Operating Basics
70 TDS5000B Series Quick Start User Manual
Reference Levels
Reference levels determine how
time-related measurements are taken.
1. Select M easure > Reference Lev-
els...
2. Adjust the measurement refer-
ence levels to different relative or
fixed values.
H High and Low reference are
used to calculate rise and fall
times. The default High
reference is 90% and Low
reference is 10%.
H Mid reference is primarily
used for measurements
between edges such as pulse
widths. The default level is
50%.
H Mid2 reference is used on
the second waveform
specified in delay or phase
measurements. The default
level is 50%.
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