8230E Optical Power Meter Operation Manual
4.5 Status Register
4-10
Conditions which clear the device event status register
•
When the power is turned on.
•
When “*CLS” is executed.
•
When “*DSR?” is executed.
Conditions which clear the device event status enable register
•
When the power is turned on.
•
The DSE0 command is executed.
Table 4-2 Device Event Status Register
bit
Name
Description
0
EOM
End Of Measure
ON: Sets to 1 when the measurement is complete.
OFF: Sets to 0 when the measurement starts.Set to 0 when the
measurement data is loaded.
1
EOZ
End Of Zero
ON: Sets to 1 when ZERO is complete.
2
EOC
End Of Cal
ON: Sets to 1 when the calibration is complete.
(XPC, XIVC, XWR)
OFF: Sets to 0 when the calibration starts.
3
OVR
Over Range
ON: Sets to 1 when the measurement data is above the measure-
ment range.
OFF: Sets to 0 when the measurement data is not above the mea-
surement range.
4
UNR
Under Range
ON: Sets to 1 when the measurement data is below the measure-
ment range.
OFF: Sets to 0 when the measurement data is not below the mea-
surement range.
5
Not used
Fixed to 0
6
Not used
Fixed to 0
7
Not used
Fixed to 0
8
Not used
Fixed to 0
9
Not used
Fixed to 0
10
Not used
Fixed to 0
11
Not used
Fixed to 0
12
Not used
Fixed to 0
13
Not used
Fixed to 0
14
Not used
Fixed to 0
15
Not used
Fixed to 0
