To Use Delayed Sweep - HP 54616B User And Service Manual

To use delayed sweep

Delayed sweep is a magnified portion of the main sweep. You can use
delayed sweep to locate and horizontally expand part of the main sweep for a
more detailed (high resolution) analysis of signals. The following steps show
you how to use delayed sweep. Notice that the steps are very similar to
operating the delayed sweep in analog oscilloscopes.
Connect a signal to the oscilloscope and obtain a stable display.
1
Press
2
Main/Delayed
Press the Delayed softkey.
3
The screen divides in half. The top half displays the main sweep, and the
bottom half displays an expanded portion of the main sweep. This expanded
portion of the main sweep is called the delayed sweep. The top half also has
two solid vertical lines called markers. These markers show what portion of
the main sweep is expanded in the lower half. The size and position of the
delayed sweep are controlled by the Time/Div and Delay knobs. The
Time/Div next to the
value is displayed for a short time at the bottom of the display.
•
To display the delay value of the delayed time base, either
press
Main/Delayed
•
To change the main sweep Time/Div, you must turn off the delayed sweep.
Delayed sweep operating hint
When in delayed sweep, the displayed sample rate applies to the main sweep.
The delayed sweep sample rate is always equal to or greater than the main
sweep sample rate. Main and delayed sweeps are obtained in alternate
acquistions.
Single sweep in delayed mode acquires on trigger for main and one trigger for
delayed.
.
symbol is the delayed sweep sec/div. The delay
or turn the Delay knob.
Operating Your Oscilloscope
To use delayed sweep
2–3