System:lfrequency; System:password:lock - Tektronix Keithley 2281 Series Reference Manual

Model 2281S-20-6 DC Power Supply and Battery Simulator Reference Manual
Example
:SYST:LOC
Also see
:SYSTem:RWLock

:SYSTem:LFRequency?

This query returns the line frequency that was automatically detected when the instrument was turned on.
Type
Query only
Usage
:SYSTem:LFRequency?
Details
The instrument automatically detects the power line frequency when the instrument is powered on.
Power line frequency can be 50 Hz or 60 Hz.
Example
:SYST:LFR?
Also see
None

:SYSTem:PASSword:LOCK

This command sets a remote interface to lock mode.
Type
Command only
Usage
:SYSTem:PASSword:LOCK <password>
<password>
Details
When password protection is enabled, sending this command disables the remote interface. For
example, if you send this command through the GPIB interface, GPIB is locked and the instrument
ignores all the SCPI commands from the GPIB except the following command:
:SYSTem:LOCal
077114601 / March 2019
(on page 7-176)
Affected by
Not applicable
Affected by
Not applicable
The password for remote connection
Section 7: SCPI command reference
Returns to local mode and you can control the
instrument from the front panel.
Where saved
Not applicable
Return the line frequency.
Where saved
Not applicable
Default value
Not applicable
Default value
admin
7-171