Tektronix AFG2021 Programmer's Manual page 126

Status and Events
3-8
Operation Condition Register (OCR). The Operation Condition Register is made
up of sixteen bits which note the occurrence of events, as shown in the following
figure.
Figure 3-4: Operation Condition Register (OCR)
Table 3-3: OCR bit functions
Bit
15 to 8
5
4
3
2 to 1
0
Questionable Event Register (QEVR). This register has the same content as the
Questionable Condition Register.
Questionable Condition Register (QCR). The Questionable Condition Register is
made up of sixteen bits which note the occurrence of two types of events.
Figure 3-5: Questionable Condition Register (QCR)
AFG2021 Arbitrary Function Generator Programmer Manual
Function
—–
WTRIG CH1
—–
SWE
—–
CAL
Not used
Waiting for Trigger.
Indicates whether the
instrument is waiting for
a trigger. This bit is set
when CH 1 is waiting for a
trigger. Bit is reset when the
waiting-for-trigger status is
canceled.
Not used
Sweep. Indicates whether
the instrument is executing
a frequency sweep. This
bit is set when a frequency
sweep is being executed on
CH 1. Bit is reset when the
execution stops.
Not used
Calibration. Indicates
whether the instrument is
being calibrated. This bit
is set when calibration is in
progress and is reset when
the calibration is complete.