User manual

IEEE-488 Reference
4-168 2001-900-01 Rev. K / August 2010
Operation Event Register:
 Set bit indicates that the instrument is calibrating (PTR), or cali-
bration is complete (NTR).
 Set bit indicates that the instrument is waiting for signals to settle
(PTR), or the settling period has expired (NTR).
 Not used.
 Set bit indicates that the instrument is waiting in the trig-
ger layer (PTR) of the trigger model, or that it has left the trigger layer (NTR).
 Set bit indicates that the instrument is waiting in an arm
layer of the trigger model (PTR), or operation has proceeded from the arm layers into the trigger
layer (NTR).
 Not used.
 Set bit indicates that the instrument is performing a math calcu-
lation (PTR) or the calculation is complete (NTR).
 Set bit indicates that the instrument is in the idle state (PTR), or has left the
idle state to perform an operation (NTR).
 Not used.
Cal
B13 - B9 B8
B15 B14
(2 )
8
256
(2 )
14
16384
0/10/1
Warn
B7 - B5
0
Temp
B4
(2 )
4
16
0/1
B3 - B0
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Event Bit Set
0 = Event Bit Cleared
Events : Warn = Command Warning
Cal = Calibration Summary
Temp = Temperature Summary
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Questionable Event Register