54 8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide
3 Instrument Setup and Status
0 Selftest failed on Slot 0 1
If 16 is returned, the module in slot 4 has failed.
If 18 is returned, the modules in slots 1 and 4 have failed.
A value of zero indicates no errors.
example: *TST? -> 0<END>
command: *WAI
syntax: *WAI
description: The WAIt command prevents the instrument from executing any further commands until the current command has finished
executing. Some module firmware includes commands that set a "StatNOPC" flag during execution to indicate that the
module is busy. *WAI blocks the GPIB bus to all commands until every module hosted by the instrument is no longer busy.
All pending operations, are completed during the wait period.
parameters: none
response: none
example: *WAI