Sony Tektronix VX4792 User Manual page 143

Command Descriptions
*OPC (?)
Group
Related Commands
Syntax
Arguments
Examples
3-60
The *OPC common command generates the operation complete message by
setting bit 0 in the SESR (Standard Event Status Register), when all pending
operations are finished.
The *OPC? query returns a "1" ASCII character when all pending operations are
finished.
SYNCHRONIZATION
*WAI
*OPC
*OPC?
*OPC
?
None
:DESE 1
*ESE 1
*SRE 0 (serial poll used)
*OPC
The above sequence sets up the system to wait until all pending operations are
finished, which occurs when the ASCII character 1 is returned to the controller.
Note that different *SRE commands are used depending on whether serial poll or
service request handler is used for synchronization.
SRE 32 (service request used)
or
*OPC? (start operations)
or
VX4792 User Manual