7–4
Timebase Modes and Setup
segments of a sequence waveform using the full precision of the
acquisition timebase.
Trigger-time stamps are given for each of the segments in the
“Text & Times Status” menu. Each individual segment can be
displayed by Zoom, or used as input to the MATH functions.
Sequence Mode can be used in remote operation to take full
advantage of the scope’s high data-transmission capability:
overlapping transmission of one waveform with its successor’s
acquisition (see the Remote Control Manual for details).
The timebase setting in Sequence Mode is used to determine
the acquisition duration of each segment, which will be 10 x
TIME/DIV.
Timebase setting, desired number of segments, maximum
segment length and total available memory are used to
determine the actual number of samples/segment and
time/point. The display of the complete waveform with all its
segments may not entirely fill the screen.
Sequence Mode is normally for acquiring the desired number of
segments and terminating the waveform acquisition. It can also
be used to acquire the segments continuously, overwriting the
oldest ones as needed, with a manual STOP order or timeout
condition being used to terminate the waveform acquisition.
The ADCs can be interleaved to boost standard sampling rate
and record length considerably.
When channels are combined on two-channel models, both
channels are paired on Channel 2, while Channel 1 is disabled.
On four-channel models, the two pairs of channels are enabled
on Channels 2 and 3, while Channels 1 and 4 are disabled. Both
maximum sampling rate and record length are doubled using
this function, activated by menu selection (see page 7–9).
On fast timebases it is even possible to again double the
sampling rate by means of a special adapter. With this adapter
in place, the oscilloscope interleaves the four ADCs and the
acquisition memory to achieve the maximum sampling rate and
up to four times the initial record length (see Appendix A for
details).
Combining Channels
NOT AVAILABLE WITH
9304C, 9310C, 9314C
SERIES
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