117
HP-IB Programming
IEEE Common Commands
command
*TST?
syntax
*TST?
description
The TeST query *TST? initiates a self-test and returns a result
value.
The self-test
•
switches the laser off
•
stops the automatic sweep of the polarization controller
•
activates the “Select Application” menu
•
switches all pixels in the display on for ca. 5 sec.
•
checks the polarization controller
No further commands are allowed while the test is running. After
the self-test the instrument returns to the setting that was active at
the time the self-test query was processed.
response
A
boolean
value:
0
if the polarization controller test was successful
1
if the polarization controller test failed
example
OUTPUT 724;"*TST?"
ENTER 724;A$
command
*WAI
syntax
*WAI
description
The WAIt command *WAI prevents the instrument from executing
any further commands until the current command has finished
executing. All pending operations are completed during the wait
period.
related commands
*OPC, *OPC?
example
OUTPUT 724;"*WAI"
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