Trigger Controls
3–50
TDS3000 Series User Manual
Force Trigger
Push the FORCE TRIG button to force an immediate trigger event,
even in the absence of a signal. This function is useful in these
situations:
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, you can push the FORCE TRIG button to do a
practice acquisition to verify the control settings.
B Trigger
To use the B trigger, the A trigger type must be Edge. Push the
trigger MENU and B TRIG buttons to show the B-trigger menu and
to activate triggering using both the A and B triggers. The light next
to the B TRIG button indicates B trigger is active. Push the B TRIG
button again to return to the single A trigger.
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