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

Slope Setting Menu
Descriptions
Functions Options
Falling Triggers with falling slope
Slope
Rising Triggers with rising slope
When slew rate setting is smaller
than signal slew rate, trigger occurs
When slew rate setting is greater
Condition
than signal slew rate, trigger occurs
When slew rate setting is equal
=
to signal slew rate, trigger occurs
Pulse width can be set in
Time
20.0ns~10.0s range, Use the
20.0ns ~10.0s
Setting
multipurpose knob to set time,
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
3.6 Under-range Trigger Trigger
The Under-range Trigger occurs when a pulse crosses over one trigger
level but not over the other one. Press the TRIG MENU button to enter the
trigger menu. Press F1 to select trigger type and use the Multipurpose
knob to select Under-range Trigger mode.
Under-range Trigger Menu (1):
Options Descriptions
Functions
Type Under-range
Set any one of the Ch1,
CH1, CH2
Sources
CH2as a trigger signal
Pass all components of the signal
DC
Blocks the DC components of the signal
AC
Suppression of signal
High frequency
Trigger
frequency above 1.23MHz
suppression
Coupling
Suppression of signal
Low frequency
frequency below 680kHz
suppression
Noise
Suppress the noise of the trigger
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
turns to the trigger scan.
Trigger
Mode The data acquisition stops
Normal
when the signal is not triggered.
Single Generates a trigger, and then stops
Under-range
Enters Under-range Trigger Menu (2)
Setting
UTD2000CEX-II
User Manual