5. Advanced User Guidebook
The Edge Trigger Menu is shown as Fig.5-17
Fig. 5-17 Edge trigger menu
Edge menu list:
MENU SETTINGS INSTRUCTION
Single Mode Edge Set vertical channel trigger type as edge trigger.
Source
CH1
CH2
EXT
EXT/5
AC Line
Select CH1 as trigger signal.
Select CH2 as trigger signal.
Select Ext-trigger as trigger signal
Select attenuated Ext TRIG/5 as trigger signal.
Select power line as trigger signal.
Couple
AC
DC
HF
LF
Not allow DC portion to pass.
Allow all portion pass.
Not allow high frequency of signal pass and only low
frequency portion pass.
Not allow low frequency of signal pass and only high
frequency portion pass.
Slope
Trigger in signal rising edge
Trigger in signal falling edge
Mode
Holdoff
Auto
Normal
Single
Holdoff
Reset
Acquire waveform even no trigger occurred
Acquire waveform when trigger occurred
When trigger occurs, acquire one waveform then stop
100ns~10s, adjust M knob to set time interval before
another trigger occur.
Set Holdoff time as 100ns
2. Video Trigger
Choose video trigger to trigger on fields or lines of NTSC, PAL, or SECAM standard
video signals.
Trig menu refer to Fig.5-18
User Manual of Smart Digital Storage Oscilloscope
35
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