Rigol MSQ7054 User Manual page 243

Chapter 11 Protocol Decoding
Checksum Error

If the checksum error is detected, CRC is displayed in red, as shown in the
figure below.
Sync Error

If the sync error is detected, SYNC is displayed in red, as shown in the
figure below.
MSO7000/DS7000 User Guide
Parity Error
Checksum Error
RIGOL
11-27