Technical data
Agilent B2900 SCPI Command Reference, Edition 2 4- 139
Subsystem Commands
:SYSTem:LFRequency
Syntax  :SYSTem:LANGuage mode
:SYSTem:LANGuage?
Parameter  mode  B2900 control command set. “DEFault”|“2400”. Parameter data 
type is SPD.
mode=“DEF” selects the default command set which supports all B2900 functions.
mode=“2400” selects the conventional command set designed for existing programs 
which you created for controlling existing instruments, such as Series 2400 by 
Keithley Instruments, Inc. Once this mode is set, B2900 does not support the SCPI 
commands described in this manual, but only the SCPI commands listed in 
“Conventional commands supported by B2900” on page 6-3. For using this mode, 
see Chapter 6, “Using Your Existing Programs.”
Query response  mode <newline>
mode returns the present setting, DEF or 2400. Response data type is SRD.
Example  :SYST:LANG “2400”
:SYST:LANG?
: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?










