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G1000 composite mode


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  • 1 year later...
On 3/9/2019 at 5:02 PM, RXPAHC1 said:

G 1000 composite mode on checklist I thought it meant display back up mode,any one can shed light on what it means 


Normally the PFD can be displayed in a composite format for emergency use by pressing the DISPLAY BACKUP button on the audio panel. In the composite mode, the crew alerting function remains operative, but no map functions are available. I haven't tried this in the TBM900, but it should work. 

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I couldn't resist and had to see if it worked in the TBM900. It looks like all you need to do is lift the crash bar (but do not turn on the battery yet) and it will spark up the PFD and alternate attitude displays. These two things are connected directly to the battery bus so they come on when you lift the crash bar - they are also connected directly to the battery bus because they will be the last to survive if all other systems fail while in flight. 

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