Specifications

2
Press
Time
.
The first softkey menu appears with frequency, period, and duty cycle
measurement choices.
Source
selects channel 1 or 2 for the time measurement.
Time Measurements
include frequency, period, and duty cycle. These
measurements are made at the 50% levels.
Clear Meas
(clear measurement) erases the measurement results and
removes the cursors from the display.
Next Menu
displays the next softkey menu with additional time
measurement choices.
3
Press the
Next Menu
softkey.
Another menu appears with positive and negative pulse width, and rise time
and fall time measurement choices.
Show Meas
(show measurement) places the horizontal and vertical
cursors to show where the measurement was taken.
Time Measurements
include positive width, negative width, rise time,
and fall time. Pulse width measurements are made at the 50% levels.
Rise time and fall time measurements are made at the 10% to 90%
levels, and
apply only to the analog channels (not the digital
channels on HP 54645D)
.
Previous Menu
Returns to the previous softkey menu.
Making Measurements with HP 54645A/D Oscilloscopes
To make time measurements automatically
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