Luna 4600 - Page 135

Optical Backscatter Reflectometer 4600 123
User Guide
7
*OPC?
Usage: *OPC?
Description: Queries the OBR to determine if the operation is complete.
Response:
Returns "1" if the previous operation has been completed;
"0" if the previous operation is still processing.
*RST
Usage: *RST
Description: Instructs the OBR to reset all parameters to the power-on
defaults.
Response: None.
*SRE
Usage: *SRE {n}
Description: Sets the value (0–255) of the Service Request Enable
register.
Response: None.
*SRE?
Usage: *SRE?
Description: Retrieves the current value of the Service Request Enable
register.
Response: Returns the value (0–255) of the Service Request Enable
register.
*STB?
Usage: *STB?
Description: Retrieves the value of the Status Byte register.
Response: Returns the value (0–255) of the Status Byte register.
*WAI
Usage: *WAI
Description: Prevents the OBR from executing any further commands or
queries until all pending operations have been completed.
Response: None.