PeakTech 1190 Bedienungsanleitung Seite 178

1. Edge trigger:
make a channel as trigger source and set rising edge, falling edge or either edge as trigger condition to
generate trigger. Edge trigger menu refer to Fig. 76.
Edge trigger function menu as below:
Function
Source CH00～CH0F
Rising
Slope Falling
Either
For example: to measure a 3 lines SPI signal which includes enable, clock and data. The data get into
effective when enable is low voltage. We use CH00, CH01, CH02 to measure the data, CH00 to measure
enable signal, CH01 and CH02 to measure clock and data. Trigger setting steps as below:
1. Press "Trigger menu" and menu appears.
2. Press "F1" till trigger mode display as "Edge".
3. Press "F2" till source display as "CH00"
4. Press "F3" till type display as "Falling".
Then trigger setting is finished (refer to Fig. 77) and ready for data acquisition.
Fig. 76 Edge trigger menu
Settings Instructions
CH00-CH0F can be set as trigger resource
Trigger on the rising edge.
Trigger on the falling edge.
Trigger either on rising edge or falling edge.
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