Tektronix TDS 200-Series, User Manual

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Operating Basics
TDS 200-Series Digital Oscilloscope User Manual
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TRIGGER MENU. Displays the trigger menu.
SET LEVEL TO 50%. The trigger level is set to the vertical midpoint
between the peaks of the trigger signal.
FORCE TRIGGER. Starts an acquisition regardless of an adequate
trigger signal. This button has no effect if the acquisition is already
stopped.
TRIGGER VIEW. Displays the trigger waveform in place of the channel
waveform while the TRIGGER VIEW button is held down. You can
use this to see how the trigger settings affect the trigger signal, such
as trigger coupling.
Menu and Control Buttons
TDS 210 and TDS 220
TDS 224