TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM)
(Continued)
11-277
556.
Set CIRCUIT SELECT A/B SELECT switch (9)
to B.
557.
Set CIRCUIT SELECT B UNITS switch (11) to 8.
Read AC/DC VOLTMETER (10). Reading shall
be +20.0 to +28.0.
558.
Set CIRCUIT SELECT TENS switch (8) to 40.
559.
Set CIRCUIT SELECT A/B SELECT switch (9)
to A.
560.
Set CIRCUIT SELECT A UNITS switch (18) to 1.
561.
Set METER RANGE switch (7) to 20V.
562.
Set CONTROL PANEL SIMULATION AECS
switch (12) momentarily to OFF. Return AFCS
switch (12) to SELECT. DISCRETE MONITORS
DASH DRIVE lamp (17) shall be flashing and
DASH ANN lamp (59) shall be on.
563.
Adjust ANALOG SIGNALS PITCH ATT HSI HDG
pot. (42) toward 500 until AC/DC VOLTMETER
(10) reads +6.0. DISCRETE MONITORS DASH
DRIVE lamp (17) and DASH ANN lamp (59) shall
be off.
564.
Set METER RANGE switch (7) to 200V.
565.
Set CIRCUIT SELECT TENS switch (8) to 00.
566.
Set CIRCUIT SELECT A/B SELECT switch (9)
to B.
567.
Set CIRCUIT SELECT B UNITS switch (11) to 7.
Read AC/DC VOLTMETER (10). Reading shall
be +20.0 to +28.0.
11-1119