TB 9-6625-2163
(h) LEVEL ---------- 0.50V.
(i) SLOPE ----------- Positive.
(4) Set RTS INTERROGATOR MENUS as follows:
(a) Menu 2 M4 to WORD C, all other selections to OFF.
(b) Menu 3 REPLY SIGNAL to MODE 4-3, M1 to MC to OFF, RANGE
DELAY to 3 s, CHAL SOURCE to INTERNAL, F2 to OFF, and SIF2 to OFF.
(c) Menu 8 GATING: to INTERNAL, EXTERNAL: to PASS, INT GATE:
#PASSED: to 64, and #INHIBITED: to 0.
(d) Menu 10 MAIN FREQ to 1090 MHZ.
(e) Menu 11 MODULATION and 1st REPLY to ON; all other selections to
OFF.
(f) Menu 14 PRF to 267 PPS, O TRIGGER to INTERNAL, KIT/KIR
SELECT to KIR, SOURCE to INT, and KIR TRIGGER to INT.
(g) Menu 16 SOURCE to LOW PWR and RF to 6.
(5) Perform a power measurement on RTS. When measurement is obtained, press
the up or down arrow on the keypad to stop measurement.
(6) Press PUSH TO TEST switch and turn to LOCK position. TI ACCEPT lamp
will glow.
(7) Connect RTS oscilloscope CH 1 probe (X10) to A1TP3 (fig. 2). Press AUTO-
SCALE pushbutton on
oscilloscope and
adjust TIME/DIV control to
100 ns. If width of
each pulse is not between 0.29 and 0.31 s, perform b(2) below.
(8) Connect RTS oscilloscope CH 2 probe (X10) to A1TP4 (fig. 2). Enable CH 2 and
adjust amplitude as necessary. If width of pulse on CH2 is not between 0.65 and 0.75 s,
perform b(1) below.
(9) Disconnect oscilloscope CH 2 probe from A1TP4 (fig. 2) and connect to A1TP1
(fig. 2). If width of
each pulse on
CH 2 is not
between 0.29 and
0.31 s,
perform b(3) below.
(10) Observe spacing of first pulse of CH 1 and CH 2. If spacing between leading
edge of first pulse on CH 1 and leading edge of first pulse on CH 2 is not between 3.59 and
3.61 s, perform b(4) below.
width of each pulse on CH 2 is not between 0.29 and 0.31 s, perform b(5) below.
(12) Observe spacing of first pulse of CH 1 and CH 2. If spacing between leading
edge of first pulse on CH 1 and leading edge of first pulse on CH 2 is not between 1.79 and
1.81 s, perform b(6) below.
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