Command Groups
TDS3000, TDS3000B, and TDS3000C Series Programmer Manual
2-33
Status and Error Commands
Table 2--24 lists the status and error commands the oscilloscope supports. These
commands let you determine the status of the oscilloscope and control events.
Several commands and queries used with the oscilloscope are common to all
devices on the GPIB bus. IEEE Std 488.2--1987 defines these commands and
queries. They begin with an asterisk (*).
Table 2- 24: Status and Error commands
Header Description
ALLEv? Returns all events
BUSY? Returns scope status
*CLS Clears status
DESE Device event status enable
*ESE Event status enable
*ESR? Returns standard event status register
EVENT? Returns event code
EVMsg? Returns event code and message
EVQty? Returns number of events in queue
ID? Identification
*IDN? Returns IEEE-488 instrument identification
*OPC Operation complete
*PSC Power-on status clear
*PUD Queries or sets User Protected Data
*SRE Service request enable
*STB? Reads status byte
*WAI Wait to continue