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Page Title:
Sectionalization Test Using AN/TPM-25A-cont. |
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 (2) A12TP3 (readout) . . . . . . . . . . . . .
10
(2) 7 to 12 volts dc.
(Cont)
(3) A12TP1 (reply evaluator accept
output l . . . . . . . . . . . . . . . . . . .
(3) 7 to 12 volts dc.
c. Indications should be
c. Repeat a (2) through (10) above
with transponder test set MODE
the same as in a
switch at C, 3/A, TEST, and 1,
above.
respectively.
NOTE
If all conditions were normal in a
above, and an abnormal con-
dition in c above is noted, check
the MODE switch for continuity.
d. None.
d. Set the AN/TPM-25A and test set
SIF REPLY CODE switches to
7700.
e. Set the AN/TPM-25A REPLIES
MODULATION SEL switch to IP
8-36 (A9TP4, I P.
M2/3 and the test set FUNCTION
switch to IP. Connect to oscilloscope
probe to test point A9TP4. Observe
whether the pulse is normal.
f. Set the AN/TPM-25A REPLIES
8-36. (A9TP4,
MODULATION SEL switch and
MODE 2-IP).
test set FUNCTION switch to
EMER. Observe whether the pulse is
normal.
g. Set the test set FUNCTION switch
to UP and MODE switch to 2. Ob-
(A9TP4,
MODE 2-I/P).
serve whether the pulse is normal.
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