4- 176 Keysight B2961A/B2962A SCPI Command Reference, Edition 6
Subsystem Commands
SYSTem Subsystem
Example :SYST:INT:TRIP?
:SYSTem:LFRequency
Selects the line frequency. This command setting is not changed by power off or the
*RST command.
Syntax :SYSTem:LFRequency frequency
:SYSTem:LFRequency?
Parameter frequency Line frequency. 50 (for 50 Hz)|60 (for 60 Hz). Parameter data
type is NR1.
Query response frequency <newline>
frequency returns the present setting, 50 or 60. Response data type is NR1.
Example :SYST:LFR 60
:SYST:LFR?
:SYSTem:LOCK:NAME?
Returns the current I/O interface (the I/O interface in use by the querying computer).
Syntax :SYSTem:LOCK:NAME?
Query response response <newline>
response returns GPIB, USB, VXI11, or LAN <IP Address>, indicating the I/O
interface being used by the querying computer.
Example :SYST:LOCK:NAME?
Remarks Use this command to determine the interface you are currently using. Then use the
:SYSTem:LOCK:OWNer? command to determine which interface, if any, has the
lock.
:SYSTem:LOCK:OWNer?
Returns the I/O interface that currently has a lock.
Syntax :SYSTem:LOCK:OWNer?
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