User Manual
to draw the waveform on right of trigger point.
Trigger control area consists of 1 rotary control and 3 menu keys.
TRIG LEVEL: The rotary control that set the trigger level; press the rotary control
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
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.
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 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 Figure 5-18.
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