86
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4.4 Trigger Functions
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Increases in number
Move the cursor to right
Decreases in number
Editing Trigger Level, Upper limit,
Lower Limit of the Period Trigger
Move the cursor to left
Confirms the value
NOTE
Time Axis
100
μ
s
200
μ
s
500
μ
s
1 ms
2 ms
5 ms
10 ms
20 ms
50 ms
100 ms
Sampling
Period
1
μ
s
2
μ
s
5
μ
s
10
μ
s
20
μ
s
50
μ
s
100
μ
s
200
μ
s
500
μ
s
1 ms
Maximum
upper limit
20 ms
40 ms 100 ms 200 ms 400 ms
1 s
2 s
4 s
10 s
20 s
Minimum
lower limit
10
μ
s
20
μ
s
50
μ
s
100
μ
s
200
μ
s
500
μ
s
1 ms
2 ms
5 ms
10 ms
Time Axis
200 ms 500 ms
1 s
2 s
5 s
10 s
30 s
1 min
2 min
5 min
Sampling
Period
2 ms
5 ms
10 ms
20 ms
50 ms 100 ms 300 ms
600 ms
1.2 s
3 s
Maximum
upper limit
40 s
100 s
200 s
400 s
1000 s
2000 s 100 min 200 min 400 min 1000 min
Minimum
lower limit
20 ms
50 ms 100 ms 200 ms 500 ms
1 s
3 s
6 s
12 s
30 s
Setting the Period Trigger
1. On the trigger condition menu of a
channel (CH1 or CH2), select "
Period
",
then press the
ENTER
key.
2. Set a trigger level under "
Level
".
3. Set a slope condition under "
Slope
".
UP : Activates a trigger at the rise of a
waveform.
DOWN: Activates a trigger at the fall of a
waveform.
4. Set the upper limit of the period under
"
Upper
".
5. Set the lower limit of the period under
"
Lower
".
The trigger filter is not provided for the period trigger and an untended trigger may be activated
due to noise. In such case, set an appropriate low-pass filter. (See 4.3.3)
The period range setting for the period trigger varies depending on the sampling period (time axis
setting). (See 4.2.1)
Lower limit :
10 times of the sampling period.
Upper limit :
20000 times of the sampling period.
External Sampling;
Lower limit: 10 samples, Upper limit: 20000 samples
