TB 9-6625-2274-40
13. Markers Mode
a. Performance Check
f
(1) Connect TI TRIGGER OUTPUT to frequency counter A input using 50
eedthrough termination.
(2) Position controls as listed in (a) through (c) below:
(a) Press TIMING MODE MARKERS pushbutton on.
(b) Adjust UNITS/DIV dial to display 5 s/D.
(c) Press TRIGGER OUTPUT ON pushbutton on.
(3) Frequency counter will indicate between 4.99975 to 5.00025 s.
(4) Adjust UNITS/DIV dial to display 2 s/D.
Frequency counter will indicate
between 1.9999 and 2.0001 s.
(5) Repeat technique of (4) above for TI settings listed in table 5 below. Frequency
counter will indicate within limits specified.
Table 5. Markers Mode 1 s/D to 0.5 ns/D
Test instrument
Frequency counter
UNITS/DIV dial
indications
display indications
Min
Max
s/D1
1
999.95
ms
1000.05
ms
0.5
s/D
499.975
ms
500.025
ms
0.2
s/D
199.99
ms
200.01
ms
0.1
s/D
99.995
ms
100.005
ms
50
ms/D
49.9975
ms
50.0025
ms
20
ms/D
19.999
ms
20.001
ms
10
ms/D
9.9995
ms
10.0005
ms
5
ms/D
4.99975 ms
5.00025
ms
2
ms/D
1.9999
ms
2.0001
ms
s
1
ms/D
1.00005
ms
999.95
s
s
0.5
ms/D
499.975
500.025
s
s
0.2
ms/D
199.99
200.01
s
s
0.1
ms/D
99.995
100.005
sD
s
s
50
49.9975
50.0025
sD
s
s
20
19.999
20.001
sD
s
s
10
9.99949
10.00051
sD
s
s
5
4.99974
5.00026
sD
s
s
2
1.99989
2.00011
sD
s
s
1
.99994
1.00006
sD
499.965
ns
500.035
ns
0.5
sD
199.98
ns
200.02
ns
0.2
sD
99.985
ns
100.015
ns
0.1
2
50
ns/D
19.995
MHz
20.005
MHz
20
ns/D
49.9725
MHz
50.0275
MHz
10
ns/D
99.895
MHz
100.105
MHz
5
ns/D
199.59
MHz
200.41
MHz
