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Push F1 to select Video for the Type option.
2.
3.
Push the Source option button to select CH1; push the Polarity option button to select
Normal; push the Standard option button to select NTSC; push the Sync option button to
select Line Number.
4.
Turn the Trigger Level knob to adjust the trigger level and stabilize video signals.
5.
Turn V0 to adjust the line number (NTSC: 0-525 lines).
6.
Turn the horizontal SEC/DIV and the vertical VOLTS/DIV knobs to display on the screen a
complete video signal triggering on a video line. See the figure below.
6.8 Example 8: Using Slope Trigger to Capture Particular
Slope Signal
In many occasions, we are not only concerned about the edge of the signal, but also want to
know the rise and fall times of the signal. To better observe this kind of signals, we bring in the
slope trigger. Follow the steps below.
1.
Push the TRIG MENU button to see the Trigger menu.
Push F1 to select Slope for the Type option.
2.
3.
Push the Source option button to select CH1; push the Slope option button to select Rising;
push the Mode option button to select Auto; push the Coupling option button to select DC.
4.
Click the 'Next Page' button and select Vertical. Turn the V0 knob to adjust V1 and V2 to
proper locations. Select the When option button and set it to '='.
5.
Select 'Time' and turn V0 to adjust the time until you get a stable display of waveforms. See
DSO5000 Series Digital Storage Oscilloscope User Manual
Application Examples
61
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