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Reference
Selecting Channels
The
selected channel
is the channel that the digitizing oscilloscope applies all
waveform-specific activities to (such as measurements or vertical scale and
position).
The channel readout shows the selected channel in inverse video in the lower
left corner of the display. The channel reference indicator for the selected
channel appears along the left side of the display. See Figure 3-71.
Channel Readout
Channel Reference
Indicator
Figure 3-71: The Channel Readout
Selecting channels on the TDS 600A series oscilloscopes is straightforward
and easy.
The
channel selection
buttons are on the right of the display and are labeled
CH 1, CH 2, CH 3 (AUX 1 on the TDS 620A & TDS 524A), CH 4 (AUX 2 on
the TDS 620A & TDS 524A), and MORE. They determine which channel is
selected. The MORE button allows you to select internally stored
Math
and
Ref
waveforms for display and manipulation.
The selected channel is indicated by the lighted LED above each button.
Channel Readout
and Reference
Indicator
Channel Selection
Buttons