TB 9-6625-2240-35
(11) Use technique of (12) and (13) below for TI TIME/DIV switch settings and
oscilloscope calibrator MARKER settings listed in table 8. Perform adjustments as needed
(12) Adjust horizontal POSITION control to align 1st time marker with 1st graticule
line.
(13) Rotate oscilloscope calibrator knob located below EDIT FIELD pushbutton to
obtain 1 marker per division on TI. Oscilloscope calibrator err display will indicate within
b. Adjustments
(1) Set oscilloscope calibrator MARKER output to .1 ms. Press oscilloscope
calibrator OPR/STBY pushbutton for OPR indication on oscilloscope calibrator display and
adjust R1155 (fig. 3) for 1 marker per division (R).
NOTE
Interaction exists between C1233, C1253, and C1179 (fig. 3).
Adjust for best in-tolerance condition.
(2) Adjust C1233 and C1253 (fig. 3) in equal amounts until TI displays 1 marker per
division (R).
(3) Set oscilloscope calibrator MARKER output to 20 ns. Adjust C1179 (fig. 3) for 1
marker per division (R).
Oscilloscope
calibrator err
Oscilloscope calibrator
Test instrument
MARKER
TIME/DIV
display limits
Test instrument
output settings
switch settings
adjustments
(%)
1
b(3)
s
.02 s
.02
10
ns
1
s
.01
50
ns
1
s
.05
1
s
s
.2
.2
1
s
s
.5
.5
1
s
s
1
1
1
s
s
2
2
1
s
s
5
5
1
s
s
20
20
1
s
s
50
50
.1
ms
.1
ms
1
.2
ms
.2
ms
1
.5
ms
.5
ms
1
1
ms
1
ms
1
2
ms
2
ms
1
5
ms
5
ms
1