User’s Manual of
OWON
Colour Digital Storage Oscilloscope
41
The
Edge Trigger Menu
is described as below:
Function Menu
Setting
Description
Source
CH1
CH2
EXT
EXT/5
Set Channel 1 as the trigger signal of the source.
Set Channel 2 as the trigger signal of the source.
Set the external trigger channel as the trigger signal
of the source.
Divide the External Trigger Source by 5 to expand
the external trigger level range.
Slope
Rising
Falling
Set a trigger on the rising edge of the signal.
Set a trigger on the falling edge of the signal.
Mode
Auto
Normal
Single
Collect the wave form even if there is not trigger
condition is detected.
Collect the wave form only when the trigger
condition is fulfilled.
Collect a wave form when a trigger is detected, and
then stop sampling.
Coupling
AC
DC
HF Rjc
LF Rjc
Block the direct current component.
Unblock all components.
Block the high-frequency signal and only unblock
the low-frequency component.
Block the low-frequency signal and only unblock
the high -frequency component.
To next menu
Back to previous menu
HoldOff
100ns
~
10s
Turn “TRIG LEVEL” knob to set time slot before
another trigger event
Holdoff
Reset
Reset hold time to 100ns.
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.