Tektronix Keithley 2281 Series Reference Manual page 569

Model 2281S-20-6 DC Power Supply and Battery Simulator Reference Manual
Questionable Instrument Event Register
Questionable Instrument Event Register summarizes the Questionable Instrument Summary Event
Register. If bit 1 of the Questionable Instrument Event Register is set and bit 1 of Questionable
Instrument Event Enable Register is enabled, bit 13 (ISUM) of the Questionable Event Register is set.
See the following figure and table below it for details.
Bit
0
1
2 through 15
077114601 / March 2019
Figure 165: 2281S Questionable Instrument Event Register
Decimal Bit name
value
Not used Not used
2 SUM1
Not used Not used
Appendix D: Status model
When set, indicates the following
has occurred:
NA
Summary of Questionable Instrument
Summary Event Register.
NA
D-15