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5-3
Programming Commands
Common Commands
Common Commands
Common commands are defined by the IEEE 488.2 standard. They control
generic device functions which could be common among many different types
of instruments. Common commands can be received and processed by the
instrument whether they are sent over the GPIB as separate program mes-
sages or within other program messages.
*CLS
The *CLS (clear status) command clears all the event status registers summa-
rized in the status byte register.
Syntax
*CLS
Description
With the exception of the output queue, all queues that are summarized in the
status byte register are emptied. The error queue is also emptied. Neither the
event status enable register, nor the service request enable register are
affected by this command.
After the *CLS command, the instrument is left in the idle state. The com-
mand does not alter the instrument setting. *OPC and *OPC? actions are can-
celled.
This command cannot be issued as a query.
*ESE
The *ESE (event status enable) command sets the bits in the event status
enable register and enables the corresponding bits in the event status register.
Syntax
*ESE <integer>
*ESE?