4.Advanced User Guidebook
1. Edge Trigger
An edge trigger occurs on trigger level value of the specified edge of input
signal. Select Edge trigger mode to trigger on rising edge or falling edge.
In Edge Trigger mode, the trigger setting information is displayed on bottom
right of the screen, for example, , indicates that trigger
type is edge, trigger source is CH1, coupling is DC, and trigger level is 0.00mV.
Edge menu list:
Set vertical channel trigger type as edge trigger.
Channel 1 as trigger signal.
Channel 2 as trigger signal.
Block the direct current component.
Allow all component pass.
Block the high-frequency signal, only low-frequency
component pass.
Trigger on rising edge
Trigger on falling edge
Acquire waveform even no trigger occurs
Acquire waveform when trigger occurs
When trigger occurs, acquire one waveform then stop
100 ns - 10 s, click or to set time interval before
another trigger occur, click to move cursor to
choose which digit to be set.
Set the trigger sensitivity.
Trigger Level: trigger level indicates vertical trig position of the channel, turn
the trig level knob or slide on the touch screen upward and downward to move
trigger level, during setting, an orange red dotted line displays to show trig
position, and the value of trigger level changes at the right corner, after setting,
dotted line disappears.
2. Video Trigger
Choose video trigger to trigger on fields or lines of NTSC, PAL or SECAM
standard video signals.
In Video Trigger mode, the trigger setting information is displayed on bottom
right of the screen, for example, , indicates that trigger type is
Video, trigger source is CH1, and Sync type is Even.