TM 55-1520-240-23-9
11-272
BENCH TEST AFCS CONTROL PANEL (AVIM)
(Continued)
11-272
54.
Set AFCS SYSTEMS SEL switch (17) to BOTH.
Continuity test lamp (22) and HDG ENGAGED
switch (25) lamp shall be on.
55.
Set AFCS POWER switch (8) to OFF.
CONTINUITY TEST lamp (22) shall be off.
56.
Set CONTINUITY TEST UNITS switch (21) to 4.
Lamp (22) shall be off.
57.
Set AFCS POWER switch (8) to ON.
58.
Set AFCS SYSTEMS SEL switch (17) to 2.
59.
Press HDG ENGAGED switch (25). Switch lamp
and CONTINUITY TEST lamp (22) shall be on.
60.
Turn AFCS SYSTEMS SEL switch (17) clockwise
to OFF. HDG ENGAGED switch (25) lamp and
CONTINUITY TEST lamp (22) shall be off.
61.
Set AFCS SYSTEMS SEL switch (17) to BOTH.
62.
Press HDG ENGAGED switch (25). Switch lamp
shall be on.
63.
Set DISCRETE SIGNALS HDG switch (24) to 0.
HDG ENGAGED switch (25) lamp shall be off.
64.
Set CONTINUITY TEST UNITS switch (21) to 6.
Lamp (22) shall be on.
65.
Turn AFCS SYSTEM SEL switch (17) clockwise
to OFF. HDG ENGAGED switch (25) lamp shall
be off.
END HEADING TEST
11-1042
