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Output Queue
The Output Queue stores response messages until they are read. If there is at least
one character in the output queue, the MAV register (message available) is set. The
Output Queue is cleared upon power-on and after reading all characters from the
output queue.
Error Queue
The Error Queue stores error messages. They are queued on a first-in first-out (FIFO)
basis.
The error queue is read destructively using the query command "SYSTem:ERRor?"
to obtain a code number and error message. The query "SYSTem:ERRor?" can be
used to read errors in the queue until it is empty, when the message "0, No Error"
will be returned.
IEEE 488 Interface Configuration
The calibrator's IEEE 488 interface supports the IEEE 488 interface function subsets
listed in Table 5-10.
Table 5-10. Supported IEEE 488 Interface Function Subsets
Interface Function
SH1
AH1
T5
L3
RL1
DC1
SR1
DCL
SDC
EOI
GTL
LLO
SPD
SPE
Complete sourced handshake capability
Complete acceptor handshake capability
Device clear (resets the Calibrator)
Selected device clear (resets the Calibrator)
End or Identify message terminator (close the message)
Go To Local (close remote control mode)
Local Lock Out (local control locked)
Serial Poll Disable (close serial message status)
Serial Poll Enable (release serial message status)
Supported SCPI Commands
Description
Remote Operation
5
5-47
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