User Manual

SIGLENT
User Manual 73
Figure 31 State DropOut Trigger
Runt Trigger
The Runt trigger looks for pulses that cross one threshold but not another as shown in the
picture below.
Positive runt pulse
High level
Low level
Negative runt pulse
A positive runt pulse across through a lower threshold but not an upper threshold.
A negative runt pulse across through an upper threshold but not a lower threshold.
To trigger on runt pulse:
1. Press the Setup button on the front panel to enter the TRIGGER system function
menu.
2. Press the Type softkey; then turn the Universal Knob to select DropOut and push
down the knob to confirm.
3. Press the Source softkey; turn the Universal Knob to select CH1 or CH2 as the
trigger source.
4. Press the Polarity softkey to select Positive or Negative pulse to trigger.