TB 9-6625-1958-24
Table 3. Marker Timing - Continued
Test
instrument
Frequency counter indications
MARKER
(SEC)
Standard
Option 1
switch
settings
Min
Max
Min
Max
s
s
s
s
.1 m
99.999
100.001
99.99995
100.00005
s
s
s
s
.2
m
199.998
200.002
199.9999
200.0001
s
s
s
s
.5
m
499.995
500.005
499.99975
500.00025
1
m
0.99999
ms
1.00001 ms
0.9999995 ms
1.0000005 ms
2
m
1.99992
ms
2.00002 ms
1.999999
ms
2.000001 ms
5
m
4.99995
ms
5.00005 ms
4.9999975 ms
5.0000025 ms
10
m
9.9999
ms
10.0001
ms
9.999995
ms
10.000005 ms
20
m
19.9998
ms
20.0002
ms
19.99999
ms
20.00001
ms
50
m
49.9995
ms
50.0005
ms
49.999975
ms
50.000025 ms
.1
99.999
ms
100.001
ms
99.99995
ms
100.00005
ms
.2
199.998
ms
200.002
ms
199.9999
ms
200.0001
ms
.5
499.995
ms
500.005
ms
499.99975
ms
500.00025
ms
1
0.99999
s
1.00001 s
0.9999995 s
1.0000005 s
2
1.99998
s
2.00002 s
1.999999
s
2.000001 s
5
4.99995
s
5.00005 s
4.9999975 s
5.0000025 s
n1
521
4.99995
ns
5.00005 ns
4.9999975 ns
5.0000025 ns
n2
521
499.995
MHz
500.005
MHz
499.999750
MHz
500.000250 MHz
n3
521
999.990
MHz
1000.010
MHz
999.9995
MHz
1000.0005
MHz
Press 5nS pushbutton.
1
Press 2nS pushbutton.
2
3Press 1nS pushbutton and move connection to 1 nS ONLY.
b. Adjustments. Adjust TIME REF SET (fig. 1) until frequency counter indicates
1.00000 s, or if required, for best intolerance condition on all ranges (R).
Figure 1. Main circuit board - component locations.
5
