(b)  
AIRPLANES WITH DUAL FMC;
 P6-1 panel
 1) FMCS CMPTR No. 2
 2) FMCS XFER

 S 492-081
 (2)  
Connect the PDL interface cable to the FMCS data transfer unit receptacle on the top of the P18-1 panel.

 S 862-082

 (3)  
Supply electrical power (AMM 24-22-00/201).

 S 862-083

 (4)  
Make sure the BAT switch on the Pilot's Forward Overhead Panel is in the ON position.

 S 862-084

 (5)  
Make sure the STANDBY POWER switch on the Pilot's Forward Overhead Panel is in the AUTO position.

 S 862-085

 (6)  
Make sure the LANDING GEAR AIR/GND RELAY & LIGHTS circuit breaker on the P6 panel is closed.

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737-300/400/500MAINTENANCE MANUAL
 S 862-205
 (7) AIRPLANES WITH DUAL FMC;
 Set the FMC Source Select Switch to the FMC that you will load.
 NOTE: The "BOTH ON L" and the NORMAL positions load the left FMC____
 and the "BOTH ON R" position loads the right FMC.
 S 862-086
 (8) Close these circuit breakers:
 (a) P18 Panel
 1) FMC (or FMCS CMPTR)
 (b) AIRPALNES WITH DUAL FMC;
 P6-1 panel
 1) FMCS CMPTR No. 2
 2) FMCS XFER
 S 012-087
 (9) Open the diskette drive access door.
 ú  F.  FMC Software Installation
 ú
 ú  S 422-177
 ú  (1) Do these steps to install the FMC software.
 (a) Put the PDL power switch in the ON position.
 (b) Put the diskette in the PDL diskette drive.
 ú
 ú  S 472-226
 ú  (2) The PDL automatically loads the software . The usual sequence of
 ú  the procedure is as follows:
 (a) The RDY light will come on approximately 3 seconds after you
 install the diskette into the PDL.
 (b) The PROG light will come on approximately 3 seconds after the
 RDY light comes on.
 ú  (c) While the PDL loads the software into the FMC, make sure that
 ú  the RDY and PROG lights stay on.
 (d) If the RDY light goes off and the PROG and the CHNG lights come
 on, follow these steps:
 NOTE: This shows that more than one diskette is necessary for____
 the PDL to completely load the software.
 1) Push the EJECT button and remove the diskette.
 2) Make sure the CHNG light goes off and the PROG light is on.
 3) Install the second diskette into the PDL.
 4) Make sure that the RDY and the PROG lights come on.
 (e) When the data transmit is completed, make sure the RDY and PROG
 lights go off.
 (f) Make sure that the COMP light comes on.

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 S 472-091
 (3) Push the EJECT button to remove the diskette.
 S 862-092
 (4) Set the PDL selector switch to the OFF position.
 ú  G.  FMC Software Installation Failure Indications
 S 712-094
 (1) If a failure occurs, the CDU display will show LOAD FAILURE and DATA
 LOAD INOP. The XFER, R/W, or HRDW lights on the PDL also come on.
 S 712-210
 (2) AIRPLANES WITH FMC SOFTWARE UPDATES 1-6;
 The CDU display will also show these failure indications:
 (a) CHECK DBL OR INTERFACE - This shows the most possible cause of
 the failure.
 (b) NDB EXCEEDS FMC MEMORY - This shows that the navigation data
 base on the media is too large for the FMC data base memory.
　
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