
User Manual of PDS Series Oscilloscope
35
Single
Acquire data and display waveform when detecting
a trigger and 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
Set interval by using TRIG LEVEL control, value
range from 100ns to10s.
Holdoff
Reset
Reset hold time to default value (100ns).
Holdoff:
A time interval before the oscilloscope responses to next trigger signal.
During this Holdoff period, the trigger system becomes “blind” to trigger signals. This
function helps to view complex signals such as an AM waveform. Press Function next
to Holdoff to activate and use “TRIG LEVEL” knob to set time for Holdoff.
Set up a Rising/Falling for edge trigger
Applying Sine Waveform to CH1:
1.
Press the TRIG MENU button c the trigger menu.
2.
Press
F1
next to Type and select Edge.
3.
Press the
F2
next to Channel and choose CH1 for Source.
4.
Press the
F3
next to Slope to choose Rising.
5.
Press the
F4
next to Mode to choose Auto.
6.
Press
F5
to go down next.
7.
Press
F2
next to Coupling and choose DC. You now have waveform displayed as
Fig.31.
8.
Press
F3
next to Holdoff and use “TRIG LEVEL” knob to set time.