TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM)
(Continued)
11-277
492.
Set ANALOG SIGNALS PITCH ATT HSI HDG
pot. (42) to 500.
493.
Set ANALOG SIGNALS GND SIGNAL switch
(41) to GND.
494.
Set CONTROL PANEL SIMULATION AFCS
switch (12) to OFF.
495.
Set DISCRETE SIGNALS VERT GYRO VALID
switch (16) to 0.
496.
Set METER RANGE switch (7) to 20V.
497.
Set ANALOG SIGNALS AIRSPEED switch (35)
to 3.
498.
Set CIRCUIT SELECT A UNITS switch (18) to 3.
Read AC/DC VOLTMETER (10). Reading shall
be -4.5 to -5.5.
499.
Set CIRCUIT SELECT A UNITS switch (18) to 4.
500.
Set METER RANGE switch (7) to 2V. Read
AC/DC VOLTMETER (10). Reading shall be
+0.91 to +1.09.
501.
Set ANALOG SIGNALS AIRSPEED switch (35)
to 4.
502.
Set METER RANGE switch (7) to 20V.
503.
Set CIRCUIT SELECT A UNITS switch (18) to 3.
Read AC/DC VOLTMETER (10). Reading shall
be +6.5 to +7.5.
504.
Set CIRCUIT SELECT A UNITS switch (18) to 4.
505.
Set METER RANGE switch (7) to 2V. Read
AC/DC VOLTMETER (10). Reading shall be be
+1.00 to +1.30.
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