Tektronix TDS1000B Series Operator's Manual page 257

3. In the VERTICAL section, turn the CH1 POSITION knob
to shift the waveform to the lower part of the display.
Notice that all except the last waveform acquisition dots
disappear from the display.
You will see a waveform similar to that shown in Figure 6.7.
Figure 6.7: A noisy signal with the final waveform acquisition
TDS1000B and TDS2000B Series Oscilloscopes – Operator Training Kit
Using Menu Function Controls
dots displayed
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