System Commands
System commands control system functions that are not directly related to output control,
measurement, or status functions.
IEEE 488.2 Common Commands also control system functions such as selftest, saving and recalling
states, and others.
SYSTem:CHANnel[:COUNt]?
Returns the number of output channels in a mainframe.
Parameter Typical Return
(none) 4
Returns the number of channels: SYST:COUN?
SYSTem:CHANnel:MODel? (@<chanlist>)
Returns the model numbers of the selected channels. Multiple responses are separated by commas.
Parameter Typical Return
<channel list> N6751A, N6761A
Returns the model numbers in channels 2 and 3: SYST:MOD? (@2,3)
SYSTem:CHANnel:OPTion? (@<chanlist>)
Returns the options installed in the selected channels. The query returns an ASCII string enclosed in
double quotes. If no option is installed, an empty quoted string ("") is returned. Multiple responses are
separated by commas.
Parameter Typical Return
<channel list> "Opt 760","Opt 760",""
Returns the options in channels 1 through 3: SYST:OPT? (@1:3)
SYSTem:CHANnel:SERial? (@<chanlist>)
Returns the serial numbers of the selected channels. Multiple responses are separated by
semicolons.
Parameter Typical Return
<channel list> MY00123456; MY00234567
Returns the serial numbers in channels 2 and 3: SYST:SER? (@2,3)
7 SCPI Programming Reference
332 Keysight N6705C Operating and Service Guide