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Chapter 12 Serial Bus Trigger and Decode (Optional)
259
⚫ ARINC 429 serial decode
The measured signal source is CH1, the decode format is LABEL+DATA, the display is in hexadecimal, the
baud rate is 12.5kb/s, and the trigger mode is LABEL, operate as follows:
(1) Tap S1 to open the decode channel, and click S1 again to open the bus configuration menu;
Select bus type “429”, source as “CH1”, decode format as “LABEL+DATA”, display in “hexadecimal”,
baud rate as 12.5kb/s.
(2) Open the trigger setting menu, select the trigger type as bus trigger, S1-ARINC429, the trigger mode is
LABEL, and enter LABEL as “106” on virtual keyboard.
Adjust High trigger threshold level and Low trigger threshold level according to signal amplitude; and
ARINC429 trigger graphic interface is shown in Figure 12-28:
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