Over Amplitude Trigger - UNI-T UTD2000CEX-II Series User Manual

UTD2000CEX-II
User Manual
Under-range Trigger Menu (2)
Options Descriptions
Functions
Positive Polarity
Polarity Negative Polarity
Irrelevant
Triggers when set pulse width is
＜
less than under-range width
Condition
Triggers when set pulse width is
＞
greater than under-range pulse width
Triggers when set pulse width is
＝
equal to under-range pulse width
Time Use the multipurpose knob to set the
20.0ns~10ns
Setting pulse width time in 20.0ns~10.0s range
The slope of the low threshold level
Low
can be adjusted with the LEVEL knob
The slope of the high threshold level
High
Threshold
can be adjusted with the LEVEL knob
The slope of the high and low threshold
High and Low
level can be adjusted with the LEVEL knob
3.7 Beyond-range Trigger
When beyond-range trigger is selected, a high and a low trigger levels are
chosen. The trigger event occurs when the input signal is higher than the
high tigger level, or lower than the low trigger level. Press the TRIG MENU
button to enter the trigger menu. Press F1 to select trigger type, use the
Multipurpose knob to select to beyond-range mode.
Beyond-range Trigger Menu (1):
Options Descriptions
Functions
Type Beyond-range
Set any one of the Ch1,
CH1, CH2
Sources
CH2as a trigger signal
Pass all components
DC
of the signal
Blocks the DC components
AC
of the signal
Trigger
Coupling
High frequency
Suppression of signal
suppression frequency above 1.23MHz
Low frequency Suppression of signal
frequency below 680kHz
suppression
Suppress the noise of the trigger
Noise
suppression
signal, trigger sensitivity is halved.
When the signal input is not triggered,
the system automatically collects the
waveform data and displays the scan
Auto
baseline on the screen. When a trigger
signal is generated, it automatically
Trigger
turns to the trigger scan.
Mode
The data acquisition stops when
Normal
the signal is not triggered.
Single Generates a trigger , and then stops
Beyond-range
Enters Beyond-range Setting
Setting
Trigger Menu (2)