User Manual

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TRIG LEVEL: The knob that set the trigger level; press the knob and the
level will be cleaned to Zero.
50%: The instant execute button setting the trigger level to the vertical
midpoint between the peaks of the trigger signal.
Force: Force to create a trigger signal and the function is mainly used in
"Normal" and "Single" mode.
Trigger Menu: The button that activates the trigger control menu.
Trigger Control
Trigger: Use a trigger level to capture stable waveforms in 4 channels
simultaneously.
Trigger has four modes: edge trigger, video trigger, slope trigger and pulse
trigger.
Edge Trigger: It occurs when the trigger input passes through a specified
voltage level with the specified slope.
Video Trigger: Trigger on fields or lines for standard video signal.
Slope Trigger: The oscilloscope begins to trigger according to the signal rising
or falling speed.
Pulse Trigger: Find pulses with certain widths.
The four trigger modes in Trigger are described respectively as follows:
1. Edge Trigger
An edge trigger occurs on trigger threshold value of input signal. Select Edge
trigger mode to trigger on rising edge or falling edge.
The description of the Edge Trigger Menu is as follows:
Menu
Settings
Instruction
Trigger Mode
Edge
Set vertical channel trigger type as edge trigger.
Source
AC
Channel 1 as trigger signal.
Channel 2 as trigger signal.
Channel 3 as trigger signal.
Channel 4 as trigger signal.
AC power line as trigger signal.
Coupling
AC
DC
HF
LF
Block the direct current component.
Allow all component pass.
Block the high-frequency signal, only low-frequency
component pass.
Block the low-frequency signal, only high-frequency
component pass.
Slope
Rising
Falling
Trigger on rising edge
Trigger on falling edge