Tektronix TPS2012B, User Manual

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Operating Basics
Trigger Controls
2-channel
model 4-channel model
Level.
When you use an Edge or Pulse trigger, the Trigger Level knob sets the
amplitude level that the signal must cross to acquire a waveform.
Trig Menu. Displays the Trigger Menu.
Set to 50%.
The trigger level is set to the vertical midpoint between the peaks of
the trigger signal.
Force Trig.
Completes an acquisition regardless of an adequate trigger signal.
This button has no effect if the acquisition is already stopped.
Trig View.
Displays the trigger waveform in place of the channel waveform while
you hold down the Trig View button. Use this to see how the trigger settings
affect the trigger signal, such as trigger coupling.
Menu and Control Buttons
Multipurpose knob
TPS2000B Series Digital Oscilloscope User Manual 23