User manual

RIGOL Chapter 2 Front Panel Operations
2-28 DP800A User’s Guide
Trigger Input
When signal that meets the current trigger type is input on the specified data line,
the specified source under control will turn on the output, turn off the output or
toggle the output state according to the setting in output response.
Press  Trigger  Trig to select “In” to enter the interface as shown in
Figure 2-9.
1. Data Line
Press Data Line to select D0, D1, D2 or D3 and the data line currently selected
will be highlighted in the screen. Users can set the trigger conditions of the four
data lines respectively.
2. Source under Control
Press Ctrled Src to select one or more channels as the source under control.
3. Trigger Type
Press Trig Type to select to trigger on the rising edge, falling edge, high level or
low level of the input signal.
4. Output Response
Press Outp Resp to set the output response type.
 Output On: when the trigger condition is met, turn on the output of the
channel currently selected as the source under control.
 Output Off: when the trigger condition is met, turn off the output of the
channel currently selected as the source under control.
 Output Toggle: when the trigger condition is met, toggle the output state of
the channel currently selected as the source under control.
5. Sensitivity
Press Sensitivity to set the sensitivity to high, middle or low. Selecting
relatively lower trigger sensitivity can avoid mis-trigger at the noise.
6. Enable
Press Enable to enable or disable the trigger input. When it is enabled, the
instrument triggers when the input signal meets the trigger condition set.