Specifications

RIGOL Chapter 2 Command System
2-216 M300 Programming Guide
SYSTem:LFRequency?
Syntax
SYSTem:LFRequency?
Description
Query the current power-line frequency of the instrument.
Explanation When you apply power to the instrument, the instrument automatically detects the
power-line frequency and uses this value to calculate the power line cycles
(1PLC=1/current power-line frequency).
Return
Format
The query returns "+50" (for the frequency outside the range of 55Hz to 66Hz) or "+60"
(for 55Hz to 66Hz).
Example SYST:LFR?
The query returns +50.
Related
command
SYSTem Command Subsystem
SYSTem:LOCal
Syntax
SYSTem:LOCal
Description
Place the instrument in the local mode.
Explanation  If the instrument is in the remote or locked mode, you can send this command to
place the instrument in the local mode.
 In the local mode, all the keys on the front panel are fully functional.
Example
SYST:LOC
Related
commands
SYSTem:REMote
SYSTem:RWLock
SYSTem:OPENtimes?
Syntax
SYSTem:OPENtimes?
Description
Query the boot times of M300.
Return
Format
The query returns a positive integer.
Example
SYST:OPEN?
The query returns 41.
Related
command
SYSTem Command Subsystem
SYSTem:PRESet
Syntax
SYSTem:PRESet
Description
Restore the instrument to the preset state.
Explanation Refer to Appendix B: Instrument Preset State for a complete listing of the preset states of
the instrument.
Example SYST:PRES
Related
commands
*RST
SYSTem:CPON