SYSTem Subsystem 11
Keysight U2722A/U2723A Programmer’s Reference 107
SYSTem:LFRequency
Syntax
SYSTem:LFRequency <mode>
This command sets the power line frequency in the measurement. The value is
coupled to APERture by the equation:
APERture = NPLCycles/selected line frequency
SYSTem:LFRequency?
Queries the power line frequency set.
Parameter
Returned Query Format
<CRD>
Examples
The following command sets the line frequency to 60 Hz.
SYST:LFR F60HZ
The following query returns the line frequency.
SYST:LFR?
Typical Response: F60Hz
Item Type Range of values Defaul t value
<mode> CPD F50HZ: 50 Hz frequency line
F60HZ: 60 Hz frequency line
F50HZ
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