Roll mode is not a button- or menu-selected mode, but is present when the trigger mode is Auto and the horizontal scale
and record lengths are set as follows:
Table 5: Roll mode is enabled when:
Horizontal scale setting
40 ms/div
400 ms/div
Roll mode tips
Push Run/Stop to halt Roll mode.
•
•
Roll mode is disabled under the following conditions:
•
When using Reference, Math, or FFT waveforms
•
Using the Zoom and Search function
•
Taking measurements (Measure menu)
•
When trigger mode is changed to Normal
•
When horizontal scale is set to 40 ms/division or higher (for 5 M record lengths, this is limited to 400 ms/division or
higher)
Note: The Average acquisition mode is unavailable when you are using Roll mode.
Setting the oscilloscope to factory default values - Default Setup
Default Setup clears the current oscilloscope settings and loads factory-defined settings. This lets you quickly reset the
oscilloscope to a known state before setting up to take a new measurement.
See
Setting the oscilloscope to factory default values - Default Setup
To return the oscilloscope to its factory default settings:
Push Default Setup.
TBS2000B Series Oscilloscopes User Manual
Record length (number of samples)
1000, 2000, 20k, 200k, 2M
5M
on page 73.
Acquisition setup
73
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