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TDS 620A, 640A & 644A User Manual
3Ć15
Cursor Measurements
Use the cursors to measure the difference (either in time or voltage) beĆ
tween two locations in a waveform record.
Cursors are made up of two markers that you position with the general
purpose knob. You move one cursor independently or both cursors in
tandem, depending on the cursor mode. As you position the cursors, readĆ
outs on the display report measurement information.
There are three cursor types: horizontal bar, vertical bar, and paired (FigĆ
ure 3Ć8).
Horizontal bar cursors measure vertical parameters (typically volts).
Vertical bar cursors measure horizontal parameters (typically time or freĆ
quency).
Horizontal Bar Cursors Vertical Bar Cursors
Paired Cursors
Figure 3Ć8:ăCursor Types
Paired cursors measure both vertical parameters (typically volts) and horiĆ
zontal parameters (typically time) simultaneously.
Look at Figure 3Ć8. Note that each of the two paired cursors has a long
vertical bar paired with an X. The Xs measures vertical parameters (typically
volts); the long vertical bars measure horizontal parameters (typically time or
frequency). (See Cursor Readouts on page 3Ć16 for more information.)
Description