Tektronix TDS5054, Руководство пользователя

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Acquiring Waveforms
TDS5000 Series User Manual
3- 29
Overview Control elements and resources To set roll mode
Enable single
sequence roll
mode
4. Push the SINGLE button to start and acquire enough
waveforms to satisfy the acquisition mode. The
acquisition mode must be either Sample or Peak Detect.
Turn off roll
mode
acquisitions
5. To stop acquisitions in roll mode:
H
If you are not in Single Sequence, push RUN/
STOP to stop roll mode.
H
If you are in Single Sequence, roll mode acquisi-
tions stop automatically when a complete record is
acquired.
Disable roll
mode
6. Click the Horiz button bar button to open the Horizontal/
Acquisition Setup control window. Select the Acquisition
tab.
7. Click Roll Mode Off to disable roll mode NEEDS
PICTURE . Roll mode is also disabled when you set the
horizontal scale to 200 ms per division or faster. At
record lengths greater than 500 points, the time per
division to turn off roll mode becomes slower.
Note:
Switching to Envelope or Average acquisition
mode will also turn off roll mode.
Acquisition Control Background
This section contains background information on the data sampling and
acquisition process that can help you more effectively set up the acquisition
window of each channel. This section describes:
H
The acquisition hardware.
H
The sampling process, sampling modes, and the waveform record.
H
Both the normal and Fast Acquisitions acquisition cycles.