TB 9-4931-503-35
a. Performance Check
(1) Release SWP MAG pushbutton (out).
(2) Press DISPLAY MODE DLY'D SWP pushbutton.
(3) Set TI switches and oscilloscope calibrator output as listed in first row of table 5.
NOTE
If necessary, adjust TI MAIN TRIG LEVEL control for a
stable display.
(4) Adjust TI POSITION control to align 2d time marker with 2d vertical graticule
line on display.
(5) Adjust oscilloscope calibrator EDIT FIELD knob to align 10th marker with 10th
vertical graticule line. If oscilloscope calibrator err display does not indicate within limits
specified in first row of table 5, perform b (1) and (2) below.
(6) Repeat technique of (3) through (5) above for remaining rows in table 5.
Test instrument
Oscilloscope calibrator
err display
MAIN SEC/DIV
DLY'D SEC/DIV
MARKER
indications
switch settings
switch settings
output settings
( %)
4
s
s
S/D
1
.1
.1
4
s
s
S/D
1
.2
.2
3
s
s
S/D
1
.5
.5
3
s
s
S/D
2
1
1
3
s
s
S/D
2
2
2
3
s
s
S/D
5
5
5
3
s
s
S/D
10
10
10
3
s
s
S/D
20
20
20
3
s
s
S/D
50
50
50
.1
ms
.1
ms
.1
mS/D
3
.2
ms
.2
ms
.2
mS/D
3
.5
ms
.5
ms
.5
mS/D
3
1
ms
1
ms
1
mS/D
3
2
ms
2
ms
2
mS/D
3
5
ms
5
ms
5
mS/D
3
10
ms
10
ms
10
mS/D
3
20
ms
20
ms
20
mS/D
3
50
ms
50
ms
50
mS/D
3
.1
s
.1
s
.1
S/D
3
.2
s
.2
s
.2
S/D
4
.5
s
.5
s
.5
S/D
4
