Quantum Data 881 - Manual (Page 515)

881/882 Video Test Generator User Guide (Rev A.22) 497
The trace above shows the timestamps in Cumulative mode which shows the time
stamps from the beginning of the trace. To view the time differences between a
reference record and any other record you can use the Delta time feature by clicking on
the activation button on the upper right. An ACA with the Delta time selected is shown
below: