Programmer’s Guide 9-17
Introduction to SCPI
IEEE 488.2 Common Commands
*OPC Operation complete command. The analyzer will
generate the OPC message in the Standard Event
Status Register when all pending overlapped
operations have been completed (e.g. a sweep, or a
preset). For more information about overlapped
operations, refer to “Overlapped Commands” on
page 2-3.
*OPC? Operation complete query. The analyzer will return an
ASCII "1" when all pending overlapped operations
have been completed.
*OPT? Returns a string identifying the analyzer's option
configuration. The string is of the form "1E1,100".
The options are identified by the following:
*PCB <num> Sets the pass-control-back address (the address of the
controller before a pass control is executed).
*PSC <num> Sets the state of the Power-on Status Clear flag — flag
is saved in non-volatile memory. This flag determines
whether or not the Service Request enable register and
the Event Status enable register are cleared at
powerup.
1EC 75 ohm
1E1 60 dB step attenuator
100 SRL and Fault Location
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