TB 9-6625-2117-24
POSITION control to align first time marker on first
(4) Adjust horizontal
vertical graticule line and rotate oscilloscope calibrator knob located below EDIT FIELD
pushbutton to align 1 marker per division on TI. If TI does not display 1 marker per
division, perform b (2) and (3) below.
(5) Change oscilloscope calibrator output to 5 mS/D.
POSITION control to align middle time marker on center
(6) Adjust horizontal
vertical graticule line.
(7) Push and turn TIME/DIV MAG switch to 20 s.
POSITION control to align leading edge of marker on
(8) Adjust horizontal
center graticule line.
(9) Push and turn TIME/DIV MAG switch to 1 ms. If middle time marker does not
remain within 1 major division, perform b (4) below.
b. Adjustments
(1) Adjust SWEEP CAL R727 (fig. 2) for 11 ms as displayed by 12 time markers.
(2) Adjust oscilloscope calibrator for 0 on err readout.
(3) Adjust HORIZONTAL GAIN R817 (fig. 2) for marker per division (R).
Figure 2. Adjustment locations - top view.
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