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7
The first one is all,The following are vertical zero offset, trigger horizontal
position, and trigger level.You can switch between these 4 options by
moving the joystick up and down/left and right，press Key to
confirm，Then the oscilloscope will perform operations in the meeting
according to the corresponding items.
6. Single(Single trigger)：Single trigger means that after pressing the
button,The oscilloscope samples a frame of waveform,Then stop.That is,
only one frame of waveform is collected per click.It’s important to note
that，This sampling must have a trigger,If it is not triggered,The upper left
corner of the oscilloscope displays "wait",This sampling is not completed
until there is a waveform trigger.The key corresponding to a single
function is the oscilloscope key panel
button。Single function is also
a commonly used function of oscilloscope,For example, when you need to
observe the power-on waveform of the crystal oscillator,If you don’t use
single,The collected power-on waveform will flash by.If you want to
analyze the power-on waveform,It is necessary for the oscilloscope to stop
automatically after acquisition.The specific operation is: adjust the vertical
gear of the oscilloscope,Then click single(At this time, since there is no
waveform, the oscilloscope is in the "wait" state),Then power on the
circuit under test,The cross-domain trigger level of the waveform
generated after the crystal oscillator starts to oscillate,After the
oscilloscope is triggered, it continues to sample once and then stops.At
this point you can drag and expand the waveform for analysis,Of course
there are other applications
7. N
ormal（Normal trigger): press button，The menu page
appears,Move the joystick up and down to select the trigger,Move the
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