User Manual

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Figure 76: UART TRIG SET menu
7. Press the Source Type softkey to select TX or RX.
8. Press the Condition softkey and set up the desired trigger condition:
 Start - The oscilloscope triggers when a start bit occurs.
 Stop - The oscilloscope triggers when a stop bit occurs on RX.
 Data - The oscilloscope triggers on a data byte that you specify. For use when the device
under test data words are from 5 to 8 bits in length
a. Press the Compare Type softkey and choose an equality qualifier. You can choose
equal to, less than, or greater than a specific data value.
b. Use the Value softkey to choose the data value for your trigger comparison. This
works in conjunction with the Compare Type softkey. The range of the Value is 0x00
to 0xff.
 Error - The oscilloscope triggers when a parity error.
Figure 77 - UART trigger
CAN Triggering
To set up the oscilloscope to capture a CAN signal: