Reference
Trigger level marke r
Trigger level reado
ut
Set to 50%
Push the Set To 50% button to set the trigger level to the 50% amplitude
level of the trigger source waveform.
Force Trigger
Push the Force Trig b utton to force an i mm ediate trigger event, even in
the absence of a signal. This function is u seful in these situati ons:
If you do not see a waveform on the screen when using Normal
trigger mode, push Force Trig to acquire the signal baseline to
verify that it is on the screen.
After you push the Single Seq button to set up for a single shot
acquisition, yo u can push the Force Trig butto n to do a practice
acquisition to verify the control setting s.
110 TDS3000C Series Oscilloscope User Manual
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