The scratchpad is also where the FMC places messages. As an example, you can use the keyboard to enter the name of a waypoint “ YOW” and enter it into the LEGS page to change aircraft navigation. From here they can be either cleared or line selected up into one of the lines of the CDU display above. Any text entered in via the keyboard or line selected down from the higher lines of the CDU end up in the scratchpad. The scratchpad itself is the incongruous name given to the bottom line of the CDU. They are not (directly) a part of Boeing’s design intent for the alerting system of the aircraft – that said, some of them do come with an EICAS alert FMC MESSAGE – many do not though. It is a one line display that the FMC uses in order to pass a message onto the crew. We areseeing this in the sim and in the aircraft – occaisionally to the detriment of the operation of the aircraft.įMC (Flight Management Computer) scratchpad messages are generated at the bottom of the screen built into the FMC CDU (Computer Display Unit).
INTERACT SCRATCHPAD SIMULATOR
Most particularly around the habit that some crew develop – usually during transition simulator training when many spurious messages are generated and often cleared without real understanding of their meaning). NotebookDocument is returned from interactive.There has been some discussion recently around FMC scratchpad messages, their role in flight deck alerting, and an appropriate crew response. Interactive window needs to be passed a controller ID at creation to pick up the right controller (alternative is lectKernel or similar after the window is created, but we’ve discussed this and decided not to do it).
INTERACT SCRATCHPAD CODE
INTERACT SCRATCHPAD FULL
Should the scratchpad contain just the one cell (fully matching behavior) or be a full interactive window?.Should users be able to start multiple interactive consoles? Original prototype has scratchpad singleton.Should the interactive window immediately receive focus when created?.Context keys to hide interactive window specific functionality.Sys info cell to indicate the notebook association.
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