Operating Information
2-10
TDS 420A, TDS 430A & TDS 460A Service Manual
2. Select the waveform source(s). Position, scale, and set trigger level for
waveform source(s) directly from the front-panel. (Note that parentheses-en-
closed numbers appear within the following steps. Each number refers to the
control(s) labeled with the same number in the figure that precedes the step.)
12
5
6
4
8
7
3
a. Input waveforms into these channels (7). Example: CH 1.
b. Push any channel button (8) to display its waveform. The last channel
selected determines which waveform is positioned and scaled. The
indicator above the channel last selected is lighted. Example: Push
CH 1; then CH 2.
c. Vertically (1) and horizontally (2) scale and position the waveform(s)
selected. Example: Set the scale to 100 mV/div, and center the waveform
on screen.
d. Stop and start acquiring waveforms (3). Example: Push RUN/STOP if
not acquiring.
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