TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM)
(Continued)
11-277
804.
Set CONTROL PANEL SIMULATION BARO
switch (22) to ENGAGE.
805.
Slowly turn DECREASE knob (89) clockwise
until ALT indicator (98) reads 1098 feet. Turn
knob fully clockwise.
806.
Set CIRCUIT SELECT A UNITS switch (18) to 0.
807.
Set METER RANGE switch (7) to 20V. Read
AC/DC VOLTMETER (10). Reading shall be
-2.78 to -5.16.
808.
Set CIRCUIT SELECT A UNITS switch (18) to 4.
809.
Set METER switch (6) to AC. Read AC/DC
VOLTMETER (10). Reading shall be +2.55 to
+4.75.
810.
Set METER switch (6) to DC.
811.
Set CIRCUIT SELECT A UNITS switch (18) to 3.
812.
Set CONTROL PANEL SIMULATION BARO
switch (22) to DISENG.
813.
Slowly turn INCREASE knob (88)
counterclockwise until ALT indicator (98)
reads 10,000 feet. Turn knob fully clockwise.
Read AC/DC VOLTMETER (10). Reading shall
be +1.00 to +1.35.
814.
Slowly turn INCREASE knob (88) counter
clockwise until ALT indicator (98) reads 20,000
feet.
815.
Turn DECREASE knob (89) counterclockwise to
maintain 20,000 reading on ALT indicator (98).
Read AC/DC VOLTMETER (10). Reading shall
be +2.00 to +2.71.
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