TM 55-1520-240-23-9
11-280
AFCS INTERFACE TEST
(Continued)
11-280
TEST 30
RADAR ALTIMETER SELECT TEST (NO. 1)
186.
Set AECS SYSTEM SEL switch (1) to 1 or 2.
(System under test.)
187.
Set METER SOURCE switch (3) to DISCRETE
MONITOR.
188.
Set DISCRETE SIGNAL MONITOR switch (34)
to SEL 1.
189.
Set SIGNAL SEL 1 switch (54) to RADAR ALT
ENGAGED. STATUS B light (39) shall come on.
Read digital display (6). Reading shall be -0.5
to +0.5 VDC.
190.
Press RAD ALT ENGAGED switch (65). STATUS
A light (37) shall come on. Read digital display
(6). Reading shall be +11.0 to +13.0 VDC.
END RADAR ALTIMETER SELECT TEST (NO. 1)
11-1203
