Fluke THE HART 1529 - Manual (Page 127)

bit 4: measurement invalid
bits 5-15: not used
8.4.12.18 STATus:QUEStionable:CONDition?
Returns the Questionable Status Condition Register.
STAT:QUES:COND?
16
The assignment of the bits in this register is as follows:
bits 0-3: not used
bit 4: measurement invalid
bits 5-15: not used
8.4.12.19 STATus:QUEStionable:ENABle? [MIN|MAX|DEF]
Returns the Questionable Status Enable Register.
STAT:QUES:ENAB?
255
8.4.12.20 STATus:QUEStionable:ENABle |MIN|MAX|DEF
Sets the Questionable Status Enable Register.
STAT:QUES:ENAB 10
121
8 Digital Communications Interface
Commands