Calculating CRCs or FCSs
The cyclic redundancy check (CRC) is a function on the Event Display window used to produce a checksum. The frame check sequence (FCS) are the extra checksum characters added to a frame to detect errors.
- Open the Event
Display
window. - Click and drag to select the data for which you want to generate a CRC.
-
Click on the
CRC icon 
. - In the CRC dialog box, click on the down arrow to show the list of choices for CRC algorithms..
- Enter a Seed value in hexadecimal if desired.
- Click OK to generate
the CRC. It
appears in the byte information lines at the bottom of the Event Display
window. Whenever
you select a range of data, a CRC is calculated automatically.