Owon PDS5022S User Manual page 43

User's Manual of OWON Colour Digital Storage Oscilloscope
The Edge Trigger Menu is described as below:
Function Menu
Source
Slope
Mode
Coupling
HoldOff
Holdoff
Reset
Holdoff:A time interval before the oscilloscope responses to next trigger
signal.During this Holdoff period,the trigger system becomes "blind " to grigger
signals.This function helps to view complex signals such as an AM waveform.Press
Holdoff button to activate "TRIG LEVEL" knob,then turn it to adjust Holdoff time.
Make such settings in Channel 1 as Rising for Slop, Auto for Mode and DC for
Coupling. The operation steps are as follows:
1. Press the TRIG MENU button and call out the trigger menu.
2. Press the F1 menu selection button and select Edge for Type.
3. Press the F2 menu selection button and choose CH1 for Source.
4. Press the F3 menu selection button and select Rising for Slope.
Setting Description
CH1 Set Channel 1 as the trigger signal of the source.
CH2 Set Channel 2 as the trigger signal of the source.
EXT Set the external trigger channel as the trigger signal
of the source.
EXT/5 Divide the External Trigger Source by 5 to expand
the external trigger level range.
Rising Set a trigger on the rising edge of the signal.
Falling Set a trigger on the falling edge of the signal.
Auto Collect the wave form even if there is not trigger
condition is detected.
Normal Collect the wave form only when the trigger
condition is fulfilled.
Single Collect a wave form when a trigger is detected, and
then stop sampling.
AC Block the direct current component.
DC Unblock all components.
HF Rjc Block the high-frequency signal and only unblock
the low-frequency component.
LF Rjc Block the low-frequency signal and only unblock
the high -frequency component.
To next menu
Back to previous menu
100ns～ Turn "TRIG LEVEL" knob to set time slot before
10s another trigger event
Reset hold time to 100ns.
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