Rigol DS6000 Series User Manual page 198

RIGOL
8. Interpreting Decoded CAN Data
Data Frame ID: hexadecimal number and is expressed by blue patch.

Data Length Code (DLC): hexadecimal number and is expressed by

chartreuse patch.
Data: displayed in the format specified in Format (can be hex, decimal,

binary or ASCII). It is expressed by green patch. It is expressed by red
patch if the data frame is lost.
Cyclic Redundancy Check (CRC): hexadecimal number. When it is valid, it is

expressed by blue-green patch; when error occurs, it is expressed by red
patch.
Acknowledgement (ACK): when it is valid, it is expressed by green patch;

when error occurs (the detected ACK is 1), it is expressed by red patch.
Data Frame ID
7-20
DLC Data
CRC
7 Protocol Decoding
ACK
DS6000 User's Guide