TM 1-1520-240-MTF4-5042. RAMP CONTROL VALVE handle — DN. Checkthat ramp does not move.43. RAMP CONTROL VALVE handle — STOP.W. RADAR ALTIMETER CHECK.1-46.1. Radar Altimeter —Check.a. Dial pointers between -5 and 5 feet.b. Digital display indicates 0-3 feet.c. Set LO Set Index at 100 feet and HI SetIndex 800 feet.d. LO caution light is one. HI caution light is off.f. OFF flags not in view.O g. Pilot’s Radar Altimeter Only — Periodicaudio warning “ALTITUDE LOW, TOOLOW” heard in headsets (pilot, copilot, flightengineer response).h. PRESS-TO-TEST, hold and note.(1) OFF flags not in view.(2) Dial points 900-1,100 feet.(3) Digital points 900-1,100 feet.(4) LO caution light off.(5) HI caution light on.O (6) Periodic audio warning “ALTITUDEHIGH, CHECK ALTITUDE” heard inheadsets (pilot, copilot, flight engineerresponse)(7) Release PRESS-TO-TEST.O i. Momentarily depress PRESS-TO-TEST(pilot’s)
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