User`s guide

Description
Power-On Status Clear. This command enables or disables the clearing of
certain enable registers at power on. With *PSC 0 specified, these registers
are not cleared at power on. With *PSC 1 specified, these registers are
cleared at power on. The following registers are affected:
Questionable Data Register:
STATus:QUEStionable:ENABle
Standard Operation Register:
STATus:OPERation:ENABle
Status Byte Register:
*SRE (Service Request Enable)
Standard Event Register:
*ESE (Event Status Enable)
The *PSC command does not affect the clearing of the condition or
event registers, just the enable registers. For more information on
the SCPI Status System for the Agilent 34410A/11A/L4411A, see
Status System Introduction.