Owon TAO3000 Series User Manual page 36

right of the screen, for example,
type is edge, trigger source is CH1, coupling is DC, and trigger level is 0.00mV.
Edge menu list:
Menu Setting
Single Edge
CH1
CH2
Source
CH3
CH4
AC
DC
Coupling
HF
Slope
Auto
Normal
Single
Mode
Holdoff
Holdoff
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,
Video, trigger source is CH1, and Sync type is Even.
Video Trigger menu list:
Menu Setting
4.Advanced User Guidebook
Instruction
Set vertical channel trigger type as edge trigger.
Channel 1 as trigger signal.
Channel 2 as trigger signal.
Channel 3 as trigger signal.
Channel 4 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
another trigger occur, click
choose which digit to be set.
Set the trigger sensitivity.
Instruction
30
, indicates that trigger
or to set time interval before
to move cursor to
, indicates that trigger type is