Datasheet

4.Advanced User Guidebook
36
Holdoff
Reset
100 ns - 10 s, turn the M knob or click to set time
interval before another trigger occur, press
panel button or click
to move cursor to
choose which digit to be set.
Set Holdoff time as default value (100 ns).
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.
Video Trigger menu list:
MENU
SETTING
INSTRUCTION
Single Mode
Video
Set vertical channel trigger type as video trigger
Source
CH1
CH2
CH3
CH4
Select CH1 as the trigger source
Select CH2 as the trigger source
Select CH3 as the trigger source
Select CH4 as the trigger source
Modu
NTSC
PAL
SECAM
Select video modulation
Sync
Line
Field
Odd
Even
Line NO.
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 the M
knob or click to set the line number
Mode
Holdoff
Auto Acquire waveform even no trigger occurred
3. Pulse Width Trigger