xplana Posted May 28, 2016 Report Share Posted May 28, 2016 hi guys, not sure if this was reported yet, but this switch does not operate/work in cold and dark. (no no, i do net expect the autothrottle to come alive in cold and dark, but the switch only It seemes there is a bug? Quote Link to comment Share on other sites More sharing options...
JRBarrett Posted May 29, 2016 Report Share Posted May 29, 2016 I can't say for sure regarding the 733, but in most aircraft, the auto throttle switch is electrically latched to the "on" (or "arm") position, and cannot be engaged when the aircraft is unpowered. This would appear to be normal behavior. Sent from my iPad using Tapatalk Quote Link to comment Share on other sites More sharing options...
Litjan Posted May 29, 2016 Report Share Posted May 29, 2016 30 minutes ago, JRBarrett said: I can't say for sure regarding the 733, but in most aircraft, the auto throttle switch is electrically latched to the "on" (or "arm") position, and cannot be engaged when the aircraft is unpowered. This would appear to be normal behavior. Sent from my iPad using Tapatalk Correct Quote Link to comment Share on other sites More sharing options...
xplana Posted May 29, 2016 Author Report Share Posted May 29, 2016 Wow. Thanks Gesendet von meinem D5803 mit Tapatalk Quote Link to comment Share on other sites More sharing options...
Rodeo Posted May 29, 2016 Report Share Posted May 29, 2016 Oh that makes sense. I noticed that when disconnecting A/T using the button on the thrust levers (or the associated custom command), the A/T switch on the MCP also goes to the off position, which seemed odd to me, but maybe the thrust lever button cut the power to the MCP switch? Quote Link to comment Share on other sites More sharing options...
Litjan Posted May 30, 2016 Report Share Posted May 30, 2016 That is right - the switch is held up magnetically in the up position when the parameters are met (power to the autothrottle computer, etc.) - when you push the disconnect button, this power is removed, the magnetic solenoid releases the switch and it is springloading to off. It will also disconnect 2s after touchdown, for example. Jan Quote Link to comment Share on other sites More sharing options...
xplana Posted May 30, 2016 Author Report Share Posted May 30, 2016 ..now i know, why they used to ask us (passengers) to turn off all the electronic/electric devices ...? :-) Quote Link to comment Share on other sites More sharing options...
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