SCPI Status Register
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customer through BIT4 bit. The data bits in Status byte group will not be
latched, when the information in event register is changed, the correspo0nding
bit in status byte register will subsequently be changed.
One or more bits are set in the questionable
status
register (bits must be enabled in the enable
register).
Data is available in the power supply output
buffer.
One or more bits are set in the standard
event register (bits must be enabled in the
enable register).
The power supply is requesting service
(serial poll).