Tektronix CSA8000B Series, Руководство пользователя

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Acquiring Waveforms
3- 12
CSA8000B & TDS8000B User Manual
Overview Control elements and resources To autoset (cont.)
Define 4. Click Define Autoset in the Utilities menu to display
the Autoset properties dialog box. To change the autoset
criteria, select from:
H
Edge to setup the default autoset for instrument to
acquire the waveform data such that the center
20% of the record contains a rising edge.
H
Period to setup the default autoset for instrument
to acquire the waveform data such that the record
contains 2 or 3 periods.
H
NRZ Eye to setup the default autoset for instru-
ment to acquire the waveform data as follows:
H
one bit (two eye crossings) is displayed over
about 7.5 horizontal divisions, centered on the
screen.
H
the high/low values are displayed over about 6
vertical divisions, also centered on screen.
H
RZ Eye Pattern to setup the default autoset for
instrument to acquire the waveform data as follows:
H
three rise/fall edges are displayed over the
center 6 horizontal divisions, with the first
rising edge placed near the 20% horizontal
location (second division).
H
amplitude (the high/low values) is displayed
over the center 5 vertical divisions.
Click OK to set Autoset to use the current criteria. To
execute, push the
Autoset button.
For More
Information
5. For more information on the controls described in this
procedure, push/click the
HELP button in any dialog
box or select Help Contents and Index in the Help
menu.
End of Procedure