Owon TAO3000 Dual-Channel Series, Руководство пользователя

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4.Advanced User Guidebook
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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:
Menu Setting Instruction
Single Edge Set vertical channel trigger type as edge trigger.
Source
CH1
CH2 Channel 1 as trigger signal.
Channel 2 as trigger signal.
Coupling
AC
DC
HF Block the direct current component.
Allow all component pass.
Block the high-frequency signal, only low-frequency
component pass.
Slope
Trigger on rising edge
Trigger on falling edge
Mode
Holdoff
Auto Acquire waveform even no trigger occurs
Normal Acquire waveform when trigger occurs
Single When trigger occurs, acquire one waveform then stop
Holdoff
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.
Sensitivity 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.