260 Chapter 16
GPIB Command Reference
*OPT?
*OPT?
Syntax *OPT?
Description Reads out the identification number of an option installed in the 4294A. (Query only)
Query response {string}<newline><^END>
If there is no installed option, a blank ("") is read out.
Corresponding
key
No front panel key is available to execute this function.
*RST
Syntax *RST
Description Triggers a reset to the preset state. Although this preset state is almost the same as that of
the reset result with the
“PRES” command on page 404, there are some differences as
follows. (No query)
• The sweep mode is set to HOLD.
• The HP Instrument BASIC is reset.
Corresponding
key
No front panel key is available to execute this function.
*SRE
Syntax *SRE <numeric>
*SRE?
Description Sets the value of the Service Request Enable Register.
Parameters
If the specified parameter is out of the allowable setting range, the minimum value (if the
lower limit of the range is not reached) or the maximum value (if the upper limit of the
range is exceeded) is set.
Query response {numeric}<newline><^END>
Corresponding
key
No front panel key is available to execute this function.
<numeric>
Description Setting value of the register
Range 0 to 255
Initial value 0
Resolution 1
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