TB 9-6625-2083-24
(23) Press HORIZ DISPLAY B DLY'D pushbutton and repeat technique of (22)
above for B TIME/DIV switch settings listed in table 19. Oscilloscope calibrator Err
display readout will be within limits specified in table 19.
Table 19. A and B Timing
Test instrument
Oscilloscope calibrator
A AND B TIME/DIV
MARKER mode
Err display
setting
output
indication limits (%)
0.02 s
20 ns
2
0.05 s
50 ns
2
0.1 s
0.1 s
2
0.2 s
0.2 s
2
0.5 s
0.5 s
2
s
s
1
1
2
s
s
2
2
2
s
s
5
5
2
s
s
10
10
2
s
s
20
20
2
s
s
50
50
2
0.1 ms
0.1 ms
2
0.2 ms
0.2 ms
2
0.5 ms
0.5 ms
2
1
ms
1 ms
2
2
ms
2 ms
2
5
ms
5 ms
2
1
10
ms
10 ms
2
20
ms
20 ms
2
50
ms
50 ms
2
0.1 s 2
0.1 s
2
2
0.2 s
0.2 s
2
2
0.5 s
0.5 s
2
1Press
A TRIG MODE NORM pushbutton.
2A sweep only.
b. Adjustments
(1) Adjust R970 B SWP START (fig. 12) so that intensified portion of A sweep
begins at start of 2d time marker, and pulse displayed on B DLY'D sweep starts at
beginning of sweep (R).
(2) Adjust R173 A SWP CAL (fig. 13) so that intensified portion of A sweep begins
at start of 10th time marker, and pulse displayed on B DLY'D trace starts at beginning of
sweep (R).
NOTE
Interaction exists between R970 B SWP START (fig. 12) and
R173 A SWP CAL (fig. 13). Repeat as necessary until no
further improvement is observed.
(3) Rotate oscilloscope calibrator knob located below EDIT FIELD pushbutton for
an Err display of 0.0%. Adjust R572 X1 GAIN (fig. 12) for exactly one time marker per
division (R).
44