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PMDG B737ngx - SINGLE FMC OPERATION


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7 replies to this topic

#1 SungJeu

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Posted 20 September 2011 - 09:03 AM

Hello, I got PMDG B737NGX and wanted to fly with it.So I selected ngx and started a flight.FSX was paused as the Tutorial shows. So I waited until the process completed about 20 seconds. When the process ended, I found a FMC of captain not working. The display was black and no button worked.I looked at another FMC. "SINGLE FMC OPERATION" was displayed at the bottom line.Then, I loaded every panel states (except C&D), but there were no changes.I had the FS reset and watched the FMC during the Set up process. Then I found both of the FMS were working. But when the process ended, the display of FMC turned black... No changes were found.Another thing I found was that noisy alert started ringing continuously after the startup process completed.Please help me...Information of My computer:OS : Windows Vista (SP2)Version of Flight Simulator : Microsoft Flight Simulator X SP2

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#2 GraemeBr

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Posted 20 September 2011 - 09:11 AM

Check the standby power selector. Make sure it is switched to auto (or simply close the guard cover).If I recall correctly in the cold and dark state this switch is set to 'bat' which causes the Single FMC Operation message.The alarm you are hearing will also silence when you set this switch correctly.Graeme
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#3 trisager

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Posted 20 September 2011 - 09:15 AM

It sounds as if you are loading the NGX with the cold & dark startup state. If you press the MENU key on the CDU keypad and select "PMDG SETUP", do you have anything under the STARTUP STATE line? You should have a line of dashes "-----" there. If you have anything else, press DEL on the CDU keypad and then press the key next to "STARTUP STATE" and reload the airplane.
Tom Risager

NGX tutorial: http://library.avsim...ftp&DLID=162360
SIDs & STARs Worked Examples: LOWI-UUDD, KSEA-KLAX, EKCH-ENGM, YSCB-YPAD

#4 SungJeu

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Posted 20 September 2011 - 09:34 AM

I checked the standby power selector. It was switched to auto. But a FMC of captain doesn't work. Then I loaded cold and dark state. Captain's FMC was working, but Single FMS Operation message wasn't displayed. I live in Japan, so I am to sleep tonight... I will try again tomorrow.trisagerFMS showed "-----" there.

#5 Paul Deemer

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Posted 20 September 2011 - 03:05 PM

Try reading the Manuals? Trust me it will save you a lot of time and headaches in the long run. Everything you need to know to get up and flying quickly is in the NGX Introduction and Tutorial 1.

Paul Deemer


#6 WotanUK

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Posted 20 September 2011 - 04:20 PM

I checked the standby power selector. It was switched to auto. But a FMC of captain doesn't work. Then I loaded cold and dark state. Captain's FMC was working, but Single FMS Operation message wasn't displayed. I live in Japan, so I am to sleep tonight... I will try again tomorrow. trisagerFMS showed "-----" there.

Had the same thing myself, the PMDG and FS menus on the CDU work but the FMC button doesn't. The solution was given to you above, look at the overhead panel, there are three protected switches, One is emergency lighting, one is aux power and one is battery, both aux and battery need to be on, dual mode should then be enabled. After which you can start the alignment process by putting the IRS Nav details in.

Ian R Tyldesley


#7 SungJeu

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Posted 21 September 2011 - 02:07 AM

Today, I uninstalled NGX and re-installed it. The good news is that it worked properly! Thank you for your cooperation.

#8 Gabster

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Posted 21 October 2011 - 02:11 PM

Today I got the same problem and I cannot remember I changed anything. I set every thing up the right way I think. It says single FMC Operation and the left IRS stays at DC and doesnt go to align. Thats followed by an alert: peep peep peep...No clue how to fix that:-/
System: i7-2600K, 4x 3.40GHz | ASUS P8P67 Deluxe B3 | 8GB Kingston HyperX T1 DDR3-1600 CL9 | HD 6950 2GB | 750W BeQuiet! Dark Power Pro P9 - 80Plus GOLD | 2x SSD SATA 3
FSX: SP1+Acceleration+REX