Rigol MSO4000 Series User Manual page 245

Chapter 8 Protocol Decoding
MSO4000/DS4000 User's Guide
800.544.2843
(00000100, LSB)
The check bit detected is 1
After the decoder is set to none check, the decoding shows no error.
End of Frame Error

This error is generated when the end condition of the frame is not met. For
example, when the Stop Bit is set to 1.5, an end of frame error as shown in
the figure below occurs if the actual stop bits is less than 1.5 bits.
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15
10 20
5 25
0 30
The stop bits detected is less than 1.5 bits
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