TB 9-6625-2142-40
Figure 3. Sampling unit - left side view.
(4) Adjust DELAY control fully ccw.
(5) Adjust sampling sweep unit TIME POSITION control to align a convenient
point of displayed waveform with 2d vertical graticule line.
(6) Adjust DELAY control fully cw. Displayed waveform will shift to the right on crt
display at least 10 ns (5 major divisions).
b. Adjustments. No further adjustments can be made.
10. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
CALIBRATION PROCESS FOR SAMPLING SWEEP UNIT TD-11 61/U
(TEKTRONIX, TYPES 7T11 AND 7T11 A)
11. Preliminary Instructions
a. The instructions outlined in paragraphs 11 and 12 are preparatory to the calibration
process. Personnel should become familiar with the entire bulletin before beginning the
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in table 2.
