Keithley 6482 - Page 177

13-14 Return to Section Topics 6482-901-01 Rev. A / August 2012
Section 13: Status Structure Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
Questionable event register
The used bits of the questionable event register (Figure 13-7) are described as follows:
• Bits B0 through B7: Not used.
• Bit B8, Calibration Summary (Cal): Set bit indicates that an invalid calibration constant
was detected during the power-up sequence. This error will clear after successful calibration
of the instrument.
• Bits B9 through B13: Not used.
• Bit B14, Command Warning (Warn): Set bit indicates that a signal oriented measurement
command parameter has been ignored.
• Bit B15: Not used.
Figure 13-7
Questionable event status
Questionable Event
Enable Register
&
&
OR
To QSB of Status
Byte Register
(Figure 13-3)
Warn = Command Warning
Cal = Calibration Summary
& = Logical AND
OR = Logical OR
—
(B7 - B0)
CAL
(B8)
—
(B13 - B9)
—
(B15)
Warn
(B14)
Questionable Condition
Register
Questionable
Event Register
—
(B7 - B0)
CAL
(B8)
—
(B13 - B9)
—
(B15)
Warn
(B14)
—
(B7 - B0)
CAL
(B8)
—
(B13 - B9)
—
(B15)
Warn
(B14)
stat:ques:cond?
stat:ques?
stat:ques:enab <NRf>
stat:ques:enab?