TDS 420A, TDS 430A, TDS 460A & TDS 510A User Manual
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Selecting Channels
The digitizing oscilloscope applies all waveform-specific activities, such as
measurements or vertical scale and position, to the selected channel. You can
select a channel waveform, a math waveform, or a reference waveform. This
section describes how to select a waveform and how you can turn the display of
a waveform off.
To Identify the Selected Channel
To determine which channel is currently selected, check the channel readout. It
shows the selected channel in inverse video in the lower left corner of the
display. The channel reference indicator for the selected channel also appears in
reverse video along the left side of the display. See Figure 3–59.
Channel Readout
Channel Reference Indicator
Figure 3–59: The Channel Readout
To Select and Remove Waveforms
To select a channel, use the channel selection buttons on the right of the display.
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