The Edge Trigger Menu is shown as Fig.5-17
Edge menu list:
MENU
SETTINGS
Single Mode
Source
Couple
Slope
Mode
Holdoff
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
35
Fig. 5-17 Edge trigger menu
INSTRUCTION
Edge
Set vertical channel trigger type as edge trigger.
CH1
Select CH1 as trigger signal.
CH2
Select CH2 as trigger signal.
EXT
Select Ext-trigger as trigger signal
EXT/5
Select attenuated Ext TRIG/5 as trigger signal.
AC Line
Select power line as trigger signal.
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.
Trigger in signal rising edge
Trigger in signal falling edge
Auto
Acquire waveform even no trigger occurred
Normal
Acquire waveform when trigger occurred
Single
When trigger occurs, acquire one waveform then stop
Holdoff
100ns~10s, adjust M knob to set time interval before
another trigger occur.
Reset
Set Holdoff time as 100ns
User Manual of Smart Digital Storage Oscilloscope