Pulse Width Trigger - UNI-T UTD2000 Series User Manual

DC
HF
LF

4.2 Pulse width trigger

For pulse width trigger, the trigger time shall be subject to pulse width of the triggering
signal. You can capture abnormal pulse by setting pulse width conditions.
Table 4-2 Pulse width trigger menu (page 1)
Function Menu Setting
Type Pluse
CH1
CH2
EXT
Source
AC Line
Alter
>
Pulse width
<
conditions
=
Pulse width
setting
Next 1/2
Table 4-3 Pulse width trigger menu (page 2)
Function Menu Setting
Type Pluse
Positive
Polarity
Negative
AUTO
Mode Normal
Single
AC
DC
Coupling
HF
LF
Previous 2/2
Pass through DC and AC components of triggering signa
Reject high-frequency component of the triggering signal (over 80kHz signals)
Reject low-frequency component of the triggering signal (below 80kHz signals)
Description
Set CH1 as the triggering signal source
Set CH2 as the triggering signal source
Set external trigger input channel as the triggering signal source
Set AC power line as trigger source
Set to Alternative trigger between CH1 and CH2 as signal source
Trigger when pulse width is greater than Pulse Width setting values
Trigger when pulse width is less than Pulse Width setting values
Trigger when pulse width is equal than Pulse Width setting values
Set the pulse width to between 20ns~10s by using the multi-purpose knob on
the front panel。
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Description
Set the positive pulse width as trigger signal
Set the negative pulse width as trigger signal
Set to automatic trigger. The DSO will continuously perform data acquisition
without triggering signal.
Set to normal trigger. The DSO will only perform data acquisition when there is
triggering signal.
Set to single trigger. The DSO will only perform 1 cycle of the data acquisition
when there is triggering signal.
Block the DC component of triggering signal
Pass through DC and AC components of triggering signa
Reject high-frequency component of the triggering signal (over 80kHz signals)
Reject low-frequency component of the triggering signal (below 80kHz signals)
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UTD2000 Series User Manual