Owon XDS4000 Series User Manual page 46

Slope
Auto
Normal
Single
Mode
Holdoff
Holdoff
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
Single Video
Mode
CH1
CH2
Source
CH3
CH4
NTSC
Modu PAL
SECAM
Line
Field
Sync
Odd
Even
Line NO.
4.Advanced User Guidebook
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, turn the M knob or click
time interval before another trigger occur, press
panel button or click
cursor to choose which digit to be set.
INSTRUCTION
Set vertical channel trigger type as video trigger
Select CH1 as the trigger source
Select CH2 as the trigger source
Select CH3 as the trigger source
Select CH4 as the trigger source
Select video modulation
Synchronic trigger in video line
Synchronic trigger in video field
Synchronic trigger in video odd filed
Synchronic trigger in video even field
Synchronic trigger in designed video line, turn
40
, indicates that trigger type is
to set
to move