end of this topic.
SYSTem:COMMunicate:LAN:CONTrol?
SYSTem:COMMunicate:TCPip:CONTrol?
Returns the initial socket control connection port number. This connection is used to send and receive commands and
queries. Unlike the data socket, which uses a fixed port number, the control socket port number varies and must be
obtained using these queries.
Parameter Typical Return
(none) 5000 (0 if sockets are not supported)
Query the Control connection port number:
SYST:COMM:LAN:CONT? or SYST:COMM:TCP:CONT?
SYSTem:COMMunicate:RLSTate LOCal|REMote|RWLock
SYSTem :COMMunicate:RLSTate?
Configures the remote/local state of the instrument. Remote and Local do the same thing and are included for com-
patibility with other products. Both allow front panel control.
RWLock disables the front panel keys. Then the instrument can only be controlled via the remote interface.
Parameter Typical Return
LOCal|REMote|RWLock, default LOCal LOC, REM, or RWL
Sets the remote/local state to remote: SYST:COMM:RLST REM
l The remote/local state is unaffected by *RST or any SCPI commands other than SYSTem:COMMunicate:RLState.
l The remote/local instrument state can also be set by other interface commands over the GPIB and some other I/O
interface.
SYSTem:ERRor?
Reads and clears one error from the error queue.
Parameter Typical Return
(none) <+0,"No error">
Reads and clear first error in error queue: SYST:ERR?
94 Agilent N8900 Series Operating and Service Guide