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4.Advanced User Guidebook
Two ways to enter trigger mode:
Key operation: Press Trigger Menu panel button, then bottom menu Trigger Type,
select Single, ALT, Logic or Bus Trigger on the popup right
menus, rotate M knob to choose different trigger types.
Touch operation (Optional): Click Main menu icon on the left top of the screen,
select Trig Menu, click bottom button Trigger Type, choose
Single, ALT, Logic or Bus Trigger on the popup right menus,
click to choose different trigger types。
Single trigger: Use a trigger level to capture stable waveforms in two channels
simultaneously.
Alternate trigger: Trigger on non-synchronized signals.
Logic trigger: Trigger the signal according to the condition of logic relationship.
Bus trigger: Set bus timing trigger.
The Single Trigger, Alternate Trigger, Logic Trigger and Bus Trigger menus
are described respectively as follows:
Single Trigger
Single trigger has eight types: edge trigger, video trigger, slope trigger, pulse trigger,
runt trigger, windows trigger, timeout trigger and Nth edge 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.
Runt Trigger: Trigger pulses that pass through one trigger level but fail to pass
through the other trigger level.
Windows Trigger: Provide a high trigger level and low trigger level, the oscilloscope
triggers when the input signal passes through the high trigger level or
the low trigger level.
Timeout Trigger: The oscilloscope triggers when the time interval from when the
rising edge (or the falling edge) passes through the trigger level to
when the neighbouring falling edge (or the rising edge) passes
through the trigger level is greater than the timeout time set.
Nth Edge Trigger: The oscilloscope triggers on the Nth edge that appears on the
specified idle time.
The eight trigger modes in Single Trigger are described respectively as follows:
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