19.1. Trigger Control
The oscilloscope provides two trigger types: single trigger and alternate trigger.
Single trigger: Use a trigger level to capture stable waveforms in two channels simultaneously.
Alternate trigger: Trigger on non-synchronized signals.
The Single Trigger and Alternate Trigger menus are described respectively as follows:
Single trigger
Single 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 direction.
Video Trigger: Trigger on out 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 pulse width.
The four trigger modes in Single 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 Edge Trigger Menu is shown as Fig. 30
Fig. 30 Edge trigger menu
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