3 Displaying Waveforms
72 InfiniiVision 7000B Series Oscilloscopes User’s Guide
To turn on (or off) Zoom:
1 Press the zoom key (or press the [Horiz] key and then the Zoom
softkey).
The area of the normal display that is expanded is outlined with a box
and the rest of the normal display is lightened. The box shows the portion
of the normal sweep that is expanded in the lower half.
To change the sweep speed for the Zoom window, turn the horizontal
scale (sweep speed) knob. As you turn the knob, the sweep speed is
highlighted in the status line above the waveform display area. The
Horizontal scale (sweep speed) knob controls the size of the box.
Time/div for
normal
sweep
Time/div for
Zoom window
Delay time
momentarily displays
when the Horizontal
Position knob is turned
Select Zoom
Zoom
window
Normal
sweep
window
These markers define the
beginning and end of the
Zoom window
Signal
anomaly
expanded
in zoom
window
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