10-28 IM 701450-01E
Status Determination Pattern
You can set four types, A to D, of status determination patterns. The status of 64 points
can be specified using the H (High), L (Low), and X (Don’t Care) designations.
H
Status when the waveform is greater than Thr Upper (1 in the case of logic input)
L
Status when the waveform is less than Thr Lower (0 in the case of logic input)
X
No determination.
* If you execute Clear Pattern, all 64 points are set to Xs.
Search Start Point
You can set the search start point. The selectable range is ±5 divisions. The resolution
is 10 divisions÷the display record length. For a description of the display record length,
see appendix 1. However, if the clock channel is set to None, the search start point
when executing the search is defined as follows:
• Taking the first rising or falling edge located to the right of the specified Start Point on
the screen as the reference point, the search start point is set to the point 1/2 the
specified interval to the right of the reference point.
Thr Upper
Thr Lower
Edge detection (reference point)
Start Point
A: Interval
A
A
B
B: Interval/2
Search start point when
executing the search
• When the interval between the Start Point and the search start position defined above
is greater than the detection interval, the search start point is set by moving the point
back by intervals specified by Interval so that the interval between the Start Point and
the search start point is within Interval and the Start Point is not exceeded (the search
start point shall not be to the left of the Start Point on the screen).
Thr Upper
Thr Lower
Edge detection (reference point)
Start Point
A: Interval
A
A
B
B: Interval/2
C: <Interval
Search start point when
executing the search
A
A
C
• Rising and falling edges are not detected in the hysteresis range (including the upper
and lower limits of hysteresis) of the Clock CH.
10.4 Searching Waveforms Using the Search and Zoom Function
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