OWON SDS Series - Manual (Page 45)

5.Advanced User Guidebook
Threshold
High level
Low level
Slew rate
Turn the M knob to set the High level
Turn the M knob to set Low level
Slew rate=( High level- Low level)/ Settings
Mode
Holdoff
Auto
Holdoff
Reset
Acquire waveform even no trigger occurred
100ns~10s, adjust the M knob to set time interval
before another trigger occur.
Set Holdoff time as 100ns
4. Alternate trigger (Trigger Mode: Pulse)
Alternate trigger (Trigger Type: Pulse) Menu is shown as Figure 5-23.
Figure 5-23 Alternate trigger (Trigger Type: Pulse) Menu
Alternate trigger (Trigger Type: Pulse) menu list:
MENU SETTING INSTRUCTION
Alternate
Mode
Pulse Set vertical channel trigger type as pulse trigger.
Source
CH1
CH2 Select CH1 as the trigger source.
Select CH2 as the trigger source.
Coupling
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.
when
Polarity
Choose the polarity
Select pulse width condition and turn the M knob to
set time.
Mode
Holdoff
Auto
Holdoff
Reset
Acquire waveform even no trigger occurred
100ns~10s, adjust M knob to set time interval before
another trigger occur.
Set Holdoff time as 100ns
Term interpretation
1. Source: Trigger can occur from several sources: Input channels (CH1, CH2), AC
Line, Ext, Ext/5.
 Input: It is the most commonly used trigger source. The channel will work when
40