HP 8920B - :WAIT

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Chapter 7, IBASIC Controller
PROGram Subsystem
CAUTION: The Test Set will continue to process HP-IB commands into the HP-IB input buffer
up to the point that the buffer is full. If the external controller attempts to send more
commands than can fit into the HP-IB input buffer before the IBASIC program is
PAUSED or STOPPED, the HP-IB bus will appear to be locked up. This is due to
the fact that the HP-IB bus and the external controller will be in a temporary holdoff
state while waiting for the HP-IB input buffer to empty.
If a query command is sent to the Test Set while the IBASIC program is under the
influence of a :WAIT command, no data will be put into the Test Set’s Output
Queue until the IBASIC program is either PAUSED or STOPPED. If the external
controller attempts to enter the queried data before the IBASIC program is
PAUSED or STOPPED, the HP-IB bus will appear to be locked up. This is due to
the fact that the HP-IB bus and the external controller will be in a temporary
holdoff state while waiting for the data to be put into the Output queue to satisfy
the enter command.
Syntax
PROGram[:SELected]:WAIT
Example
OUTPUT 714;"PROGram:SELected:WAIT"
or
OUTPUT 714;"PROG:WAIT"