TB 9-6625-2294-24
(a) Adjust REF OR DLY POS and
controls, as necessary, to intensify
indicated time markers on the A sweep and superimpose displayed B sweep time markers
within specified limits.
(b) Press and release upper TRIGGER COUPLING pushbutton.
Table 20. Timing (CAL 01 Steps 7 Through 16)
Test instrument
Oscilloscope
Test instrument
calibrator
superimposed
t
d
MARKER
displayed B sweep
Displayed
REF
output settings
ivision
step number
time marker
ime marker
S/D
7
2
10
0.2
1
S/D
8
2
10
0.2
2
S/D
91
4
28
1.2
2
S/D
10
2
10
0.2
10
S/D
11
2
10
0.2
50
S/D
121
4
28
1.2
50
S/D
13
2
10
0.2
0.5
S/D
141
4
29
1.2
0.5
32
15
19
50
nS/D
0.2
22
16
10
20
nS/D
0.1
1If
control is adjusted at step 9, 12, or 14 the previous step will be repeated.
2Intensifies
starts on indicated time marker and may cover more than 1 time marker.
, (step)
(32) After completion of step 16 of table 20, TI display will indicate: ADJ
17, 1 s.
(33) Adjust TRACE SEP control fully cw.
(34) Connect oscilloscope calibrator SOURCE/MEASURE CHAN 1 to TI CH 1 and
oscilloscope Vertical 1 input.
(35) Connect TI B GATE OUT (rear panel) to oscilloscope Vertical 2 input.
(36) Set oscilloscope controls as listed in (a) through (c) below.
(a) Vertical 1 and 2 Coupling to DC, Input to 50 , and Vertical 1 on.
(positive).
(b) Trigger Source to 2 and Trigger Slope to
(c) Sweep speed to 20 ns
(37) Set oscilloscope calibrator MARKER output to 1 S/D.
(38) Adjust TI control for 8 time markers over center 8 major divisions of TI display.
(39) Adjust TI
control to superimpose time markers on oscilloscope within 0.2
division.
(40) Press and release upper TRIGGER COUPLING pushbutton. Display readout
will indicate: ADJ , (step 18) 1 s.
(41) Repeat technique of (37) through (40) for setting listed in table 21. Each time
upper TRIGGER COUPLING pushbutton is pressed in (40) above) the TI display will
indicate next step listed in table 21 unless noted.
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