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Page Title:
Sectionalization Test Using AN/UPM-137A-cont. |
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 indicates ACCEPT and will indicate
SOURCE EXT: 1090
REJECT when test set CODE switches are
(interrogator signal
changed to 7776.
simulator
d. None.
XMRT FREQ: XTAL
as necessary for a clear display and to
perform required measurements.
(SIS generator
SIF 1 CODER Code
switches (A, B, C, D):
7777
SIF 1 CODER
FUNCTION SEL: N
SIF 1 CODER WIDTH
ADJ approx. center
SIF 1 CODER SUBST
PULSE SEL: OFF
MIXED VIDEO
MIXED VID SEL SIF
1
PRF RANGE MULT.
EXT TRIGGERS DE-
LAY TRIG ( SEC)
DLY RANGE MULT X4
TRIGGERS DELAY
TRIG ( SEC)
MULT 1-11:6.0
(oscilloscope
VERTICAL CHAN
A-VOLT DIV: 5
VERTICAL CHAN
B-AC/DC: DC
VERTICAL CHAN B-
75 IN/OUT: OUT
VERTICAL CHAN
B-VOLT DIV: 5
CALIBRATORS-XTAL
MARK ( SEC): OFF
CALIBRATORS
LEVEL Midposition
a.
Connect
AN/UPM-137A
Same as step 7 . . . . . . . . .
Same as step 7 . . . . . . . . .
a. Refer to figure
VERTICAL CHAN A-VIDEO IN jack to
following test points in order given. Ob-
serve whether pulses are normal.
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