Delay Field - HP 16534A User Reference

Time Base Functions

Delay Field

Delay Field
The Delay field allows you to set the horizontal position of the displayed
waveform in relation to the trigger. Delay time is measured in seconds.
Setting Horizontal Position
Delay time zero is always at the trigger point of the waveform. A delay time
value is the time difference measured from before or after the trigger point
on the waveform (delay time zero), to the center point of the screen. In
other words, delay time is always measured from the trigger point on the
waveform to the center of the screen. The vertical dotted red line on the
screen is the trigger point. When delay time is zero, the trigger point will be
at the center of the screen.
If you have a multi-card oscilloscope configuration, the Delay field is set on
the master card. All other cards in the multi-card module will use the same
Delay setting as the master card.
When you select the Delay field, delay time can be changed by turning the
knob. Remember that the trigger point is always delay time zero and is
marked by the vertical dotted red line. When you set the delay such that the
trigger point is on the right side of the screen, delay time is negative. What
you will see at the center of the screen will be the result of samples taken
before the trigger point. They have occurred in what is referred to as
negative time.
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