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The Marker Menu
Va to Vb Field
Va to Vb Field
This field displays the difference between the Va and Vb markers. This value
is dependent on channel selections and represents Vb minus Va.
Center Screen Field
The Center Screen field appears on the right side of the Marker menu. The
Center Screen field is used to modify the horizontal (time base) position of
the waveform display.
When you select the Center Screen field, a pop-up menu appears that lets
you chose a time marker for use as the center point of the display. You also
have the option of canceling the center screen function.
If time markers are turned off, the only marker choice available on the
Center screen pop-up will be the trigger marker. If time markers are turned
on, the Tx and To markers will also appear in the Center Screen pop-up
menu. If the auto time markers are enabled, only the trigger marker appears
in the Center Screen pop-up menu.
Selecting one of the possible time markers for centering the waveform data
will cause the time base delay value to be changed such that the selected
marker is positioned at the center of the screen. All acquisition channels are
shifted when the trace data is centered. The time base delay field value will
be updated when the centering operation is performed.
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