B747-200/300 NAV-W/R

W/R

1. FREQ IS 9375 ±40 MHZ
2. 2 W/R UNIT IS IN FWD EQUIP CENTER
3. 1 CONT PNL IN L/H
4. W/R MODES : NORM(PENSIL BEAM)
STBY(WARM UP THE MAGNETRON)
CONT(HIGHLIGHT THE CLOUDS AS BLACK IN WHITE)
TEST(SENT TO DUMMY LOAD , PATTERN SHOWN ON PPI #1)
MAP(TERRAIN SHOW BY VERTICAL RADIATION OF
GND MAP SPOILER (AND STC INOP))
5. ANT RANG MOVE : ±43 ROLL , ±25 PITCH , ±90 AZIMUTH
6. HOUR METER ON TR START IN ALL MODE (EXCEPT OFF POS)
7. A GAURDED SWITCH ON TR USED TO DISABLE MAGNETRON
8. PITCH SIGNAL GOES TO TR BUT ROLL DIRECTLY GOESA TO ANT