RIGOL  Chapter 7 Protocol Decoding 
7-20    DS2000E User’s Guide 
  Data: its display format depends on the format specified in Format (hex, 
decimal, binary or ASCII). It is expressed by green patch. If the data frame 
is lost, it will be expressed by red patch.  
  CRC (Cyclic Redundancy Check): displayed as hexadecimal number. It is 
expressed by turquoise patch when valid and by red patch when error 
occurs. 
  ACK (Acknowledgement): it is expressed by green patch when valid and by 
red patch when error occurs (the detected ACK is 1). 
 
 
 
Figure 7-15 Decoded CAN Data Interpretation
Frame ID    DLC           Data       CRC    ACK