HP 83751A Programming Manual page 168

Programming Commands
Status Subsystem
STATUS:PRESet
This command presets the following enable and transition registers:
Unused bits remain 0's.
STATus:QUEStionable:CONDition?
Queries the Data Questionable Condition Register.
Query Syntax
Sets and queries the Data Questionable SRQ ENABle register.
The STATus:PRESet value is 0.
*RST has no effect.
2-62
is set to all 0's.
is set to all 0's.
all bits that are used are set to 1's.
STATus:QUEStionable:ENABle?