Boonton 4500B Peak Power Meter - Manual (Page 208)

Boonton 4500B RF Peak Power Analyzer
Remote Operation 5-8
*OPC
Description: Clears the OPC (Operation Complete) status flag. This command is issued before the command to
be checked for completion. After this, the flag may be queried by *OPC? until a value of one is
returned, indicating the command has completed. Note that the query is not a true query - a value
of zero will never be returned.
Syntax: *OPC
Argument: None
Valid Modes: Any
*OPC?
Description: This command examines the OPC (Operation Complete) status flag and returns a ―1‖ if all
pending operations are complete. If pending operations are not yet complete, it does not return.
Syntax: *OPC?
Returns: Always returns 1 to indicate operations complete. Otherwise, does not return.
Valid Modes: Any
*OPT?
Description: Return the status of channel 1 and channel 2 followed by a list of installed options.
Syntax: *OPT?
Returns: f1 – chan 1 installed?, f2 – chan1 sensor present?, f3 – chan 2 installed?, f4 – chan 2 sensor
present?, opt1, opt2, etc. (option list may be empty).
Valid modes: Any
*RST
Description: Set the instrument to a known configuration. The current language selection (SCPI or 4500A
Emulation) is preserved. For SCPI, set measurements to STOP; for 4500A, set ,measurements to
RUN. Set the sensor temperature offset flag to FALSE, set the SCPI file over-write permission to
FALSE, turn the 1 GHz Calibrator output OFF and clear the error queues. System communication
parameters are not changed. Instrument measurement functions are set their default values (See
Table 3-3, Initialized Parameters).
Syntax: *RST
Argument: None
Valid Modes: Any