Trigger Functions
5. Exit the menu.
Trigger on Ed ges
If the signal is unstable, complex, or has a very low frequency, use edge triggering
to obtain ful
l manual trigger control. To trigger on the rising edge of the Ch 1
waveform, do the following:
1. Press the Trigger button.
2. Select TRIGGER O PTIONS.
3. Select Trigger Conditions.
4. Select one of the following. In most cases, it is advised to use the Auto mode:
Auto: the instrument will update the screen even if there are no triggers.
A trace always appears on the screen.
Normal: the instrument needs a trigger to display a waveform. Use this
mode to update the screen only when valid triggers occur.
Single Shot: the instrument waits for a trigger. After receiving a trigger,
the waveform is displayed and the instrument stops acquisition until the
Single button or Run/Stop button is p ressed. The single shot trigger is
enabledbypressingtheSingle button or from the Trigger > TRIGGER
OPTIONS > Trigger Conditions menu.
5. Select Off for the Trigger Filter and press the Enter button.
6. The menu that now appears at the bottom of the display screen allows you to
select specific edge trigger settings: trigger channel, slope, and level. Adjust
these settings as desired.
THS3000 Series Oscilloscopes User Manual 65
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