Specifications

284 Chapter 17
GPIB Command Reference
*TRG
*TRG
Format *TRG
Description Triggers the E4991A when the trigger source has been set for the GPIB (specified as
"BUS" in the
TRIG:SOUR).
Related commands TRIG:SOUR command on page 526
Front Panel
Equivalents
Unavailable.
*TST?
Format *TST?
Description Executes a self-test and returns the test results. (Query only)
Query response {numeric}<newline><^END>
Front Panel
Equivalents
System - Diagnostic - Internal Test - Test Start
*WAI
Format *WAI
Description Prohibits the instrument from executing any new commands until all pending overlapped
commands have been completed. (No query)
Front Panel
Equivalents
Unavailable.
Description
0 Result of the self-test is PASS.
except 0 Result of the self-test is FAIL.