516 Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide
33 UART/RS232 Triggering and Serial Decode
6 If the oscilloscope is stopped, press the [Run/Stop] key to acquire and decode
data.
You can use the horizontal Zoom window for easier navigation of the acquired data.
See Also • “Interpreting UART/RS232 Decode" on page 516
• “UART/RS232 Totalizer" on page 517
• “Interpreting UART/RS232 Lister Data" on page 518
• “Searching for UART/RS232 Data in the Lister" on page 518
Interpreting UART/RS232 Decode
• Angled waveforms show an active bus (inside a packet/frame).
• Mid-level blue lines show an idle bus.
• When using 5-8 bit formats, the decoded data is displayed in white (in binary,
hex, or ASCII).
If the setup does not produce a stable trigger, the UART/RS232 signals may be slow enough
that the oscilloscope is AutoTriggering. Press the [Mode/Coupling] key, then press the Mode
softkey to set the trigger mode from Auto to Normal.
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