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Chapter 5 319
Language Reference
SYSTem Subsystem
SYSTem Subsystem
This subsystem is used to set the controls and parameters associated with the
overall system communication. These functions are not related to instrument
performance.
GPIB Address
:SYSTem:COMMunicate:GPIB[1][:SELF]:ADDRess <integer>
:SYSTem:COMMunicate:GPIB[1][:SELF]:ADDRess?
Sets and queries the GPIB address.
NOTE This command applies to analyzers having the standard GPIB I/O interface Option
A4H. Only one GPIB I/O interface Option A4H can be installed in an instrument.
Factory Preset
and *RST: It is set to 18 by :SYSTem:PRESet:PERSistent, which sets
the persistent state values to their factory defaults.
This command is persistent. The term persistent means that the
command retains the setting previously selected, even through a
power cycle.
Range: Integer, 0 to 30
Front Panel
Access:
System, Remote Port
Serial Port DTR Setup
:SYSTem:COMMunicate:SERial[1]:CONTrol:DTR OFF|ON|IBFull
:SYSTem:COMMunicate:SERial[1]:CONTrol:DTR?
Sets the hardware pacing scheme. Only one Option 1AX can be installed in an
instrument.
Off - holds the DTR line in the unasserted (off) condition
On - holds the DTR line in the asserted (on) condition
IBFull - selects the input buffer full mode for the DTR line. The IBFull
parameter sets the DTR line to indicate when the device is ready to receive.
When the number of received bytes in the input buffer of the device reaches the
stop threshold, the device will unassert the DTR line. When the number of
bytes has been reduced to the start threshold, the device will assert DTR
indicating that it can receive input again. The device will also monitor the state
of CTS and will stop transmission if the line becomes unasserted.
Factory Preset