Pulse Width Trigger - Aktakom ADS2061 User Manual

Video menu list:
MENU SETTING
Single Mode
Source
Modu
Sync
Line NO.
Mode
Holdoff

3. Pulse Width Trigger

Pulse trigger occurs according to the width of pulse. The abnormal signals can be
detected through setting up the pulse width condition.
The Pulse Width Trigger Menu is shown as
Pulse Width Trigger menu list
MENU
Single Mode
Source
Coupling
User Manual of Smart Digital Storage Oscilloscope
Fig. 5-18 Video trigger menu
INSTRUCTION
Video Set vertical channel trigger type as video trigger.
CH1 Select CH1 as the trigger source.
CH2 Select CH2 as the trigger source.
EXT The external trigger input.
EXT/5 Ext-trigger divided to 5 to extend trigger level range.
NTSC
PAL Select video modulation
SECAM
Line Synchronic trigger in video line.
Field Synchronic trigger in video field.
Odd Synchronic trigger in video odd filed
Even Synchronic trigger in video even field
Synchronic trigger in designed video line, turn the M
knob to set the line number
Auto Acquire waveform even no trigger occurred
Holdoff
100ns~10s, adjust the M knob to set time interval
before another trigger occur.
Reset Set Holdoff time as 100ns
Fig. 5-19 Pulse Width Trigger menu
SETTING INSTRUCTION
Set vertical channel trigger type as pulse trigger.
Pulse
CH1 Select CH1 as the trigger source.
CH2 Select CH2 as the trigger source.
AC Not allow DC portion to pass.
DC Allow all portion pass.
HF Not allow high frequency of signal pass and only low
frequency portion pass.
LF Not allow low frequency of signal pass and only high
frequency portion pass
.
Fig. 5-19
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