7. Push the Level side-menu button and use the Multipurpose knob to select
and click the trigger level entry method:
■
Click Level and use the Multipurpose knob to manually set the trigger
level.
■
Click Choose Preset and use the Multipurpose knob to set the trigger
level to a predefined signal logic family level (TTL, CMOS, ECL, and so
on) or to 0.
■
Click Set to 50% to set the trigger level to 50% of the signal peak-to-
peak level.
NOTE. You can use the Trigger Level knob to immediately change the trigger
level and momentarily display a long horizontal line (or two lines for a runt
trigger) across the waveform to show the trigger level(s) in relation to the
waveform.
Push the Trigger Level knob to immediately set the trigger to 50% of the signal
peak-to-peak level.
Trigger setup
TBS2000B Series Oscilloscopes User Manual 61
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