Tektronix 070-9180-01 - Manual (Page 89)

IEEE-488.2 Common Commands
Option 01 VXI Interface Module User Manual 3–65
trigger system is placed in the IDLE state, the Option 01 will place SCPI
–211,“Trigger Ignored” error messages in the Error/Event queue.
The IEEE-488.2 Specification equates the *TRG command with an IEEE-488.1
Group Execute Trigger (GET) command. IEEE-488-to-VXI interface modules
typically convert IEEE-488.1 GET commands to VXI Trigger commands. For
this reason, the Option 01 equates the *TRG command with a VXI Trigger
command.
*TST?
Self Test query. In response to this query, the Option 01 performs a self test of
each of the switching modules under its control. During self test, the Option 01
verifies that it can properly control the relay drive circuitry of each switching
module under its control. After the self test is complete, each module is restored
to its pretest state. If all modules pass self test, an ASCII “0” is placed in the
Output buffer. If one or more modules fail the self test, an ASCII “1” is placed in
the Output buffer and error message(s) describing the failure are queued in the
Error/Event queue. Issue a SYSTem:ERRor? query to read these error messages.
*WAI
Wait to Continue. This command causes the module to wait until all pending
commands and queries are complete. All commands following *WAI are
suspended until the pending operations are complete.
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