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Users Manual
38
Zooming in on a Waveform
To obtain a more detailed view of a waveform, you can
zoom in on a waveform using the
ZOOM function.
To zoom in on a waveform, do the following:
1 Display the ZOOM key labels.
Observe that the trace is frozen,
HOLD appears at the top of the
screen, and the waveform is
magnified.
2 Enlarge (decrease the time/div)
or shrink (increase the time/div)
the waveform.
3 Scroll. A position bar displays the
position of the zoomed part in
relation to the total waveform.
Tip
Even when the key labels are not displayed at
the bottom of the screen, you can still use the
arrow keys to zoom in and out.
Figure 22. Zooming in a Waveform
Observe that the bottom of the waveform area displays
the zoom ratio, position bar, and time/div (see Figure 22).
The zoom range depends on the amount of data samples
stored in memory.
From this point you can use the cursor function for further
measurements on the waveform.