102
The next screen shows the TDR trace after offset.
The vertical offset function affects all modes except 
Memory.
that is out of viewing range or until one of the display 
controls is changed. This is demonstrated below. The 
first screen shows the TDR trace before vertical offset.
Event Recognition
“Events” are the “dips” and “peaks” seen on the 
screen caused by faults or changes in the pair.