BNC 645 - Manual (Page 162)

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Errors are cleared once you read them.
If more than 20 errors are detected, “too many Errors” show up in the last place
of the error queue. Unless user read the errors in the queue, the additional
errors will not be stored. If there is no error in the error queue when you read it,
“No error” string will be displayed.
SYSTem:BEEPer
Issue a single beeping tone.
SYSTem:BEEPer:STATe {OFF|ON}
Disable or enable the beeper.
SYSTem:BEEPer:STATe?
Query the beeper state. Return “0” (OFF) or “1” (ON).
SYSTem:COMMunicate:RLSTate {LOCal︱REMote︱RWLock}
Set the remote/local state of the waveform generator over the LAN interface
from a Telnet or socket session. Provides control analogous to the IEEE-488.2
commands such as GTL (Go To Local) over the GPIB and USB interfaces. The
default is Local which sets the instrument state to local and removes any
annunciator and locks the front-panel keyboard. The Remote parameter sets the
instrument state to remote, display the annunciators and locks the keyboard.
The RWLock parameter sets the instrument state to remote with lock and
display the rwl annunciator and locks the keyboard.
SYSTem:VERSion?
Query the waveform generator’s current SCPI version. A string in the form of
“YYYY.V” will be returned. “YYYY” represents the year of the version and “V”
represents the version number.
SYSTem:KLOCk[:STATe] {OFF︱ON}
Disable or enable the front panel keyboard lock. The default is OFF(meaning the
lock is off). When the lock is on, the front panel keyboard is locked. You can
exclude “local” key when locking the front panel keyboard by using
SYST:KLOC:EXCL LOC before you lock the keyboard.
SYSTem:KLOCk:EXCLude {NONE︱LOCal}
Specify if locking the front panel keyboard including the “local” key or excluding