Analyzing Wavef
orms
Reference Levels
Reference lev
els determine how time-related
measurements are taken.
1. Select Measure > Reference Levels....
2. Adjust the m easurement reference l evels
to different relative or absolute values.
High and Low references are used
to calculate
rise and fall times. The
default High reference is 90% and
Low reference is 10%.
Mid reference is primarily used for
measureme
nts between edges such
as pulse widths. The default level is
50%.
Mid2 reference is used on the second
waveform s
pecified in delay or phase
measurements. The default level is
50%.
Quick Ti
ps
To ensure accurate noise values, b e sure to s et the signal type to Eye w hen measuring an Eye signal.
Taking Cursor Measurements
Use cur
sors to taking measurements on acquired data.
1. Push Cursors.
88 DPO7000 Series and DPO /DS A70000/B Series Quick Start User Manual