9
5 Trigger system
About trigger
The oscilloscope will capture a frame of waveform only after the waveform
meets the pre-set conditions. This action of capturing the waveform according to the
conditions is the trigger.
What does trigger do?
1.
Trigger can stabilize the waveform on the screen.
2.
Capture the segment of the waveform you want to observe.
The trigger supported by the oscilloscope is edge trigger, including rising edge
trigger and falling edge trigger.
5.1 Trigger level
In edge trigger mode, a trigger condition occurs only when the waveform crosses
the trigger level. To adjust the trigger level:
1.
Change "Trigger Level" to "Manual" in the menu.
2.
Method 1:
Press and hold the Power key, and then click the up and down direction
buttons to adjust the trigger level.
Method 2:(
Not recommended)
In the main window, make sure that the mark in the upper left corner of the
screen is the trigger level arrow(Thin left arrow), as shown in the figure:
If it is not this arrow, long press the “
mV
” button to switch.
Press the
↑↓
buttons to move the trigger level up and down.
5.2 Trigger position
The default trigger position of the oscilloscope is in the middle of the screen. In
