TM 55-1520-240-23-9
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BENCH TEST AFCS CONTROL PANEL (AVIM)
(Continued)
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26.
Press RAD ALT ENGAGED switch (19). Switch
lamp shall be on. CONTINUITY TEST lamp (22)
shall be on.
27.
Press BARO ALT ENGAGED switch (23). Switch
lamp shall be on and RAD ALT ENGAGED
switch lamp (19) and CONTINUITY TEST lamp
(22) shall be off.
28.
Set CONTINUITY TEST UNITS switch (21) to 3.
Lamp (22) shall be on.
29.
Press RAD ALT ENGAGED switch (19). Switch
lamp shall be on. CONTINUITY TEST lamp (22)
shall be off.
30.
Set AFCS SYSTEM SEL switch (17) to 2. RAD
ALT ENGAGED switch (19) lamp shall be on and
CONTINUITY TEST lamp (22) shall be off.
31.
Turn AFCS SYSTEMS SEL switch (17) clockwise
to OFF. RAD ALT ENGAGED switch (19) lamp
shall be off.
END RADAR ALTITUDE TEST
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