Agilent Technologies AGILENT U2761A Manual de servicio Pagina 28

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2 IEEE-488.2 Common Commands
20 U2761A Programmer’s Reference
*ESR?
Syntax
*ESR?
This query reads the event register of the Standard Event register group
and returns a decimal value which corresponds to the binary- weighted
sum of all bits set in the register.
Remarks
Once a bit is set, it will remain set until cleared by a clear status
(*CLS) command or queried by this command.
For more information on the Standard Event register, refer to
Chapter 1, “Status system diagram” on page 12. The bit definitions for
the Standard Event register are listed in “Standard Event register” on
page 14.
Example
The following query reads the event register (assumed that bit 4 is set)
*ESR?
Typical response:
+16
?*ESR
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