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•
Rising: triggers on the rising edge of the input signal when Trigger Position
condition is met.
•
Falling: triggers on the falling edge of the input signal when Trigger Position
condition is met.
•
Either: triggers on the rising or falling edge of the input signal when Trigger
Position condition is met.
Trigger Position
After selecting the window type, specify the time point of trigger by selecting the
trigger position (in Position item).
•
Enter: triggers when the input signal enters the specified trigger level range.
•
Exit: triggers when the input signal exits the specified trigger level range.
•
Time: triggers when the accumulated hold time since the input signal entered
the specified trigger level range is equal to the window time. After you select
this type, click or tap the input field of Time to set it by using the pop-up
numeric keypad. The available range is from 1 ns to 10 s.
Trigger Mode
In Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to
descriptions in
Trigger Mode
Trigger Parameter Setting
You can refer to
Trigger Holdoff
noise rejection under this trigger type.
Level Selection and Setting
After the trigger condition setting is completed, you need to adjust the trigger level
to correctly trigger the signal and obtain a stable waveform.
Click or tap the Level A/Level B input field to set the level A/level B with the pop-up
numeric keypad. You can also use the trigger level knob or use the corresponding
multipurpose knob to adjust level A/level B. When Linkage is ticked, the upper limit
and lower limit values change at the same time. The difference between upper and
lower limit remains unchanged. For details, refer to descriptions in
current trigger level is displayed in the trigger information label at the top of the
screen.
TIP
Press the trigger level knob to switch between three modes: "only adjust Level A", "only adjust
Level B", and "adjust Level A and Level B at the same time".
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15
10
20
5
25
0
30
.
and
Noise Rejection
to set the trigger holdoff and
Triggering the Oscilloscope
Trigger Level
. The
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DHO1000 User Guide
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