Tektronix 2221A - Displaying Signals; Positioning the Acquisition Record

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Positioning the Acquisition Record
The acquisition record can be positioned relative to the trigger point. Press
ing the Acquisition button labeled TRIG POS moves the trigger point indica
tor (“T”) to select three different views of the record;
* Pretrigger {Figure 3-15)
* Midtrigger {Figure 3-16)
■ Posttrigger {Figure 3-17)
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I0U | TR
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Figure 3-15: Pretrigger Acquisition
Figure 3-16: Midtrigger Acquisition
2221A User Manual
3-17