TB 9-4920-456-24
(b) Select menu 1ST REPLY (highlighted) and press pushbuttons as listed 1
through 6 below:
REPLY SIGNAL: VAR EMERG.
1
2
M1: OFF.
M3/A: 0000.
3
M3/A: ON.
4
F2: ON.
5
SIF2: OFF.
6
(15) Press TI EMER on TRANSPONDER CONTROL keyboard. Top and bottom
displays will indicate SIF CODE 0000 E.
(16) Press TI NORM key on TRANSPONDER CONTROL keyboard. E will
disappear from top and bottom displays and TRANSPONDER CONTROL I/P indicator
will light.
(17) On radar test set, press pushbutton REPLY SIGNAL: SIF + X. TI top and
bottom displays will indicate SIF CODE 0000X and TRANSPONDER CONTROL I/P
indicator light will go out.
(18) On radar test set, press pushbuttons as indicated in (a) through (f) below:
(a) Select menu CHALLENGES (highlighted) and press pushbuttons as listed
in 1 through 3 below:
M2: ON.
1
2
M3/A: OFF.
3
P3: OFF.
(b) Select menu 1ST REPLY (highlighted) and set pushbutton as listed in 1
through 3 below:
REPLY SIGNAL: OFF.
1
2
M3/A: OFF.
3
F2: OFF.
(c) Select menu TIMING, VIDEO LEVELS (highlighted), and press pushbutton
P3 DELAY: 38 S.
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