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UTD2000 Series User Manual
29
Table 4-3 Pulse width setting menu
Function Menu Setting Description
Polarity
Positive Set the positive pulse width as trigger signal
Negative Set the negative pulse width as trigger signal
Pulse width
condition
>
Trigger when pulse width is greater than the set value
<
Trigger when pulse width is less than the set value
<>
Trigger when pulse width is in the range of set value.
Pulse width time
The pulse width is set at 20ns～10s, adjust the time through multifunctional
knob on the front panel.
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4.3 Slope trigger
After the slope trigger is selected, DSO generates a trigger when the rising/descending
slope of signal.
Table 4-4 Slope trigger menu
Function
Menu
Setting Description
Type Slope
Source
CH1 Set CH1 as trigger signal.
CH2 Set CH2 as trigger signal.
Trigger
coupling
AC
HF
Noise
Block the DC components of insput signals.
Hold off the high-frequency components (over 80kHz) of the signal.
Hold off the high-frequency noise of the signal to reduce the probability of mis-
trigger.
Trigger mode
AUTO
When there is no signal input, the system will automatically collect waveform data
and the scan base line will be displayed on the screen. When there is signal input,
the system will automatically switch to trigger scan.
Normal
Stop collecting data when there is no trigger signal, the system will conduct
trigger scan when the trigger signal generates.
Single The DSO will only perform 1 cycle of triggering when there is triggering signal.
Slope setting Enter slope setting menu
Table 4-5 Slope setting menu
Function
Menu
Setting Description
Slope
condition
Rising >
The DSO generates a trigger when the slew rate of rising edge of signal is
higher than the specified slew rate.
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