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User Manual 75
DropOut Trigger
DropOut trigger includes two types: edge and state.
Edge
Trigger when the time interval (
△
T) from when the rising edge (or falling edge) of the input
signal passes through the trigger level to when the adjacent rising edge (or falling edge)
passes through the trigger level is greater than the timeout time set, as shown in the figure
below.
Trigger Trigger
State
Trigger when the time interval (
△
T) from when the rising edge (or falling edge) of the input
signal passes through the trigger level to when the adjacent falling edge (or rising edge)
passes through the trigger level is greater than the timeout time set, as shown in the figure
below.
Trigger Trigger
To set edge DropOut trigger:
1. Press the Setup button on the front panel to enter the TRIGGER system function
menu.
2. Press the Type softkey; then use 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. The current trigger source is displayed at the upper right corner of the
screen. Select channel with signal input as trigger source to obtain stable trigger.
4. Press the Slope softkey to select rising or falling edge.
5. Press the OverTime Type softkey to select Edge .
6. Press the Time softkey; turn the universal to select the desired value.