Analyze Waveforms
key) to move the
waveform to the right or left of the screen. The position bar
shows the position of the zoomed part in relation to the total waveform.
Observe that the bottom of the waveform area displays the zoom ratio, position
bar, and time/div. The zoom range depends on the amount of data samples stored
in memory. (See Figure 27.)
Figure 27: Zooming in on a Waveform
NOTE. To turn off the Zoom function, select OFF under the ZOOM item of the
menu.
Use Cursors
Cursors allow you to make precise digital measurements on waveforms . This can
be done on live waveforms, recorded waveforms, and on saved waveforms.
Use Horizon tal Cursors on
a Waveform
To use the cursors for a voltage measurement, do the following:
1. Press the Cursors button
2. Select the = cursors. The cursor type options are:
׀ : Single vertical cursor
׀׀ : Two vertical cursors
= : Two horizontal cursors
54 THS3000 Series Oscilloscopes User Manual
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