TM 55-1520-240-23-9
11-280
AFCS INTERFACE TEST
(Continued)
11-280
TEST 33
AFCS SELECT SIGNAL TEST (BOTH)
201.
Set AFCS SYSTEM SEL switch (1) to 1 or 2.
(System under test.)
202.
Set METER SOURCE switch (3) to DISCRETE
MON.
203.
Set DISCRETE SIGNAL MONITOR switch (34)
to SEL 1.
204.
Set SIGNAL SEL 1 switch (54) to AFCS
ENGAGE ON. STATUS A light (37) shall come
on. Read digital display (6). Reading shall be
+26.0 to +30.0.
205.
Set AFCS SYSTEM SEL switch (1) to OFF.
STATUS B light (39) shall come on.
11-1206
