User’s Manual of OWON Colour Digital Storage Oscilloscope
46
Single trigger mode of 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.
Type Edge
Set vertical channel trigger type for edge
trigger.
Slope
Rising
Falling
Set a trigger on the rising edge of the signal.
Set a trigger on the falling edge of the signal.
Trig 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.
Sensitivity 0.2div～1.0div Set trigger sensitivity
Holdoff 100ns～10s
Turn “TRIG LEVEL” knob to set time slot
before another trigger event
Holdoff
Reset
Reset hold time to 100ns
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 single for Type.
3、Press the F2 menu selection button and select CH1 for source.
4、Press the F2 menu selection button and select CH1 for source.
5、Press the F4 menu selection button and choose Rising for Slope.
6、Press the F5 menu selection button to next menu and press the F2 menu selection
button choose AUTO for Coupling.
7、Press the F3 menu selection button choose DC for Coupling. The display in the
screen is as Fig.36.
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