TM 55-1520-240-23-9
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BENCH TEST AFCS CONTROL PANEL (AVIM)
(Continued)
11-272
39.
Set AFCS SYSTEMS SEL switch (17) to BOTH.
40.
Press BARO ALT ENGAGED switch (23). Switch
lamp shall be on. CONTINUITY TEST lamp (22)
shall be on.
41.
Press RAD ALT ENGAGED switch (19). Switch
lamp shall be on and BARO ALT ENGAGED
switch (23) lamp and CONTINUITY TEST lamp
(22) shall be off.
42.
Set CONTINUITY TEST UNITS switch (21) to 2.
Lamp (22) shall be on.
43.
Set AFCS SYSTEM SEL switch (17) to 2.
44.
Press BARO ALT ENGAGED switch (23). Switch
(23) shall light and CONTINUITY TEST lamp
(22) shall be off. Release switch. Lamp (22)
shall be off.
45.
Turn AFCS SYSTEMS SEL switch (17) clockwise
to OFF. BARO ALT ENGAGED switch (23) lamp
shall be off.
END BAROMETRIC ALTITUDE TEST
11-1040