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-   -   XFR PFD ND A320 (https://www.pprune.org/tech-log/593571-xfr-pfd-nd-a320.html)

simua320 16th April 2017 15:00
XFR PFD ND A320
 
Hello everybody,

just a small question, i know if PFD off (PFD black) it's transfered to ND. If i push XFR ND/PFD on 301VU with ND DU display PFD yet or ND?

safelife 16th April 2017 17:21
You mean whether they swap with both screens on?
Yes they do...

Escape Path 16th April 2017 18:41
I think he means if PFD screen is off (PFD showing on ND screen) pushing XFR will show the ND, hence no PFD on either screen.

FCOM DSC-31-50

PFD BRIGHTNESS CONTROL KNOB
Rotating this knob all the way counterclockwise switches off the PFD. In this case, the PFD image is automatically displayed on the NDU, but the pilot may recover the ND by means of the PFD-ND XFR pushbutton
So yes, they will still transfer if PFD is off

simua320 17th April 2017 06:26
thk you escape path give response

simua320 23rd April 2017 18:57
response
 
hi,

i find in amm manual, in fact 28VDC alimentation in PFD/ND... (other that 115VAC alimentation of screen), permit to switching the relay in display unit for pass normal and alternate input from dmc (in DSDL buses)

sorry for my so bad english


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