4601 I-V Meter Operation Manual
6.4 Status Register Structure
6-14
4. Questionable Event Register (QSR)
•
Common conditions in which the Questionable Event Register is cleared
All cleared when the power is turned ON.
All cleared by *CLS.
All cleared when read by QSR?.
•
Conditions in which the Questionable Event Enable Register is cleared
Cleared when the power is turned ON.
Cleared when the QSE0 command is executed.
Table 6-6 Questionable Event Register
bit
Name
Description
0 Not in use
Always set to 0
1 MRO
(Measurement Range Over)
ON: Set to 0 when a measurement over-range occurs.
2 Not in use
Always set to 0
3 Not in use
Always set to 0
4 Not in use
Always set to 0
5 Not in use
Always set to 0
6 Not in use
Always set to 0
7 Not in use
Always set to 0
8 CAL
(Summary of Calibration)
ON: Set to 1 when the default calibration values or the calibration values
acquired at previous power ON are used due to the calibration data
SUM failure in the power ON check.
9 Not in use
Always set to 0
10 SPL
(Saved Parameter Lost)
ON: Set to 1 when the default values or the setting values acquired at
previous power ON are used due to the saved parameter SUM failure
in the power ON check.
11 Not in use
Always set to 0
12 RLY
(Operate Relay Limited)
ON: Set to 1 when the number of operate relay operations exceeds
1,000,000 times.
13 Not in use
Always set to 0
14 Not in use
Always set to 0
15 Not in use
Always set to 0
