Keysight M8070A Programming Guide 105
SCPI Command Reference 5
*WAI
Syntax *WAI
Description The *WAI commands allows no further execution of commands or queries
until the No Operation Pending flag is true, or receipt of a Device Clear
(dcas) message, or a power on.
The *WAI command can be used for overlapped commands. It stops the
program execution until any pending overlapped commands have finished.
Specifically, it waits until the No Operation Pending flag is TRUE, or receipt
of a dcas message, or a power on.