4 System
4.11 System Remote Commands (Remote Commands Only)
4.11.2 Lock the Front-panel keys (Remote Command Only)
Disables the instrument keyboard to prevent local input when the instrument is
controlled remotely. Annunciation showing a “K” for KLOCk (keyboard lock) alerts
the local user that the keyboard is locked. KLOCk is similar to the GPIB Local
Lockout function; namely that no front-panel keys are active except for the Power
Standby key. (The instrument is allowed to be turned-off if KLOCk is ON.) The KLOCk
command is used in remote control situations where Local Lockout cannot be used.
Although primary intent of KLOCk is to lock-out the front panel, it will lock-out
externally connected keyboards through USB. KLOCk has no effect on externally
connected pointing devices (mice).
The front panel ‘Local’ key (Cancel/Esc) has no effect if KLOCk is ON.
See also "Local Button" on page 137.
Remote
Command
:SYSTem:KLOCk OFF | ON | 0 | 1
:SYSTem:KLOCk?
Example
:SYST:KLOC ON
Notes Keyboard lock remains in effect until turned-off, or until the instrument is power-cycled
Preset Initialized to OFF at startup, unaffected by Preset
State Saved No
4.11.3 Lock Workstation (Remote Command Only)
Performs the same functionality as the Win+L function or the “Lock” function on the
CTL-ALT-DEL screen in Windows.
Vector Modulation Analyzer Mode User's &Programmer's Reference 1986
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