747飞机维护手册AMM CHAPTER 34 - NAVIGATION 第34章导航2(93)

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 C.  The horizontal situation indicators, operating in a true heading-oriented INS mode, display airplane true heading, desired track, actual or ground track, drift angle, distance to the next waypoint, track angle error, and ground speed. BCD signals representing distance and ground speed are decoded in separate digital displays. (Fig. 11)
 (1)  True heading is displayed by the azimuth card relative to the lubber line.

 EFFECTIVITY

 AIRPLANES WITH DELCO INS  CONFIG 1  02 A Page 33  Apr 25/8734-41-00
P73 FLIGHT INSTRUMENT
SWITCHING RELAY PANEL R449 R450
R297
R298 R302 R303
B231 R305 R306 R307 R304
R288 R289

R288 FLIGHT DIRECTOR COMPUTER SELECT RELAY NO. 1 (CAPT) R289 FLIGHT DIRECTOR COMPUTER SELECT RELAY NO. 2 (F/O) R297 RADIO/INS RELAY NO. 1 (CAPT) R298 RADIO/INS RELAY NO. 2 (F/O)R302 INS TRANSFER RELAY NO. 1 (CAPT) R303 INS TRANSFER RELAY NO. 2 (F/O)
E1-1
E1-2
E1-3
E1-4
E1-5
E1-6
WIRING AND CONNECTOR DETAIL OMITTED FOR CLARITY
R304 ATTITUDE/COMPASS STABILIZATION TRANSFER RELAY NO. 1 (CAPT)R305 ATTITUDE/COMPASS STABILIZATION TRANSFER RELAY NO. 2 (F/O) R306 COMPASS TRANSFER RELAY NO. 1 (CAPT) R307 COMPASS TRANSFER RELAY NO. 2 (F/O) R449 VOR/ILS TRANSFER-A RELAY NO. 1 (CAPT) R450 VOR/ILS TRANSFER-A RELAY NO. 2 (F/O) B231 INSTRUMENT SWITCHING ACCESSORY BOX
Flight Instrument Switching Relay Panel
 Figure 13 (Sheet 1)

EFFECTIVITY

CONFIG 1
LH 001-010,071-080;
798 Page 34
AF 101-116; SN ALL; IB 405
34-41-00

Sep 25/94
R304 B556 1 R288 R306 R857 2 R302
P73 FLIGHT INSTRUMENT SWITCHING RELAY PANEL

R297 R449
R855
B231
R856
R288 FLIGHT DIRECTOR COMPUTER SELECT
R450  RELAY NO. 1 (CAPT) 
R289 FLIGHT DIRECTOR COMPUTER SELECT
R298  RELAY NO. 2 (F/O)
R858  R297 RADIO/INS RELAY NO. 1 (CAPT) 
2  R298 RADIO/INS RELAY NO. 2 (F/O) 
R303  R302 INS TRANSFER RELAY NO. 1 (CAPT) 
R303 INS TRANSFER RELAY NO. 2 (F/O) 
R307 
R304 ATTITUDE TRANSFER RELAY NO. 1 (CAPT) 
R289  R305 ATTITUDE TRANSFER RELAY NO. 2 (F/O) 
B557  R306 COMPASS TRANSFER RELAY NO. 1 (CAPT) 
1  R307 COMPASS TRANSFER RELAY NO. 2 (F/O) 
R305  R449 VOR/ILS TRANSFER A RELAY NO. 1 (CAPT) 
R450 VOR/ILS TRANSFER A RELAY NO. 2 (F/O) 
R855 VOR/ILS TRANSFER B RELAY NO. 1 (CAPT) 
R856 VOR/ILS TRANSFER B RELAY NO. 2 (F/O) 
R857 COMPASS STABILIZATION TRANSFER
 RELAY NO. 1 (CAPT) 
____NOTE: WIRING AND CONNECTOR DETAIL  R858 COMPASS STABILIZATION TRANSFER
 OMITTED FOR CLARITY.  RELAY NO. 2 (F/O) 
B231 INSTRUMENT SWITCHING ACCESSORY BOX 
1  LH 011-030,051-070,082-099 
AZ 221-299  B556 VOR/ILS ISOLATION AMPLIFIERS 
2  MD 501-599 LH 081; AF 121,122,151-199  B557 VOR/ILS ISOLATION AMPLIFIERS 
GN 601-699 
VM 751-799 

Flight Instrument Switching Relay Panel
Figure 13 (Sheet 2)

EFFECTIVITY
LH 011-030,051-070,081-099;

AF 121,122,151-199; MD 501-599; CONFIG 1 GN 601-699; VM 751-799;799 Page 35
34-41-00AZ 221-299 Sep 25/94
 823441
R304
R288 B556 R306
R302 B112 R297
P73 FLIGHT INSTRUMENT
SWITCHING RELAY PANEL
R449

R299 R855 B231
R856 R300
R288 FLIGHT DIRECTOR COMPUTER SELECTR450
RELAY NO. 1 (CAPT)
R289 FLIGHT DIRECTOR COMPUTER SELECT RELAY NO. 2 (F/O)

R298 B113
R297 RADIO/INS RELAY NO. 1 (CAPT)
R303

R298 RADIO/INS RELAY NO. 2 (F/O)

R299 DEVIATION TRANSFER RELAY (CAPT) R307 R300 DEVIATION TRANSFER RELAY (F/O)
R302 INS TRANSFER RELAY NO. 1 (CAPT)B557 R289
R303 INS TRANSFER RELAY NO. 2 (F/O) R305
R304 ATTITUDE TRANSFER RELAY NO. 1 (CAPT) R305 ATTITUDE TRANSFER RELAY NO. 2 (F/O)R306 COMPASS TRANSFER RELAY NO. 1 (CAPT) R307 COMPASS TRANSFER RELAY NO. 2 (F/O) R449 VOR/ILS TRANSFER A RELAY NO. 1 (CAPT) R450 VOR/ILS TRANSFER A RELAY NO. 2 (F/O) R855 VOR/ILS TRANSFER B RELAY NO. 1 (CAPT) R856 VOR/ILS TRANSFER B RELAY NO. 2 (F/O) B112 CAPT'S VOR/ILS ISOLATION AMPLIFIER-2 B113 F/O'S VOR/ILS ISOLATION AMPLIFIER-2 B231 INSTRUMENT SWITCHING ACCESSORY BOX

NOTE: WIRING AND CONNECTOR DETAILB556 CAPT'S VOR/ILS ISOLATION AMPLIFIER-1
OMITTED FOR CLARITY. B557 F/O'S VOR/ILS ISOLATION AMPLIFIER-1
Flight Instrument Switching Relay Panel
Figure 13 (Sheet 3)

824046
EFFECTIVITY

CONFIG 1 AT 701-750 799 Page 36
34-41-00

Oct 25/80
 (2)  
Track angle error is displayed by the angle between the course arrow and the drift angle bug.
　
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