9-11
IM 704510-01E
Statistical Calculation and Inter-Symbol Interference Analysis
3
2
1
4
5
6
7
8
9
10
11
12
13
14
15
Slope = A
A B
Mode
Polality
Trigger
Target
Explanation
Single
:+
Prev. A
↑
B
↓
/Next A
↓
B
↓
Extracts the front
:+
Prev. A
↓
B
↓
/Next A
↑
B
↓
edge or back
:+
Prev. A
↓
B
↓
/Next A
↑
B
↓
edge of the trigger
:+
Prev. A
↑
B
↓
/Next A
↓
B
↓
Combination
:+
Prev. A
↑
B
↓
/Mid. A
↓
B
↓
/
Extracts the front
Next A
↑
B
↓
edge, middle edge, or
:+
Prev. A
↓
B
↓
/Mid. A
↑
B
↓
/
back edge of the
Next A
↓
B
↓
trigger
:+
Prev. A
↓
B
↓
/Mid. A
↑
B
↓
/
Next A
↓
B
↓
:+
Prev. A
↑
B
↓
/Mid. A
↓
B
↓
/
Next A
↑
B
↓
Use of Color in Histogram Displays
• Histogram of the extracted data
• Data for A
A
↑
B
↑
or A
A
↑
B
↓
: Red
• Data for A
A
↓
B
↑
or A
A
↓
B
↓
: Blue
• Histogram of all spaces or marks
• Data for A
A
↑
B
↑
or A
A
↑
B
↓
: Pink
• Data for A
A
↓
B
↑
or A
A
↓
B
↓
: Light blue
Note
In “pulse width A
→
pulse width B” or “pulse width A
→
A-to-B time interval” measurement, if
continuous measurement fails 256 times, analysis is not possible. In this case, a warning
message is displayed, and the data becomes invalid.
9.2 Setting the Inter-symbol Interference Analysis
